From: Ben Elliston <bje+keyword+gnu.7caf74@air.net.au>
Date: Thu, 31 Dec 1998 18:48:05 +0000 (+0000)
Subject: 1999-01-01  Ben Elliston  <bje@cygnus.com>
X-Git-Tag: autoconf-2-13-rc1~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8d15cc94264d36d8a11354c3e100bd691df05c3e;p=thirdparty%2Fautoconf.git

1999-01-01  Ben Elliston  <bje@cygnus.com>
	* acspecific.m4 (AC_PROG_CXX_WORKS): Specify an explicit return
	type for `main' to keep modern C++ compilers happy.
---

diff --git a/ChangeLog b/ChangeLog
index 4769c70c..a65fb247 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+1999-01-01  Ben Elliston  <bje@cygnus.com>
+
+	* acspecific.m4 (AC_PROG_CXX_WORKS): Specify an explicit return
+	type for `main' to keep modern C++ compilers happy.
+
 1998-12-27  Ben Elliston  <bje@cygnus.com>
 
 	* autoconf.texi (AC_PROG_INSTALL): Update.
diff --git a/acspecific.m4 b/acspecific.m4
index 66142d24..0b9aab74 100644
--- a/acspecific.m4
+++ b/acspecific.m4
@@ -217,7 +217,7 @@ AC_DEFUN(AC_PROG_CXX_WORKS,
 [AC_MSG_CHECKING([whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works])
 AC_LANG_SAVE
 AC_LANG_CPLUSPLUS
-AC_TRY_COMPILER([main(){return(0);}], ac_cv_prog_cxx_works, ac_cv_prog_cxx_cross)
+AC_TRY_COMPILER([int main(){return(0);}], ac_cv_prog_cxx_works, ac_cv_prog_cxx_cross)
 AC_LANG_RESTORE
 AC_MSG_RESULT($ac_cv_prog_cxx_works)
 if test $ac_cv_prog_cxx_works = no; then
diff --git a/lib/autoconf/specific.m4 b/lib/autoconf/specific.m4
index 66142d24..0b9aab74 100644
--- a/lib/autoconf/specific.m4
+++ b/lib/autoconf/specific.m4
@@ -217,7 +217,7 @@ AC_DEFUN(AC_PROG_CXX_WORKS,
 [AC_MSG_CHECKING([whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works])
 AC_LANG_SAVE
 AC_LANG_CPLUSPLUS
-AC_TRY_COMPILER([main(){return(0);}], ac_cv_prog_cxx_works, ac_cv_prog_cxx_cross)
+AC_TRY_COMPILER([int main(){return(0);}], ac_cv_prog_cxx_works, ac_cv_prog_cxx_cross)
 AC_LANG_RESTORE
 AC_MSG_RESULT($ac_cv_prog_cxx_works)
 if test $ac_cv_prog_cxx_works = no; then