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

1 files changed, 36 insertions, 6 deletions

diff --git a/aclocal.m4 b/aclocal.m4
index 87a981916e..1e9170805f 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,4 +1,4 @@
-# $Header: /cvsroot/pgsql/aclocal.m4,v 1.6 2000/08/28 11:53:12 petere Exp $
+# $Header: /cvsroot/pgsql/aclocal.m4,v 1.7 2000/08/29 09:36:37 petere Exp $
 # This comes from the official Autoconf macro archive at
 # <http://research.cys.de/autoconf-archive/>
 # (I removed the $ before the Id CVS keyword below.)
@@ -65,7 +65,37 @@ extern accept ($ac_cv_func_accept_arg1, $ac_cv_func_accept_arg2, $ac_cv_func_acc
  AC_DEFINE_UNQUOTED(ACCEPT_TYPE_ARG3,$ac_cv_func_accept_arg3)
 ])
 # Macros to detect C compiler features
-# $Header: /cvsroot/pgsql/aclocal.m4,v 1.6 2000/08/28 11:53:12 petere Exp $
+# $Header: /cvsroot/pgsql/aclocal.m4,v 1.7 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
 
 
 
@@ -154,7 +184,7 @@ undefine([AC_TYPE_NAME])dnl
 undefine([AC_CV_NAME])dnl
 ])# PGAC_CHECK_ALIGNOF
 # Macros that test various C library quirks
-# $Header: /cvsroot/pgsql/aclocal.m4,v 1.6 2000/08/28 11:53:12 petere Exp $
+# $Header: /cvsroot/pgsql/aclocal.m4,v 1.7 2000/08/29 09:36:37 petere Exp $
 
 
 # PGAC_VAR_INT_TIMEZONE
@@ -233,7 +263,7 @@ fi
 HAVE_POSIX_SIGNALS=$pgac_cv_func_posix_signals
 AC_SUBST(HAVE_POSIX_SIGNALS)])# PGAC_FUNC_POSIX_SIGNALS
 # Macros to detect certain C++ features
-# $Header: /cvsroot/pgsql/aclocal.m4,v 1.6 2000/08/28 11:53:12 petere Exp $
+# $Header: /cvsroot/pgsql/aclocal.m4,v 1.7 2000/08/29 09:36:37 petere Exp $
 
 
 # PGAC_CLASS_STRING
@@ -299,7 +329,7 @@ AC_LANG_RESTORE])
 if test $pgac_cv_cxx_namespace_std = yes ; then
     AC_DEFINE(HAVE_NAMESPACE_STD, 1, [Define to 1 if the C++ compiler understands `using namespace std'])
 fi])# PGAC_CXX_NAMESPACE_STD
-# $Header: /cvsroot/pgsql/aclocal.m4,v 1.6 2000/08/28 11:53:12 petere Exp $
+# $Header: /cvsroot/pgsql/aclocal.m4,v 1.7 2000/08/29 09:36:37 petere Exp $
 
 
 # PGAC_PATH_FLEX
@@ -374,7 +404,7 @@ AC_SUBST(FLEXFLAGS)
 #
 # Autoconf macros for configuring the build of Python extension modules
 #
-# $Header: /cvsroot/pgsql/aclocal.m4,v 1.6 2000/08/28 11:53:12 petere Exp $
+# $Header: /cvsroot/pgsql/aclocal.m4,v 1.7 2000/08/29 09:36:37 petere Exp $
 #
 
 # PGAC_PROG_PYTHON