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sqlite/autosetup/sqlite-config.tcl
stephan ae24e13bc7 Add 'dist' and missing 'install' pieces to the autoconf bundle. 
FossilOrigin-Name: 16fa20413e3f3f0b6ea5d97022945843d1f785ac0142836f2a3651fd1917385f
2025-01-20 19:57:32 +00:00

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# This file holds functions for autosetup which are specific to the
# sqlite build tree. They are in this file, instead of auto.def, so
# that they can be reused in the TEA sub-tree. This file requires
# functions from proj.tcl.
use cc cc-db cc-shared cc-lib pkg-config proj
#
# Object for communicating config-time state across various
# auto.def-related pieces.
#
array set sqliteConfig [proj-strip-hash-comments {
#
# Gets set to 1 when using jimsh for code generation. May affect
# later decisions.
use-jim-for-codegen 0
#
# Pass msg-debug=1 to configure to enable obnoxiously loud output
# from [msg-debug].
msg-debug-enabled 0
#
# Output file for --dump-defines. Intended only for build debugging
# and not part of the public build interface.
dump-defines-txt ./config.defines.txt
#
# Output file for --dump-defines-json. This is the autosetup
# counterpart of the historical "DEFS" var which was generated by
# the autotools in the pre-processed autotools builds (but not in
# the canonical tree). Generation of this file is disabled (via an
# empty file name) until/unless someone voices a specific interest
# in it. The original motivating use case is handled fine by
# sqlite_cfg.h.
dump-defines-json ""
}]
#
# Set to 1 when cross-compiling This value may be changed by certain
# build options, so it's important that config code which checks for
# cross-compilation uses this var instead of
# [proj-is-cross-compiling].
#
set sqliteConfig(is-cross-compiling) [proj-is-cross-compiling]
########################################################################
# Runs some common initialization which must happen immediately after
# autosetup's [options] function is called.
proc sqlite-post-options-init {} {
#
# Carry values from hidden --flag aliases over to their canonical
# flag forms. This list must include only options which are common
# to both the top-level auto.def and autoconf/auto.def.
#
proj-xfer-options-aliases {
with-readline-inc => with-readline-cflags
with-readline-lib => with-readline-ldflags
with-debug => debug
}
sqlite-autoreconfig
proj-file-extensions
if {".exe" eq [get-define TARGET_EXEEXT]} {
define SQLITE_OS_UNIX 0
define SQLITE_OS_WIN 1
} else {
define SQLITE_OS_UNIX 1
define SQLITE_OS_WIN 0
}
set ::sqliteConfig(msg-debug-enabled) [proj-val-truthy [get-env msg-debug 0]]
sqlite-setup-package-info
}
########################################################################
# Called by [sqlite-post-options-init] to set up PACKAGE_NAME and
# related defines.
proc sqlite-setup-package-info {} {
set srcdir $::autosetup(srcdir)
set PACKAGE_VERSION [proj-file-content -trim $srcdir/VERSION]
define PACKAGE_NAME "sqlite"
define PACKAGE_URL {https://sqlite.org}
define PACKAGE_VERSION $PACKAGE_VERSION
define PACKAGE_STRING "[get-define PACKAGE_NAME] $PACKAGE_VERSION"
define PACKAGE_BUGREPORT [get-define PACKAGE_URL]/forum
msg-result "Source dir = $srcdir"
msg-result "Build dir = $::autosetup(builddir)"
msg-result "Configuring SQLite version $PACKAGE_VERSION"
}
########################################################################
# Internal config-time debugging output routine. It generates no
# output unless msg-debug=1 is passed to the configure script.
proc msg-debug {msg} {
if {$::sqliteConfig(msg-debug-enabled)} {
puts stderr [proj-bold "** DEBUG: $msg"]
}
}
########################################################################
# Sets up the SQLITE_AUTORECONFIG define.
proc sqlite-autoreconfig {} {
#
# SQLITE_AUTORECONFIG contains make target rules for re-running the
# configure script with the same arguments it was initially invoked
# with. This can be used to automatically reconfigure
#
proc squote {arg} {
# Wrap $arg in single-quotes if it looks like it might need that
# to avoid mis-handling as a shell argument. We assume that $arg
# will never contain any single-quote characters.
if {[string match {*[ &;$*"]*} $arg]} { return '$arg' }
return $arg
}
define-append SQLITE_AUTORECONFIG cd [squote $::autosetup(builddir)] && [squote $::autosetup(srcdir)/configure]
#{*}$::autosetup(argv) breaks with --flag='val with spaces', so...
foreach arg $::autosetup(argv) {
define-append SQLITE_AUTORECONFIG [squote $arg]
}
rename squote ""
}
define OPT_FEATURE_FLAGS {} ; # -DSQLITE_OMIT/ENABLE flags.
define OPT_SHELL {} ; # Feature-related CFLAGS for the sqlite3 CLI app
########################################################################
# Adds $args, if not empty, to OPT_FEATURE_FLAGS. If the first arg is
# -shell then it strips that arg and passes the remaining args the
# sqlite-add-shell-opt in addition to adding them to
# OPT_FEATURE_FLAGS.
proc sqlite-add-feature-flag {args} {
set shell ""
if {"-shell" eq [lindex $args 0]} {
set args [lassign $args shell]
}
if {"" ne $args} {
if {"" ne $shell} {
sqlite-add-shell-opt {*}$args
}
define-append OPT_FEATURE_FLAGS {*}$args
}
}
# Appends $args, if not empty, to OPT_SHELL.
proc sqlite-add-shell-opt {args} {
if {"" ne $args} {
define-append OPT_SHELL {*}$args
}
}
########################################################################
# Check for log(3) in libm and die with an error if it is not
# found. $featureName should be the feature name which requires that
# function (it's used only in error messages). defines LDFLAGS_MATH to
# the required linker flags (which may be empty even if the math APIs
# are found, depending on the OS).
proc sqlite-affirm-have-math {featureName} {
if {"" eq [get-define LDFLAGS_MATH ""]} {
if {![msg-quiet proj-check-function-in-lib log m]} {
user-error "Missing math APIs for $featureName"
}
define LDFLAGS_MATH [get-define lib_log ""]
undefine lib_log
}
}
########################################################################
# Run checks for required binaries, like ld and ar. In the canonical
# build this must come before [sqlite-handle-wasi-sdk].
proc sqlite-check-common-bins {} {
cc-check-tools ld ar ; # must come before [sqlite-handle-wasi-sdk]
if {"" eq [proj-bin-define install]} {
proj-warn "Cannot find install binary, so 'make install' will not work."
define BIN_INSTALL false
}
}
########################################################################
# Run checks for system-level includes and libs which are common to
# both the canonical build and the "autoconf" bundle.
proc sqlite-check-common-system-deps {} {
#
# Check for needed/wanted data types
cc-with {-includes stdint.h} \
{cc-check-types int8_t int16_t int32_t int64_t intptr_t \
uint8_t uint16_t uint32_t uint64_t uintptr_t}
#
# Check for needed/wanted functions
cc-check-functions gmtime_r isnan localtime_r localtime_s \
malloc_usable_size strchrnul usleep utime pread pread64 pwrite pwrite64
proj-check-function-in-lib fdatasync rt
define LDFLAGS_FDATASYNC [get-define lib_fdatasync]
undefine lib_fdatasync
#
# Check for needed/wanted headers
cc-check-includes \
sys/types.h sys/stat.h dlfcn.h unistd.h \
stdlib.h malloc.h memory.h \
string.h strings.h \
inttypes.h
if {[cc-check-includes zlib.h] && [proj-check-function-in-lib deflate z]} {
# TODO? port over the more sophisticated zlib search from the fossil auto.def
define HAVE_ZLIB 1
define LDFLAGS_ZLIB -lz
sqlite-add-shell-opt -DSQLITE_HAVE_ZLIB=1
} else {
define HAVE_ZLIB 0
define LDFLAGS_ZLIB ""
}
}
proc sqlite-setup-default-cflags {} {
########################################################################
# We differentiate between two C compilers: the one used for binaries
# which are to run on the build system (in autosetup it's called
# CC_FOR_BUILD and in Makefile.in it's $(B.cc)) and the one used for
# compiling binaries for the target system (CC a.k.a. $(T.cc)).
# Normally they're the same, but they will differ when
# cross-compiling.
#
# When cross-compiling we default to not using the -g flag, based on a
# /chat discussion prompted by
# https://sqlite.org/forum/forumpost/9a67df63eda9925c
set defaultCFlags {-O2}
if {!$::sqliteConfig(is-cross-compiling)} {
lappend defaultCFlags -g
}
define CFLAGS [proj-get-env CFLAGS $defaultCFlags]
# BUILD_CFLAGS is the CFLAGS for CC_FOR_BUILD.
define BUILD_CFLAGS [proj-get-env BUILD_CFLAGS {-g}]
}
########################################################################
# Handle various SQLITE_ENABLE_... feature flags.
proc sqlite-handle-common-feature-flags {} {
msg-result "Feature flags..."
foreach {boolFlag featureFlag ifSetEvalThis} {
all {} {
# The 'all' option must be first in this list.
proj-opt-set fts4
proj-opt-set fts5
proj-opt-set geopoly
proj-opt-set rtree
proj-opt-set session
}
fts4 -DSQLITE_ENABLE_FTS4 {sqlite-affirm-have-math fts4}
fts5 -DSQLITE_ENABLE_FTS5 {sqlite-affirm-have-math fts5}
geopoly -DSQLITE_ENABLE_GEOPOLY {proj-opt-set rtree}
rtree -DSQLITE_ENABLE_RTREE {}
session {-DSQLITE_ENABLE_SESSION -DSQLITE_ENABLE_PREUPDATE_HOOK} {}
update-limit -DSQLITE_ENABLE_UPDATE_DELETE_LIMIT {}
memsys5 -DSQLITE_ENABLE_MEMSYS5 {}
memsys3 {} {
if {[opt-bool memsys5]} {
proj-warn "not enabling memsys3 because memsys5 is enabled."
expr 0
} else {
sqlite-add-feature-flag -DSQLITE_ENABLE_MEMSYS3
}
}
scanstatus -DSQLITE_ENABLE_STMT_SCANSTATUS {}
} {
if {$boolFlag ni $::autosetup(options)} {
# Skip flags which are in the canonical build but not
# the autoconf bundle.
continue
}
proj-if-opt-truthy $boolFlag {
sqlite-add-feature-flag $featureFlag
if {0 != [eval $ifSetEvalThis] && "all" ne $boolFlag} {
msg-result " + $boolFlag"
}
} {
if {"all" ne $boolFlag} {
msg-result " - $boolFlag"
}
}
}
########################################################################
# Invert the above loop's logic for some SQLITE_OMIT_... cases. If
# config option $boolFlag is false, [sqlite-add-feature-flag
# $featureFlag], where $featureFlag is intended to be
# -DSQLITE_OMIT_...
foreach {boolFlag featureFlag} {
json -DSQLITE_OMIT_JSON
} {
if {[proj-opt-truthy $boolFlag]} {
msg-result " + $boolFlag"
} else {
sqlite-add-feature-flag $featureFlag
msg-result " - $boolFlag"
}
}
}
#########################################################################
# Show the final feature flag sets.
proc sqlite-show-feature-flags {} {
set oFF [get-define OPT_FEATURE_FLAGS]
if {"" ne $oFF} {
define OPT_FEATURE_FLAGS [lsort -unique $oFF]
msg-result "Library feature flags: [get-define OPT_FEATURE_FLAGS]"
}
set oFF [get-define OPT_SHELL]
if {"" ne $oFF} {
define OPT_SHELL [lsort -unique $oFF]
msg-result "Shell options: [get-define OPT_SHELL]"
}
#parray ::sqliteConfig
}
########################################################################
# Checks for the --debug flag, defining SQLITE_DEBUG to 1 if it is
# true. TARGET_DEBUG gets defined either way, with content depending
# on whether --debug is true or false.
proc sqlite-handle-debug {} {
msg-checking "SQLITE_DEBUG build? "
proj-if-opt-truthy debug {
define SQLITE_DEBUG 1
define TARGET_DEBUG {-g -DSQLITE_DEBUG=1 -DSQLITE_ENABLE_SELECTTRACE -DSQLITE_ENABLE_WHERETRACE -O0 -Wall}
proj-opt-set memsys5
msg-result yes
} {
define TARGET_DEBUG {-DNDEBUG}
msg-result no
}
}
########################################################################
# "soname" for libsqlite3.so. See discussion at:
# https://sqlite.org/src/forumpost/5a3b44f510df8ded
proc sqlite-handle-soname {} {
define LDFLAGS_LIBSQLITE3_SONAME ""
if {[proj-opt-was-provided soname]} {
set soname [join [opt-val soname] ""]
} else {
# Enabling soname breaks linking for the --dynlink-tools feature,
# and this project has no direct use for soname, so default to
# none. Package maintainers, on the other hand, like to have an
# soname.
set soname none
}
switch -exact -- $soname {
none - "" { return 0 }
legacy { set soname libsqlite3.so.0 }
default {
if {[string match libsqlite3.* $soname]} {
# use it as-is
} else {
# Assume it's a suffix
set soname "libsqlite3.so.${soname}"
}
}
}
msg-debug "soname=$soname"
if {[proj-check-soname $soname]} {
define LDFLAGS_LIBSQLITE3_SONAME [get-define LDFLAGS_SONAME_PREFIX]$soname
msg-result "Setting SONAME using: [get-define LDFLAGS_LIBSQLITE3_SONAME]"
} elseif {[proj-opt-was-provided soname]} {
# --soname was explicitly requested but not available, so fail fatally
proj-fatal "This environment does not support SONAME."
} else {
# --soname was not explicitly requested but not available, so just warn
msg-result "This environment does not support SONAME."
}
}
########################################################################
# If --enable-thresafe is set, this adds -DSQLITE_THREADSAFE=1 to
# OPT_FEATURE_FLAGS and sets LDFLAGS_PTHREAD to the linker flags
# needed for linking pthread. If --enable-threadsafe is not set, adds
# -DSQLITE_THREADSAFE=0 to OPT_FEATURE_FLAGS and sets LDFLAGS_PTHREAD
# to an empty string.
proc sqlite-handle-threadsafe {} {
msg-checking "Support threadsafe operation? "
proj-if-opt-truthy threadsafe {
msg-result yes
sqlite-add-feature-flag -DSQLITE_THREADSAFE=1
if {![proj-check-function-in-lib pthread_create pthread]
|| ![proj-check-function-in-lib pthread_mutexattr_init pthread]} {
user-error "Missing required pthread bits"
}
define LDFLAGS_PTHREAD [get-define lib_pthread_create]
undefine lib_pthread_create
# Recall that LDFLAGS_PTHREAD might be empty even if pthreads if
# found because it's in -lc on some platforms.
} {
msg-result no
sqlite-add-feature-flag -DSQLITE_THREADSAFE=0
define LDFLAGS_PTHREAD ""
}
}
########################################################################
# Handles the --with-tempstore flag.
#
# The test fixture likes to set SQLITE_TEMP_STORE on its own, so do
# not set that feature flag unless it was explicitly provided to the
# configure script.
proc sqlite-handle-tempstore {} {
if {[proj-opt-was-provided with-tempstore]} {
set ts [opt-val with-tempstore no]
set tsn 1
msg-checking "Use an in-RAM database for temporary tables? "
switch -exact -- $ts {
never { set tsn 0 }
no { set tsn 1 }
yes { set tsn 2 }
always { set tsn 3 }
default {
user-error "Invalid --with-tempstore value '$ts'. Use one of: never, no, yes, always"
}
}
msg-result $ts
sqlite-add-feature-flag -DSQLITE_TEMP_STORE=$tsn
}
}
########################################################################
# Check for the Emscripten SDK for building the web-based wasm
# components. The core lib and tools do not require this but ext/wasm
# does.
proc sqlite-handle-emsdk {} {
set srcdir $::autosetup(srcdir)
if {$srcdir ne $::autosetup(builddir)} {
# The EMSDK pieces require writing to the original source tree
# even when doing an out-of-tree build. The ext/wasm pieces do not
# support an out-of-tree build so we catch that case and treat it
# as if EMSDK were not found.
msg-result "Out-of tree build: not checking for EMSDK."
define EMCC_WRAPPER ""
return
}
set emccsh $srcdir/tool/emcc.sh
if {![get-define HAVE_WASI_SDK] && [proj-check-emsdk]} {
define EMCC_WRAPPER $emccsh
proj-make-from-dot-in $emccsh
catch {exec chmod u+x $emccsh}
} else {
define EMCC_WRAPPER ""
file delete -force $emccsh
}
}
########################################################################
# sqlite-check-line-editing jumps through proverbial hoops to try to
# find a working line-editing library, setting:
#
# - HAVE_READLINE to 0 or 1
# - HAVE_LINENOISE to 0, 1, or 2
# - HAVE_EDITLINE to 0 or 1
#
# Only one of ^^^ those will be set to non-0.
#
# - LDFLAGS_READLINE = linker flags or empty string
#
# - CFLAGS_READLINE = compilation flags for clients or empty string.
#
# Note that LDFLAGS_READLINE and CFLAGS_READLINE may refer to
# linenoise or editline, not necessarily libreadline. In some cases
# it will set HAVE_READLINE=1 when it's really using editline, for
# reasons described in this function's comments.
#
# Returns a string describing which line-editing approach to use, or
# "none" if no option is available.
#
# Order of checks:
#
# 1) --with-linenoise trumps all others and skips all of the
# complexities involved with the remaining options.
#
# 2) --editline trumps --readline
#
# 3) --disable-readline trumps --readline
#
# 4) Default to automatic search for optional readline
#
# 5) Try to find readline or editline. If it's not found AND the
# corresponding --FEATURE flag was explicitly given, fail fatally,
# else fail silently.
proc sqlite-check-line-editing {} {
msg-result "Checking for line-editing capability..."
define HAVE_READLINE 0
define HAVE_LINENOISE 0
define HAVE_EDITLINE 0
define LDFLAGS_READLINE ""
define CFLAGS_READLINE ""
set failIfNotFound 0 ; # Gets set to 1 for explicit --FEATURE requests
# so that we know whether to fail fatally or not
# if the library is not found.
set libsForReadline {readline edit} ; # -l<LIB> names to check for readline().
# The libedit check changes this.
set editLibName "readline" ; # "readline" or "editline"
set editLibDef "HAVE_READLINE" ; # "HAVE_READLINE" or "HAVE_EDITLINE"
set dirLn [opt-val with-linenoise]
if {"" ne $dirLn} {
# Use linenoise from a copy of its sources (not a library)...
if {![file isdir $dirLn]} {
proj-fatal "--with-linenoise value is not a directory"
}
set lnH $dirLn/linenoise.h
if {![file exists $lnH] } {
proj-fatal "Cannot find linenoise.h in $dirLn"
}
set lnC ""
set lnCOpts {linenoise-ship.c linenoise.c}
foreach f $lnCOpts {
if {[file exists $dirLn/$f]} {
set lnC $dirLn/$f
break;
}
}
if {"" eq $lnC} {
proj-fatal "Cannot find any of $lnCOpts in $dirLn"
}
set flavor ""
set lnVal [proj-which-linenoise $lnH]
switch -- $lnVal {
1 { set flavor "antirez" }
2 { set flavor "msteveb" }
default {
proj-fatal "Cannot determine the flavor of linenoise from $lnH"
}
}
define CFLAGS_READLINE "-I$dirLn $lnC"
define HAVE_LINENOISE $lnVal
sqlite-add-shell-opt -DHAVE_LINENOISE=$lnVal
if {$::sqliteConfig(use-jim-for-codegen) && 2 == $lnVal} {
define-append CFLAGS_JIMSH -DUSE_LINENOISE [get-define CFLAGS_READLINE]
user-notice "Adding linenoise support to jimsh."
}
return "linenoise ($flavor)"
} elseif {[opt-bool editline]} {
# libedit mimics libreadline and on some systems does not have its
# own header installed (instead, that of libreadline is used).
#
# shell.c historically expects HAVE_EDITLINE to be set for
# libedit, but it then expects to see <editline/readline.h>, which
# some system's don't actually have despite having libedit. If we
# end up finding <editline/readline.h> below, we will use
# -DHAVE_EDITLINE=1, else we will use -DHAVE_READLINE=1. In either
# case, we will link against libedit.
set failIfNotFound 1
set libsForReadline {edit}
set editLibName editline
} elseif {![opt-bool readline]} {
msg-result "Readline support explicitly disabled with --disable-readline"
return "none"
} elseif {[proj-opt-was-provided readline]} {
# If an explicit --[enable-]readline was used, fail if it's not
# found, else treat the feature as optional.
set failIfNotFound 1
}
# Transform with-readline-header=X to with-readline-cflags=-I...
set v [opt-val with-readline-header]
proj-opt-set with-readline-header ""
if {"" ne $v} {
if {"auto" eq $v} {
proj-opt-set with-readline-cflags auto
} else {
set v [file dirname $v]
if {[string match */readline $v]} {
# Special case: if the path includes .../readline/readline.h,
# set the -I to one dir up from that because our sources
# #include <readline/readline.h> or <editline/readline.h>.
set v [file dirname $v]
}
proj-opt-set with-readline-cflags "-I$v"
}
}
# Look for readline.h
set rlInc [opt-val with-readline-cflags auto]
if {"auto" eq $rlInc} {
set rlInc ""
if {$::sqliteConfig(is-cross-compiling)} {
# ^^^ this check is derived from the legacy configure script.
proj-warn "Skipping check for readline.h because we're cross-compiling."
} else {
set dirs "[get-define prefix] /usr /usr/local /usr/local/readline /usr/contrib /mingw"
set subdirs "include/$editLibName"
if {"editline" eq $editLibName} {
lappend subdirs include/readline
# ^^^ editline, on some systems, does not have its own header,
# and uses libreadline's header.
}
lappend subdirs include
# ^^^ The dirs and subdirs lists are, except for the inclusion
# of $prefix and editline, from the legacy configure script
set rlInc [proj-search-for-header-dir readline.h \
-dirs $dirs -subdirs $subdirs]
if {"" ne $rlInc} {
if {[string match */readline $rlInc]} {
set rlInc [file dirname $rlInc]; # shell #include's <readline/readline.h>
} elseif {[string match */editline $rlInc]} {
set editLibDef HAVE_EDITLINE
set rlInc [file dirname $rlInc]; # shell #include's <editline/readline.h>
}
set rlInc "-I${rlInc}"
}
}
} elseif {"" ne $rlInc && ![string match *-I* $rlInc]} {
proj-fatal "Argument to --with-readline-cflags is intended to be CFLAGS and contain -I..."
}
# If readline.h was found/specified, look for lib(readline|edit)...
#
# This is not quite straightforward because both libreadline and
# libedit typically require some other library which (according to
# legacy autotools-generated tests) provides tgetent(3). On some
# systems that's built into libreadline/edit, on some (most?) its in
# lib[n]curses, and on some it's in libtermcap.
set rlLib ""
if {"" ne $rlInc} {
set rlLib [opt-val with-readline-ldflags]
if {"" eq $rlLib || "auto" eq $rlLib} {
set rlLib ""
set libTerm ""
if {[proj-check-function-in-lib tgetent "$editLibName ncurses curses termcap"]} {
# ^^^ that libs list comes from the legacy configure script ^^^
set libTerm [get-define lib_tgetent]
undefine lib_tgetent
}
if {$editLibName eq $libTerm} {
set rlLib $libTerm
} elseif {[proj-check-function-in-lib readline $libsForReadline $libTerm]} {
set rlLib [get-define lib_readline]
lappend rlLib $libTerm
undefine lib_readline
}
}
}
# If we found a library, configure the build to use it...
if {"" ne $rlLib} {
if {"editline" eq $editLibName && "HAVE_READLINE" eq $editLibDef} {
# Alert the user that, despite outward appearances, we won't be
# linking to the GPL'd libreadline. Presumably that distinction is
# significant for those using --editline.
proj-indented-notice {
NOTE: the local libedit but uses <readline/readline.h> so we
will compile with -DHAVE_READLINE=1 but will link with
libedit.
}
}
set rlLib [join $rlLib]
set rlInc [join $rlInc]
define LDFLAGS_READLINE $rlLib
define CFLAGS_READLINE $rlInc
proj-assert {$editLibDef in {HAVE_READLINE HAVE_EDITLINE}}
proj-assert {$editLibName in {readline editline}}
sqlite-add-shell-opt -D${editLibDef}=1
msg-result "Using $editLibName flags: $rlInc $rlLib"
# Check whether rl_completion_matches() has a signature we can use
# and disable that sub-feature if it doesn't.
if {![cctest \
-cflags "$rlInc -D${editLibDef}" -libs $rlLib -nooutput 1 -source {
#include <stdio.h>
#ifdef HAVE_EDITLINE
#include <editline/readline.h>
#else
#include <readline/readline.h>
#endif
static char * rcg(const char *z, int i){(void)z; (void)i; return 0;}
int main(void) {
char ** x = rl_completion_matches("one", rcg);
(void)x;
return 0;
}
}]} {
proj-warn "readline-style completion disabled due to rl_completion_matches() signature mismatch"
sqlite-add-shell-opt -DSQLITE_OMIT_READLINE_COMPLETION
}
return $editLibName
}
if {$failIfNotFound} {
proj-fatal "Explicit --$editLibName failed to find a matching library."
}
return "none"
}; # sqlite-check-line-editing
########################################################################
# Runs sqlite-check-line-editing and adds a message around it In the
# canonical build this must not be called before
# sqlite-determine-codegen-tcl.
proc sqlite-handle-line-editing {} {
msg-result "Line-editing support for the sqlite3 shell: [sqlite-check-line-editing]"
}
########################################################################
# ICU - International Components for Unicode
#
# Handles these flags:
#
# --with-icu-ldflags=LDFLAGS
# --with-icu-cflags=CFLAGS
# --with-icu-config[=auto | pkg-config | /path/to/icu-config]
# --enable-icu-collations
#
# --with-icu-config values:
#
# - auto: use the first one of (pkg-config, icu-config) found on the
# system.
# - pkg-config: use only pkg-config to determine flags
# - /path/to/icu-config: use that to determine flags
#
# If --with-icu-config is used as neither pkg-config nor icu-config
# are found, fail fatally.
#
# If both --with-icu-ldflags and --with-icu-config are provided, they
# are cumulative. If neither are provided, icu-collations is not
# honored and a warning is emitted if it is provided.
#
# Design note: though we could automatically enable ICU if the
# icu-config binary or (pkg-config icu-io) are found, we specifically
# do not. ICU is always an opt-in feature.
proc sqlite-handle-icu {} {
define LDFLAGS_ICU [join [opt-val with-icu-ldflags ""]]
define CFLAGS_ICU [join [opt-val with-icu-cflags ""]]
if {[proj-opt-was-provided with-icu-config]} {
set icuConfigBin [opt-val with-icu-config]
set tryIcuConfigBin 1; # set to 0 if we end up using pkg-config
if {"auto" eq $icuConfigBin || "pkg-config" eq $icuConfigBin} {
if {[pkg-config-init 0] && [pkg-config icu-io]} {
# Maintenance reminder: historical docs say to use both of
# (icu-io, icu-uc). icu-uc lacks a required lib and icu-io has
# all of them on tested OSes.
set tryIcuConfigBin 0
define LDFLAGS_ICU [get-define PKG_ICU_IO_LDFLAGS]
define-append LDFLAGS_ICU [get-define PKG_ICU_IO_LIBS]
define CFLAGS_ICU [get-define PKG_ICU_IO_CFLAGS]
} elseif {"pkg-config" eq $icuConfigBin} {
proj-fatal "pkg-config cannot find package icu-io"
} else {
proj-assert {"auto" eq $icuConfigBin}
}
}
if {$tryIcuConfigBin} {
if {"auto" eq $icuConfigBin} {
set icuConfigBin [proj-first-bin-of \
/usr/local/bin/icu-config \
/usr/bin/icu-config]
if {"" eq $icuConfigBin} {
proj-fatal "--with-icu-config=auto cannot find (pkg-config icu-io) or icu-config binary"
}
}
if {[file-isexec $icuConfigBin]} {
set x [exec $icuConfigBin --ldflags]
if {"" eq $x} {
proj-fatal "$icuConfigBin --ldflags returned no data"
}
define-append LDFLAGS_ICU $x
set x [exec $icuConfigBin --cppflags]
define-append CFLAGS_ICU $x
} else {
proj-fatal "--with-icu-config=$bin does not refer to an executable"
}
}
}
set ldflags [define LDFLAGS_ICU [string trim [get-define LDFLAGS_ICU]]]
set cflags [define CFLAGS_ICU [string trim [get-define CFLAGS_ICU]]]
if {"" ne $ldflags} {
sqlite-add-feature-flag -shell -DSQLITE_ENABLE_ICU
msg-result "Enabling ICU support with flags: $ldflags $cflags"
if {[opt-bool icu-collations]} {
msg-result "Enabling ICU collations."
sqlite-add-feature-flag -shell -DSQLITE_ENABLE_ICU_COLLATIONS
# Recall that shell.c builds with sqlite3.c
}
} elseif {[opt-bool icu-collations]} {
proj-warn "ignoring --enable-icu-collations because neither --with-icu-ldflags nor --with-icu-config provided any linker flags"
} else {
msg-result "ICU support is disabled."
}
}; # sqlite-handle-icu
########################################################################
# Handles the --enable-load-extension flag.
proc sqlite-handle-load-extension {} {
proj-if-opt-truthy load-extension {
if {[proj-check-function-in-lib dlopen dl]} {
define LDFLAGS_DLOPEN [get-define lib_dlopen]
undefine lib_dlopen
} else {
user-error "dlopen() not found. Use --disable-load-extension to bypass this check."
}
} {
define LDFLAGS_DLOPEN ""
sqlite-add-feature-flag {-DSQLITE_OMIT_LOAD_EXTENSION=1}
msg-result "Disabling loadable extensions."
}
}
########################################################################
# Handles the --enable-math flag.
proc sqlite-handle-math {} {
proj-if-opt-truthy math {
if {![proj-check-function-in-lib ceil m]} {
user-error "Cannot find libm functions. Use --disable-math to bypass this."
}
define LDFLAGS_MATH [get-define lib_ceil]
undefine lib_ceil
sqlite-add-feature-flag {-DSQLITE_ENABLE_MATH_FUNCTIONS}
msg-result "Enabling math SQL functions [get-define LDFLAGS_MATH]"
} {
define LDFLAGS_MATH ""
msg-result "Disabling math SQL functions"
}
}
########################################################################
# Generate the configure-process output file(s).
proc sqlite-process-dot-in-files {} {
########################################################################
# When cross-compiling, we have to avoid using the -s flag to
# /usr/bin/install: https://sqlite.org/forum/forumpost/9a67df63eda9925c
define IS_CROSS_COMPILING $::sqliteConfig(is-cross-compiling)
########################################################################
# "Re-export" the autoconf-conventional --XYZdir flags into something
# which is more easily overridable from a make invocation. See the docs
# for [proj-remap-autoconf-dir-vars] for the explanation of why.
#
# We do this late in the config process, immediately before we export
# the Makefile and other generated files, so that configure tests
# which make make use of the autotools-conventional flags
# (e.g. [proj-check-rpath]) may do so before we "mangle" them here.
proj-remap-autoconf-dir-vars
proj-make-from-dot-in -touch Makefile sqlite3.pc
make-config-header sqlite_cfg.h \
-bare {SIZEOF_* HAVE_DECL_*} \
-none {HAVE_CFLAG_* LDFLAGS_* SH_* SQLITE_AUTORECONFIG
TARGET_* USE_GCOV TCL_*} \
-auto {HAVE_* PACKAGE_*} \
-none *
proj-touch sqlite_cfg.h ; # help avoid frequent unnecessary @SQLITE_AUTORECONFIG@
}
########################################################################
# Perform some high-level validation on the generated files...
#
# 1) Ensure that no unresolved @VAR@ placeholders are in files which
# use those.
#
# 2) TBD
proc sqlite-post-config-validation {} {
# Check #1: ensure that files which get filtered for @VAR@ do not
# contain any unresolved @VAR@ refs. That may indicate an
# unexported/unused var or a typo.
foreach f "Makefile sqlite3.pc $::autosetup(srcdir)/tool/emcc.sh" {
if {![file exists $f]} continue
set lnno 1
foreach line [proj-file-content-list $f] {
if {[regexp {(@[A-Za-z_]+@)} $line match]} {
error "Unresolved reference to $match at line $lnno of $f"
}
incr lnno
}
}
}
########################################################################
# Handle --with-wasi-sdk[=DIR]
#
# This must be run relatively early on because it may change the
# toolchain and disable a number of config options. However, in the
# canonical build this must come after [sqlite-check-common-bins].
proc sqlite-handle-wasi-sdk {} {
set wasiSdkDir [opt-val with-wasi-sdk] ; # ??? [lindex [opt-val with-wasi-sdk] end]
define HAVE_WASI_SDK 0
if {$wasiSdkDir eq ""} {
return 0
} elseif {$::sqliteConfig(is-cross-compiling)} {
proj-fatal "Cannot combine --with-wasi-sdk with cross-compilation"
}
msg-result "Checking WASI SDK directory \[$wasiSdkDir]... "
proj-affirm-files-exist -v {*}[prefix "$wasiSdkDir/bin/" {clang wasm-ld ar}]
define HAVE_WASI_SDK 1
define WASI_SDK_DIR $wasiSdkDir
# Disable numerous options which we know either can't work or are
# not useful in this build...
msg-result "Using wasi-sdk clang. Disabling CLI shell and modifying config flags:"
# Boolean (--enable-/--disable-) flags which must be switched off:
foreach opt {
dynlink-tools
editline
gcov
icu-collations
load-extension
readline
shared
tcl
threadsafe
} {
if {[opt-bool $opt]} {
msg-result " --disable-$opt"
proj-opt-set $opt 0
}
}
# Non-boolean flags which need to be cleared:
foreach opt {
with-emsdk
with-icu-config
with-icu-ldflags
with-icu-cflags
with-linenoise
with-tcl
} {
if {[proj-opt-was-provided $opt]} {
msg-result " removing --$opt"
proj-opt-set $opt ""
}
}
# Remember that we now have a discrepancy beteween
# $::sqliteConfig(is-cross-compiling) and [proj-is-cross-compiling].
set ::sqliteConfig(is-cross-compiling) 1
#
# Changing --host and --target have no effect here except to
# possibly cause confusion. Autosetup has finished processing them
# by this point.
#
# host_alias=wasm32-wasi
# target=wasm32-wasi
#
# Merely changing CC, LD, and AR to the wasi-sdk's is enough to get
# sqlite3.o building in WASM format.
#
define CC "${wasiSdkDir}/bin/clang"
define LD "${wasiSdkDir}/bin/wasm-ld"
define AR "${wasiSdkDir}/bin/ar"
#define STRIP "${wasiSdkDir}/bin/strip"
return 1
}; # sqlite-handle-wasi-sdk
########################################################################
# TCL...
#
# sqlite-check-tcl performs most of the --with-tcl and --with-tclsh
# handling. Some related bits and pieces are performed before and
# after that function is called.
#
# Important [define]'d vars:
#
# - HAVE_TCL indicates whether we have a tclsh suitable for building
# the TCL SQLite extension and, by extension, the testing
# infrastructure. This must only be 1 for environments where
# tclConfig.sh can be found.
#
# - TCLSH_CMD is the path to the canonical tclsh or "". It never
# refers to jimtcl.
#
# - TCL_CONFIG_SH is the path to tclConfig.sh or "".
#
# - TCLLIBDIR is the dir to which libtclsqlite3 gets installed.
#
# - BTCLSH = the path to the tcl interpreter used for in-tree code
# generation. It may be jimtcl or the canonical tclsh but may not
# be empty - this tree requires TCL to generated numerous
# components.
#
# If --tcl or --with-tcl are provided but no TCL is found, this
# function fails fatally. If they are not explicitly provided then
# failure to find TCL is not fatal but a loud warning will be emitted.
#
proc sqlite-check-tcl {} {
define TCLSH_CMD false ; # Significant is that it exits with non-0
define HAVE_TCL 0 ; # Will be enabled via --tcl or a successful search
define TCLLIBDIR "" ; # Installation dir for TCL extension lib
define TCL_CONFIG_SH ""; # full path to tclConfig.sh
# Clear out all vars which would be set by tclConfigToAutoDef.sh, so
# that the late-config validation of @VARS@ works even if
# --disable-tcl is used.
foreach k {TCL_INCLUDE_SPEC TCL_LIB_SPEC TCL_STUB_LIB_SPEC TCL_EXEC_PREFIX TCL_VERSION} {
define $k ""
}
file delete -force ".tclenv.sh"; # ensure no stale state from previous configures.
if {![opt-bool tcl]} {
proj-indented-notice {
NOTE: TCL is disabled via --disable-tcl. This means that none
of the TCL-based components will be built, including tests
and sqlite3_analyzer.
}
return
}
# TODO: document the steps this is taking.
set srcdir $::autosetup(srcdir)
msg-result "Checking for a suitable tcl... "
proj-assert [proj-opt-truthy tcl]
set use_tcl 1
set with_tclsh [opt-val with-tclsh]
set with_tcl [opt-val with-tcl]
if {"prefix" eq $with_tcl} {
set with_tcl [get-define prefix]
}
msg-debug "sqlite-check-tcl: use_tcl ${use_tcl}"
msg-debug "sqlite-check-tcl: with_tclsh=${with_tclsh}"
msg-debug "sqlite-check-tcl: with_tcl=$with_tcl"
if {"" eq $with_tclsh && "" eq $with_tcl} {
# If neither --with-tclsh nor --with-tcl are provided, try to find
# a workable tclsh.
set with_tclsh [proj-first-bin-of tclsh9.0 tclsh8.6 tclsh]
msg-debug "sqlite-check-tcl: with_tclsh=${with_tclsh}"
}
set doConfigLookup 1 ; # set to 0 to test the tclConfig.sh-not-found cases
if {"" ne $with_tclsh} {
# --with-tclsh was provided or found above. Validate it and use it
# to trump any value passed via --with-tcl=DIR.
if {![file-isexec $with_tclsh]} {
proj-fatal "TCL shell $with_tclsh is not executable"
} else {
define TCLSH_CMD $with_tclsh
#msg-result "Using tclsh: $with_tclsh"
}
if {$doConfigLookup &&
[catch {exec $with_tclsh $srcdir/tool/find_tclconfig.tcl} result] == 0} {
set with_tcl $result
}
if {"" ne $with_tcl && [file isdir $with_tcl]} {
msg-result "$with_tclsh recommends the tclConfig.sh from $with_tcl"
} else {
proj-warn "$with_tclsh is unable to recommend a tclConfig.sh"
set use_tcl 0
}
}
set cfg ""
set tclSubdirs {tcl9.0 tcl8.6 lib}
while {$use_tcl} {
if {"" ne $with_tcl} {
# Ensure that we can find tclConfig.sh under ${with_tcl}/...
if {$doConfigLookup} {
if {[file readable "${with_tcl}/tclConfig.sh"]} {
set cfg "${with_tcl}/tclConfig.sh"
} else {
foreach i $tclSubdirs {
if {[file readable "${with_tcl}/$i/tclConfig.sh"]} {
set cfg "${with_tcl}/$i/tclConfig.sh"
break
}
}
}
}
if {"" eq $cfg} {
proj-fatal "No tclConfig.sh found under ${with_tcl}"
}
} else {
# If we have not yet found a tclConfig.sh file, look in
# $libdir which is set automatically by autosetup or by the
# --prefix command-line option. See
# https://sqlite.org/forum/forumpost/e04e693439a22457
set libdir [get-define libdir]
if {[file readable "${libdir}/tclConfig.sh"]} {
set cfg "${libdir}/tclConfig.sh"
} else {
foreach i $tclSubdirs {
if {[file readable "${libdir}/$i/tclConfig.sh"]} {
set cfg "${libdir}/$i/tclConfig.sh"
break
}
}
}
if {![file readable $cfg]} {
break
}
}
msg-result "Using tclConfig.sh: $cfg"
break
}
define TCL_CONFIG_SH $cfg
# Export a subset of tclConfig.sh to the current TCL-space. If $cfg
# is an empty string, this emits empty-string entries for the
# various options we're interested in.
eval [exec /bin/sh "$srcdir/tool/tclConfigShToAutoDef.sh" "$cfg"]
if {"" eq $with_tclsh && $cfg ne ""} {
# We have tclConfig.sh but no tclsh. Attempt to locate a tclsh
# based on info from tclConfig.sh.
proj-assert {"" ne [get-define TCL_EXEC_PREFIX]}
set with_tclsh [get-define TCL_EXEC_PREFIX]/bin/tclsh[get-define TCL_VERSION]
if {![file-isexec $with_tclsh]} {
set with_tclsh2 [get-define TCL_EXEC_PREFIX]/bin/tclsh
if {![file-isexec $with_tclsh2]} {
proj-warn "Cannot find a usable tclsh (tried: $with_tclsh $with_tclsh2)"
} else {
set with_tclsh $with_tclsh2
}
}
}
define TCLSH_CMD $with_tclsh
if {$use_tcl} {
# Set up the TCLLIBDIR
#
# 2024-10-28: calculation of TCLLIBDIR is now done via the shell
# in main.mk (search it for T.tcl.env.sh) so that
# static/hand-written makefiles which import main.mk do not have
# to define that before importing main.mk. Even so, we export
# TCLLIBDIR from here, which will cause the canonical makefile to
# use this one rather than to re-calculate it at make-time.
set tcllibdir [get-env TCLLIBDIR ""]
if {"" eq $tcllibdir} {
# Attempt to extract TCLLIBDIR from TCL's $auto_path
if {"" ne $with_tclsh &&
[catch {exec echo "puts stdout \$auto_path" | "$with_tclsh"} result] == 0} {
foreach i $result {
if {[file isdir $i]} {
set tcllibdir $i/sqlite3
break
}
}
} else {
proj-warn "Cannot determine TCLLIBDIR."
# The makefile will fail fatally in this case if a target is
# invoked which requires TCLLIBDIR.
}
}
#if {"" ne $tcllibdir} { msg-result "TCLLIBDIR = ${tcllibdir}"; }
define TCLLIBDIR $tcllibdir
}; # find TCLLIBDIR
if {[file-isexec $with_tclsh]} {
msg-result "Using tclsh: $with_tclsh"
if {$cfg ne ""} {
define HAVE_TCL 1
} else {
proj-warn "Found tclsh but no tclConfig.sh."
}
}
show-notices
# If TCL is not found: if it was explicitly requested then fail
# fatally, else just emit a warning. If we can find the APIs needed
# to generate a working JimTCL then that will suffice for build-time
# TCL purposes (see: proc sqlite-determine-codegen-tcl).
if {![get-define HAVE_TCL] &&
([proj-opt-was-provided tcl] || [proj-opt-was-provided with-tcl])} {
proj-fatal "TCL support was requested but no tclConfig.sh could be found."
}
if {"" eq $cfg} {
proj-assert {0 == [get-define HAVE_TCL]}
proj-indented-notice {
WARNING: Cannot find a usable tclConfig.sh file. Use
--with-tcl=DIR to specify a directory where tclConfig.sh can be
found. SQLite does not use TCL internally, but some optional
components require TCL, including tests and sqlite3_analyzer.
}
}
}; # sqlite-check-tcl
########################################################################
# sqlite-determine-codegen-tcl checks which TCL to use as a code
# generator. By default, prefer jimsh simply because we have it
# in-tree (it's part of autosetup) unless --with-tclsh=X is used, in
# which case prefer X.
#
# Returns the human-readable name of the TCL it selects. Fails fatally
# if it cannot detect a TCL appropriate for code generation.
#
# Defines:
#
# - BTCLSH = the TCL shell used for code generation. It may set this
# to an unexpanded makefile var name.
#
# - CFLAGS_JIMSH = any flags needed for buildng a BTCLSH-compatible
# jimsh. The defaults may be passed on to configure as
# CFLAGS_JIMSH=...
proc sqlite-determine-codegen-tcl {} {
msg-result "Checking for TCL to use for code generation... "
define CFLAGS_JIMSH [proj-get-env CFLAGS_JIMSH {-O1}]
set cgtcl [opt-val with-tclsh jimsh]
if {"jimsh" ne $cgtcl} {
# When --with-tclsh=X is used, use that for all TCL purposes,
# including in-tree code generation, per developer request.
define BTCLSH "\$(TCLSH_CMD)"
return $cgtcl
}
set flagsToRestore {CC CFLAGS AS_CFLAGS CPPFLAGS AS_CPPFLAGS LDFLAGS LINKFLAGS LIBS CROSS}
define-push $flagsToRestore {
# We have to swap CC to CC_FOR_BUILD for purposes of the various
# [cc-...] tests below. Recall that --with-wasi-sdk may have
# swapped out CC with one which is not appropriate for this block.
# Per consulation with autosetup's creator, doing this properly
# requires us to [define-push] the whole $flagsToRestore list
# (plus a few others which are not relevant in this tree).
#
# These will get set to their previous values at the end of this
# block.
foreach flag $flagsToRestore {define $flag ""}
define CC [get-define CC_FOR_BUILD]
# These headers are technically optional for JimTCL but necessary if
# we want to use it for code generation:
set sysh [cc-check-includes dirent.h sys/time.h]
# jimsh0.c hard-codes #define's for HAVE_DIRENT_H and
# HAVE_SYS_TIME_H on the platforms it supports, so we do not
# need to add -D... flags for those. We check for them here only
# so that we can avoid the situation that we later, at
# make-time, try to compile jimsh but it then fails due to
# missing headers (i.e. fail earlier rather than later).
if {$sysh && [cc-check-functions realpath]} {
define-append CFLAGS_JIMSH -DHAVE_REALPATH
define BTCLSH "\$(JIMSH)"
set ::sqliteConfig(use-jim-for-codegen) 1
} elseif {$sysh && [cc-check-functions _fullpath]} {
# _fullpath() is a Windows API. It's not entirely clear
# whether we need to add {-DHAVE_SYS_TIME_H -DHAVE_DIRENT_H}
# to CFLAGS_JIMSH in this case. On MinGW32 we definitely do
# not want to because it already hard-codes them. On _MSC_VER
# builds it does not.
define-append CFLAGS_JIMSH -DHAVE__FULLPATH
define BTCLSH "\$(JIMSH)"
set ::sqliteConfig(use-jim-for-codegen) 1
} elseif {[file-isexec [get-define TCLSH_CMD]]} {
set cgtcl [get-define TCLSH_CMD]
define BTCLSH "\$(TCLSH_CMD)"
} else {
# One last-ditch effort to find TCLSH_CMD: use info from
# tclConfig.sh to try to find a tclsh
if {"" eq [get-define TCLSH_CMD]} {
set tpre [get-define TCL_EXEC_PREFIX]
if {"" ne $tpre} {
set tv [get-define TCL_VERSION]
if {[file-isexec "${tpre}/bin/tclsh${tv}"]} {
define TCLSH_CMD "${tpre}/bin/tclsh${tv}"
} elseif {[file-isexec "${tpre}/bin/tclsh"]} {
define TCLSH_CMD "${tpre}/bin/tclsh"
}
}
}
set cgtcl [get-define TCLSH_CMD]
if {![file-isexec $cgtcl]} {
proj-fatal "Cannot find a tclsh to use for code generation."
}
define BTCLSH "\$(TCLSH_CMD)"
}
}; # CC swap-out
return $cgtcl
}; # sqlite-determine-codegen-tcl
########################################################################
# Runs sqlite-check-tcl and sqlite-determine-codegen-tcl.
proc sqlite-handle-tcl {} {
sqlite-check-tcl
msg-result "TCL for code generation: [sqlite-determine-codegen-tcl]"
}
########################################################################
# If the --dump-defines configure flag is provided then emit a list of
# all [define] values to config.defines.txt, else do nothing.
proc sqlite-dump-defines {} {
proj-if-opt-truthy dump-defines {
make-config-header $::sqliteConfig(dump-defines-txt) \
-bare {SQLITE_OS* SQLITE_DEBUG USE_*} \
-str {BIN_* CC LD AR LDFLAG* OPT_*} \
-auto {*}
# achtung: ^^^^ whichever SQLITE_OS_foo flag which is set to 0 will
# get _undefined_ here unless it's part of the -bare set.
if {"" ne $::sqliteConfig(dump-defines-json)} {
msg-result "--dump-defines is creating $::sqliteConfig(dump-defines-json)"
########################################################################
# Dump config-defines.json...
# Demonstrate (mis?)handling of spaces in JSON-export array values:
# define-append OPT_FOO.list {"-DFOO=bar baz" -DBAR="baz barre"}
define OPT_FEATURE_FLAGS.list [get-define OPT_FEATURE_FLAGS]
define OPT_SHELL.list [get-define OPT_SHELL]
set dumpDefsOpt {
-bare {SIZEOF_* HAVE_DECL_*}
-none {HAVE_CFLAG_* LDFLAGS_* SH_* SQLITE_AUTORECONFIG TARGET_* USE_GCOV TCL_*}
-array {*.list}
-auto {OPT_* PACKAGE_* HAVE_*}
}
if {[opt-bool defines-json-include-lowercase]} {
lappend dumpDefsOpt -none {lib_*} ; # remnants from proj-check-function-in-lib and friends
lappend dumpDefsOpt -auto {[a-z]*}
}
lappend dumpDefsOpt -none *
proj-dump-defs-json $::sqliteConfig(dump-defines-json) {*}$dumpDefsOpt
undefine OPT_FEATURE_FLAGS.list
undefine OPT_SHELL.list
}
}
}
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