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Treat warnings as errors when checking if a GCC attribute exists. We have to do this as GCC will just ignore the attribute and pop up a warning, it won't actually fail to compile.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@115276 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Joshua Colp
2008-05-04 01:43:26 +00:00
parent 61bee5aa54
commit 65e2b0a8fb
2 changed files with 30 additions and 2 deletions
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6
acinclude.m4
View File

@@ -3,13 +3,17 @@
AC_DEFUN([AST_GCC_ATTRIBUTE],
[
AC_MSG_CHECKING(for compiler 'attribute $1' support)
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror"
AC_COMPILE_IFELSE(
AC_LANG_PROGRAM([static int __attribute__(($1)) test(void) {}],
[]),
AC_MSG_RESULT(yes)
AC_DEFINE_UNQUOTED([HAVE_ATTRIBUTE_$1], 1, [Define to 1 if your GCC C compiler supports the '$1' attribute.]),
AC_MSG_RESULT(no))
])
]
CFLAGS="$saved_CFLAGS"
)
# AST_EXT_LIB_SETUP([package symbol name], [package friendly name], [package option name], [additional help text])

26
configure vendored
View File

@@ -1,5 +1,5 @@
#! /bin/sh
# From configure.ac Revision: 114695 .
# From configure.ac Revision: 115257 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.61 for asterisk 1.4.
#
@@ -14892,6 +14892,8 @@ rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
{ echo "$as_me:$LINENO: checking for compiler 'attribute pure' support" >&5
echo $ECHO_N "checking for compiler 'attribute pure' support... $ECHO_C" >&6; }
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
@@ -14941,9 +14943,13 @@ fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
CFLAGS="$saved_CFLAGS"
{ echo "$as_me:$LINENO: checking for compiler 'attribute malloc' support" >&5
echo $ECHO_N "checking for compiler 'attribute malloc' support... $ECHO_C" >&6; }
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
@@ -14993,9 +14999,13 @@ fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
CFLAGS="$saved_CFLAGS"
{ echo "$as_me:$LINENO: checking for compiler 'attribute const' support" >&5
echo $ECHO_N "checking for compiler 'attribute const' support... $ECHO_C" >&6; }
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
@@ -15045,9 +15055,13 @@ fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
CFLAGS="$saved_CFLAGS"
{ echo "$as_me:$LINENO: checking for compiler 'attribute unused' support" >&5
echo $ECHO_N "checking for compiler 'attribute unused' support... $ECHO_C" >&6; }
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
@@ -15097,9 +15111,13 @@ fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
CFLAGS="$saved_CFLAGS"
{ echo "$as_me:$LINENO: checking for compiler 'attribute always_inline' support" >&5
echo $ECHO_N "checking for compiler 'attribute always_inline' support... $ECHO_C" >&6; }
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
@@ -15149,9 +15167,13 @@ fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
CFLAGS="$saved_CFLAGS"
{ echo "$as_me:$LINENO: checking for compiler 'attribute deprecated' support" >&5
echo $ECHO_N "checking for compiler 'attribute deprecated' support... $ECHO_C" >&6; }
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
@@ -15201,6 +15223,8 @@ fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
CFLAGS="$saved_CFLAGS"
{ echo "$as_me:$LINENO: checking for -ffunction-sections support" >&5
echo $ECHO_N "checking for -ffunction-sections support... $ECHO_C" >&6; }