database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-28 23:42:10 +03:00
Code Activity

Upgrade to Autoconf version 2.53. Replaced many custom macro

Browse Source 
calls with new or now-built-in versions.  Make sure that all
calls to AC_DEFINE have a third argument, for possible use of
autoheader in the future.
This commit is contained in:
Peter Eisentraut
2002-03-29 17:32:55 +00:00
parent eb1ee9e63f
commit 7c1ff35410
20 changed files with 13977 additions and 6297 deletions
Download Patch File Download Diff File Expand all files Collapse all files

100
config/c-compiler.m4
View File

@ -1,5 +1,5 @@
# Macros to detect C compiler features
# $Header: /cvsroot/pgsql/config/c-compiler.m4,v 1.4 2001/12/02 11:38:40 petere Exp $
# $Header: /cvsroot/pgsql/config/c-compiler.m4,v 1.5 2002/03/29 17:32:53 petere Exp $
# PGAC_C_SIGNED
@ -17,22 +17,6 @@ fi])# PGAC_C_SIGNED
# PGAC_C_VOLATILE
# ---------------
# Check if the C compiler understands `volatile'. Note that if it doesn't
# then this will potentially break the program semantics.
AC_DEFUN([PGAC_C_VOLATILE],
[AC_CACHE_CHECK(for volatile, pgac_cv_c_volatile,
[AC_TRY_COMPILE([],
[extern volatile int i;],
[pgac_cv_c_volatile=yes],
[pgac_cv_c_volatile=no])])
if test x"$pgac_cv_c_volatile" = xno ; then
AC_DEFINE(volatile,, [Define empty if the C compiler does not understand `volatile'])
fi])# PGAC_C_VOLATILE
# PGAC_TYPE_64BIT_INT(TYPE)
# -------------------------
# Check if TYPE is a working 64 bit integer type. Set HAVE_TYPE_64 to
@ -84,67 +68,27 @@ undefine([Ac_cachevar])dnl
# PGAC_CHECK_ALIGNOF(TYPE)
# ------------------------
# PGAC_CHECK_ALIGNOF(TYPE, [INCLUDES = DEFAULT-INCLUDES])
# -----------------------------------------------------
# Find the alignment requirement of the given type. Define the result
# as ALIGNOF_TYPE. If cross-compiling, sizeof(type) is used as a
# default assumption.
#
# This is modeled on the standard autoconf macro AC_CHECK_SIZEOF.
# That macro never got any points for style.
# as ALIGNOF_TYPE. This macro works even when cross compiling.
# (Modelled after AC_CHECK_SIZEOF.)
AC_DEFUN([PGAC_CHECK_ALIGNOF],
[changequote(<<, >>)dnl
dnl The name to #define.
define(<<AC_TYPE_NAME>>, translit(alignof_$1, [a-z *], [A-Z_P]))dnl
dnl The cache variable name.
define(<<AC_CV_NAME>>, translit(pgac_cv_alignof_$1, [ *], [_p]))dnl
changequote([, ])dnl
AC_MSG_CHECKING(alignment of $1)
AC_CACHE_VAL(AC_CV_NAME,
[AC_TRY_RUN([#include <stdio.h>
struct { char filler; $1 field; } mystruct;
main()
{
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
fprintf(f, "%d\n", ((char*) & mystruct.field) - ((char*) & mystruct));
exit(0);
}], AC_CV_NAME=`cat conftestval`,
AC_CV_NAME='sizeof($1)',
AC_CV_NAME='sizeof($1)')])dnl
AC_MSG_RESULT($AC_CV_NAME)
AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [The alignment requirement of a `]$1['])
undefine([AC_TYPE_NAME])dnl
undefine([AC_CV_NAME])dnl
[AS_LITERAL_IF([$1], [],
[AC_FATAL([$0: requires literal arguments])])dnl
AC_CHECK_TYPE([$1], [], [], [$2])
AC_CACHE_CHECK([alignment of $1], [AS_TR_SH([pgac_cv_alignof_$1])],
[if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
_AC_COMPUTE_INT([((char*) & pgac_struct.field) - ((char*) & pgac_struct)],
[AS_TR_SH([pgac_cv_alignof_$1])],
[AC_INCLUDES_DEFAULT([$2])
struct { char filler; $1 field; } pgac_struct;],
[AC_MSG_ERROR([cannot compute alignment of $1, 77])])
else
AS_TR_SH([pgac_cv_alignof_$1])=0
fi])dnl
AC_DEFINE_UNQUOTED(AS_TR_CPP(alignof_$1),
[$AS_TR_SH([pgac_cv_alignof_$1])],
[The alignment requirement of a `$1'])
])# PGAC_CHECK_ALIGNOF
# PGAC_CHECK_TYPE(TYPE, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND], [INCLUDES])
# ---------------------------------------------------------------------------
AC_DEFUN([PGAC_CHECK_TYPE],
[changequote(<<,>>)dnl
dnl The name to #define
define(<<AC_TYPE_NAME>>, translit(have_$1, [a-z *], [A-Z_P]))dnl
dnl The cache variable name.
define(<<AC_CV_NAME>>, translit(pgac_cv_have_$1, [ *], [_p]))dnl
changequote([, ])dnl
AC_CACHE_CHECK([for $1], AC_CV_NAME,
[AC_TRY_COMPILE([$4],
[if (($1 *) 0)
return 0;
if (sizeof ($1))
return 0;],
AC_CV_NAME[=yes],
AC_CV_NAME[=no])])
if test "$AC_CV_NAME" = yes; then
AC_DEFINE(AC_TYPE_NAME, 1, [Define to 1 if you have `]$1['])
ifelse($2,,,[$2
])[]dnl
ifelse($3,,,[else
$3
])[]dnl
fi
undefine([AC_TYPE_NAME])dnl
undefine([AC_CV_NAME])dnl
])# PGAC_CHECK_TYPE