[PPL-devel] [GIT] ppl/ppl(floating_point): Added missing uses of AC_LANG_SOURCE.

[Roberto Bagnara]

Module: ppl/ppl
Branch: floating_point
Commit: 0bb0a14d690bda10c0893e11b6019128b3c4908e
URL:    http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=0bb0a14d690bda10c0893e11b6019128b3c4908e

Author: Roberto Bagnara <bagnara at cs.unipr.it>
Date:   Fri Sep 24 19:48:27 2010 +0200

Added missing uses of AC_LANG_SOURCE.

---

 m4/ac_check_ciao.m4       |    7 ++++---
 m4/ac_check_swi_prolog.m4 |    7 ++++---
 m4/ac_prog_javah.m4       |    9 ++++++---
 3 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/m4/ac_check_ciao.m4 b/m4/ac_check_ciao.m4
index 6b8149c..04ede7d 100644
--- a/m4/ac_check_ciao.m4
+++ b/m4/ac_check_ciao.m4
@@ -55,13 +55,14 @@ _CIAO_PRINT_INCLUDE_DIR_EOF
   AC_LANG_PUSH(C++)
   AC_CHECK_HEADER(ciao_prolog.h,
                   AC_MSG_CHECKING([for Ciao Prolog version x.y.z or later])
-                  AC_COMPILE_IFELSE(
-[#include <ciao_prolog.h>
+                  AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+#include <ciao_prolog.h>
 
 int
 main() {
   return 0;
-}],
+}
+                    ]])],
                     AC_MSG_RESULT(yes),
                     ciao_prolog=""
                     AC_MSG_RESULT(no)
diff --git a/m4/ac_check_swi_prolog.m4 b/m4/ac_check_swi_prolog.m4
index daed0a7..bc21631 100644
--- a/m4/ac_check_swi_prolog.m4
+++ b/m4/ac_check_swi_prolog.m4
@@ -68,8 +68,8 @@ then
   # We require SWI-Prolog 5.6.0 or later.
   AC_CHECK_HEADER(SWI-Prolog.h,
                   AC_MSG_CHECKING([for SWI-Prolog version 5.6.0 or later])
-                  AC_COMPILE_IFELSE(
-[#include <SWI-Prolog.h>
+                  AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+#include <SWI-Prolog.h>
 
 int
 main() {
@@ -79,7 +79,8 @@ main() {
 
   ;
   return 0;
-}],
+}
+                    ]])],
                     AC_MSG_RESULT(yes),
                     swi_prolog=""
                     AC_MSG_RESULT(no)
diff --git a/m4/ac_prog_javah.m4 b/m4/ac_prog_javah.m4
index 4e2a43c..e1226a0 100644
--- a/m4/ac_prog_javah.m4
+++ b/m4/ac_prog_javah.m4
@@ -26,6 +26,7 @@
 AC_DEFUN([AC_PROG_JAVAH],[
 AC_REQUIRE([AC_CANONICAL_HOST])dnl
 AC_REQUIRE([AC_PROG_CPP])dnl
+AC_LANG_PUSH(C++)dnl
 if test "x$JAVAPREFIX" = x; then
         AC_CHECK_PROGS(JAVAH,javah, no)
 else
@@ -33,7 +34,7 @@ else
 fi
 
 if test x"`eval 'echo $ac_cv_path_JAVAH'`" != xno ; then
-  AC_PREPROC_IFELSE([#include <jni.h> ] ,,[
+  AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <jni.h>]]) ] ,,[
     ac_save_CPPFLAGS="$CPPFLAGS"
 changequote(, )dnl
     ac_dir=`echo $ac_cv_path_JAVAH | sed 's,\(.*\)/[^/]*/[^/]*$,\1/include,'`
@@ -42,9 +43,11 @@ changequote([, ])dnl
     JNIFLAGS="-I$ac_dir -I$ac_dir/$ac_machdep"
     CPPFLAGS="$ac_save_CPPFLAGS $JNIFLAGS"
     AC_SUBST(JNIFLAGS)
-    AC_PREPROC_IFELSE([#include <jni.h>],
+    AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <jni.h>]])],
                CPPFLAGS="$ac_save_CPPFLAGS",
                AC_MSG_WARN([unable to include <jni.h>])
 	       JAVAH=no)
     CPPFLAGS="$ac_save_CPPFLAGS"])
-fi])
+fi
+AC_LANG_POP(C++)
+])