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Revert removal of signed, volatile, and signal handler arg type tests.

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This commit is contained in:
Peter Eisentraut
2000-08-29 09:36:51 +00:00
parent dffd8cac3d
commit ef6164de1d
13 changed files with 377 additions and 231 deletions
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32
config/c-compiler.m4
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@ -1,5 +1,35 @@
# Macros to detect C compiler features
# $Header: /cvsroot/pgsql/config/c-compiler.m4,v 1.2 2000/08/27 19:00:22 petere Exp $
# $Header: /cvsroot/pgsql/config/c-compiler.m4,v 1.3 2000/08/29 09:36:37 petere Exp $
# PGAC_C_SIGNED
# -------------
# Check if the C compiler understands signed types.
AC_DEFUN([PGAC_C_SIGNED],
[AC_CACHE_CHECK(for signed types, pgac_cv_c_signed,
[AC_TRY_COMPILE([],
[signed char c; signed short s; signed int i;],
[pgac_cv_c_signed=yes],
[pgac_cv_c_signed=no])])
if test x"$pgac_cv_c_signed" = xno ; then
AC_DEFINE(signed,, [Define empty if the C compiler does not understand signed types])
fi])# PGAC_C_SIGNED
# PGAC_C_VOLATILE
# ---------------
# Check if the C compiler understands `volatile'. Note that if it doesn't
# then this will potentially break the program semantics.
AC_DEFUN([PGAC_C_VOLATILE],
[AC_CACHE_CHECK(for volatile, pgac_cv_c_volatile,
[AC_TRY_COMPILE([],
[extern volatile int i;],
[pgac_cv_c_volatile=yes],
[pgac_cv_c_volatile=no])])
if test x"$pgac_cv_c_volatile" = xno ; then
AC_DEFINE(volatile,, [Define empty if the C compiler does not understand `volatile'])
fi])# PGAC_C_VOLATILE