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--- a/acinclude.m4
+++ b/acinclude.m4
@@ -1106,6 +1106,8 @@ changequote([, ])dnl
dnl test function that tries to determine if a specified errno error exists
m4_define([checkerrno],
[AC_MSG_CHECKING(for errno symbol $3)
+ saved_cppflags="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS -P"
AC_PREPROC_IFELSE(
[AC_LANG_PROGRAM([[#include <errno.h>]],
[[
@@ -1117,7 +1119,8 @@ errnoval: $3
[AC_MSG_RESULT([OK])
$1="$$1 $3"
cat conftest.i | grep errnoval: >>$2],
- [AC_MSG_RESULT([no])])])
+ [AC_MSG_RESULT([no])])
+ CPPFLAGS="$saved_cppflags"])
AC_DEFUN([L_CHECKERRNO],
[checkerrno($@)])
@@ -1127,6 +1130,8 @@ dnl error exists
dnl test function that tries to determine if a specified errno error exists
m4_define([checkgaierror],
[AC_MSG_CHECKING(for getaddrinfo() error $3)
+ saved_cppflags="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS -P"
AC_PREPROC_IFELSE(
[AC_LANG_PROGRAM([[
#include <sys/types.h>
@@ -1142,7 +1147,8 @@ gaierrval: $3
$1="$$1 $3"
AC_DEFINE(HAVE_ERR_$3, 1, [$3 gai error found])
cat conftest.i | grep gaierrval: >>$2],
- [AC_MSG_RESULT([no])])])
+ [AC_MSG_RESULT([no])])
+ CPPFLAGS="$saved_cppflags"])
AC_DEFUN([L_CHECKGAIERROR],
[checkgaierror($@)])
|