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Select CFLAGS_SL at configure time, not in platform-specific Makefiles.

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Move the platform-dependent logic that sets CFLAGS_SL from
src/makefiles/Makefile.foo to src/template/foo, so that the value
is determined at configure time and thus is available while running
configure's tests.

On a couple of platforms this might save a few microseconds of build
time by eliminating a test that make otherwise has to do over and over.
Otherwise it's pretty much a wash for build purposes; in particular,
this makes no difference to anyone who might be overriding CFLAGS_SL
via a make option.

This patch in itself does nothing with the value and thus should not
change any behavior, though you'll probably have to re-run configure
to get a correctly updated Makefile.global.  We'll use the new
configure variable in a follow-on patch.

Per gripe from Kyotaro Horiguchi.  Back-patch to all supported branches,
because the follow-on patch is a portability bug fix.

Discussion: https://postgr.es/m/20191010.144533.263180400.horikyota.ntt@gmail.com
This commit is contained in:
Tom Lane
2019-10-21 12:32:36 -04:00
parent 09d74aef33
commit 62ca50ad7a
25 changed files with 73 additions and 32 deletions
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1
src/makefiles/Makefile.cygwin
View File

@@ -12,7 +12,6 @@ LIBS:=$(filter-out -lm -lc, $(LIBS))
AROPT = crs
DLSUFFIX = .dll
CFLAGS_SL =
override CPPFLAGS += -DWIN32_STACK_RLIMIT=$(WIN32_STACK_RLIMIT)

2
src/makefiles/Makefile.freebsd
View File

@@ -7,8 +7,6 @@ endif
DLSUFFIX = .so
CFLAGS_SL = -fPIC -DPIC
# extra stuff for $(with_temp_install)
# we need this to get LD_LIBRARY_PATH searched ahead of the compiled-in
# rpath, if no DT_RUNPATH is present in the executable. The conditions

5
src/makefiles/Makefile.hpux
View File

@@ -30,11 +30,6 @@ ifeq ($(host_cpu), ia64)
else
DLSUFFIX = .sl
endif
ifeq ($(GCC), yes)
CFLAGS_SL = -fPIC
else
CFLAGS_SL = +Z
endif
# env var name to use in place of LD_LIBRARY_PATH
ld_library_path_var = SHLIB_PATH

2
src/makefiles/Makefile.linux
View File

@@ -7,8 +7,6 @@ rpath = -Wl,-rpath,'$(rpathdir)',--enable-new-dtags
DLSUFFIX = .so
CFLAGS_SL = -fPIC
# Rule for building a shared library from a single .o file
%.so: %.o

2
src/makefiles/Makefile.netbsd
View File

@@ -9,8 +9,6 @@ endif
DLSUFFIX = .so
CFLAGS_SL = -fPIC -DPIC
# Rule for building a shared library from a single .o file
%.so: %.o

2
src/makefiles/Makefile.openbsd
View File

@@ -7,8 +7,6 @@ endif
DLSUFFIX = .so
CFLAGS_SL = -fPIC -DPIC
# Rule for building a shared library from a single .o file
%.so: %.o

6
src/makefiles/Makefile.sco
View File

@@ -2,11 +2,7 @@ AROPT = cr
export_dynamic = -Wl,-Bexport
DLSUFFIX = .so
ifeq ($(GCC), yes)
CFLAGS_SL = -fpic
else
CFLAGS_SL = -K PIC
endif
# Rule for building a shared library from a single .o file
%.so: %.o

6
src/makefiles/Makefile.solaris
View File

@@ -10,11 +10,7 @@ rpath = -Wl,-R'$(rpathdir)'
endif
DLSUFFIX = .so
ifeq ($(GCC), yes)
CFLAGS_SL = -fPIC
else
CFLAGS_SL = -KPIC
endif
# Rule for building a shared library from a single .o file
%.so: %.o

6
src/makefiles/Makefile.unixware
View File

@@ -17,11 +17,7 @@ endif
CFLAGS += $(PTHREAD_CFLAGS)
DLSUFFIX = .so
ifeq ($(GCC), yes)
CFLAGS_SL = -fpic
else
CFLAGS_SL = -K PIC
endif
ifeq ($(GCC), yes)
SO_FLAGS = -shared
else

1
src/makefiles/Makefile.win32
View File

@@ -12,7 +12,6 @@ override CPPFLAGS += -DWIN32_STACK_RLIMIT=$(WIN32_STACK_RLIMIT)
AROPT = crs
DLSUFFIX = .dll
CFLAGS_SL =
ifneq (,$(findstring backend,$(subdir)))
ifeq (,$(findstring conversion_procs,$(subdir)))