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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-12-08 03:11:11 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-12-08 03:11:11 +0000
commitf2747b578245160fd900af7cdd828360ec7939a5 (patch)
treed5ee26d2f3d17df5f9355e83a739675959d6ea00 /configure.in
parent3e204989c1196982c0d016ff69d005c26885f824 (diff)
* configure.in (RUBY_WERROR_FLAG): append all warning flags which
are enabled to compile, so that printf format modifiers properly fail. [ruby-core:41351] [Bug #5679] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33978 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.in')
-rw-r--r--configure.in9
1 files changed, 5 insertions, 4 deletions
diff --git a/configure.in b/configure.in
index c6ef53fe63..7a6dcb61f6 100644
--- a/configure.in
+++ b/configure.in
@@ -418,6 +418,8 @@ dnl }
dnl compiler section {
AC_DEFUN([RUBY_WERROR_FLAG], [dnl
+save_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS $rb_cv_warnflags"
if test "${ac_c_werror_flag+set}"; then
rb_c_werror_flag="$ac_c_werror_flag"
else
@@ -425,6 +427,8 @@ else
fi
ac_c_werror_flag=yes
$1
+CFLAGS="$save_CFLAGS"
+save_CFLAGS=
if test "${rb_c_werror_flag+set}"; then
ac_c_werror_flag="$rb_c_werror_flag"
else
@@ -432,18 +436,15 @@ else
fi])
AC_DEFUN(RUBY_TRY_CFLAGS, [
- save_CFLAGS="$CFLAGS"
- CFLAGS="[$]CFLAGS $1"
AC_MSG_CHECKING([whether ]$1[ is accepted as CFLAGS])
RUBY_WERROR_FLAG([
+ CFLAGS="[$]CFLAGS $1"
AC_TRY_COMPILE([$4], [$5],
[$2
AC_MSG_RESULT(yes)],
[$3
AC_MSG_RESULT(no)])
])
- CFLAGS="$save_CFLAGS"
- save_CFLAGS=
])
AC_DEFUN(RUBY_TRY_LDFLAGS, [