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path: root/autoconf/ast_gcc_attribute.m4
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2017-12-02autoconf: Remove use of m4_ifblank.Corey Farrell
The m4_ifblank macro is not available on CentOS 6, reverse conditionals to allow use of m4_ifval instead. ./bootstrap.sh was run but this patch does not result in any difference to the generated configure script. Change-Id: I280785deb872ed8d3339d99cce63a2b54d5f1438
2017-11-28autoconf: Use m4 conditionals where possible.Corey Farrell
Change-Id: I530c0a72f965437acef6a9a4fbfe5c487f078b65
2017-11-13Build: Make function constructor/destructor attributes mandatory.Corey Farrell
This change causes the configure script to fail if the C compiler does not support both function attributes constructor and destructor. These were already required as modules cannot function without these attributes and Asterisk requires modules. This also has AST_GCC_ATTRIBUTE set a variable ax_cv_have_func_attribute_$1. This is the same variable name used by autoconf-archive's AX_GCC_FUNC_ATTRIBUTE, used for the same purpose. Change-Id: Id68e8a1447f2a6d707c54b56350e7bfdb33fb663
2015-06-10weakref attribute detection broken with gcc 4.6 and higheribercom
GCC 4.7 Manual: http://gcc.gnu.org/onlinedocs/gcc-4.7.4/gcc/Function-Attributes.html weakref ("target") A weak reference is an alias that does not by itself require a definition to be given for the target symbol. ASTERISK-22559 #close Reported by: Ibercom Change-Id: I36a136cae947b65187a697533416f9ff9a0b8cdf
2012-01-14Ensure that all AC_LANG_PROGRAM calls in the configure script are properly ↵Kevin P. Fleming
quoted. Recent versions of autoconf (2.68 on my system) won't properly process the configure script unless every call to AC_LANG_PROGRAM is m4-quoted. Many calls in the script were, but many were not. This patch corrects the unquoted calls. ........ Merged revisions 350837 from http://svn.asterisk.org/svn/asterisk/branches/1.8 ........ Merged revisions 350838 from http://svn.asterisk.org/svn/asterisk/branches/10 git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@350839 65c4cc65-6c06-0410-ace0-fbb531ad65f3
2010-07-15Quote AC_SUBST within m4_ifval, so it does not get prematurely expanded.Tilghman Lesher
(closes issue #17654) Reported by: pprindeville Patches: issue17654.diff uploaded by qwell (license 4) Tested by: qwell, pprindeville git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@276830 65c4cc65-6c06-0410-ace0-fbb531ad65f3
2010-07-15Fix linking asterisk on CentOS 5, which is using gcc 4.1.1. Gcc 4.1.2 has ↵Tilghman Lesher
the real fix. Review: https://reviewboard.asterisk.org/r/790/ git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@276731 65c4cc65-6c06-0410-ace0-fbb531ad65f3
2009-06-16Another minor fix to compiler attribute checking.Kevin P. Fleming
Defaulting to 'static' for the function scope was bad... so remove it. git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@201090 65c4cc65-6c06-0410-ace0-fbb531ad65f3
2009-06-16Fix problems with new compiler attribute checking in configure script.Kevin P. Fleming
The last changes to ast_gcc_attribute.m4 caused some problems checking for various attributes, because the scope of the symbol the attribute is applied to can be important; this patch allows the scope to be specified for the check. git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@200985 65c4cc65-6c06-0410-ace0-fbb531ad65f3
2009-06-16Ensure that configure-script testing for compiler attributes actually works.Kevin P. Fleming
The configure script tests for compiler attributes didn't actually enable enough warnings or provide a proper test harness to determine whether the compiler supports the attribute in question or not; this caused gcc 4.1 to report that it supports 'weakref', but it doesn't actually support it in the way that is needed for our optional API mechanism. The new configure script test will properly distinguish between full support and partial support for this attribute, among others. git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@200764 65c4cc65-6c06-0410-ace0-fbb531ad65f3
2008-11-26improve handling of API calls provided by loaded modules through use of some ↵Kevin P. Fleming
GCC features; this makes app_stack's usage of AGI APIs even cleaner, and will allow it to work 'as expected' either with or without res_agi being loaded reviewed at http://reviewboard.digium.com/r/62 git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@159631 65c4cc65-6c06-0410-ace0-fbb531ad65f3
2008-11-02instead of trying to forcibly load res_agi when app_stack is loaded (even if ↵Kevin P. Fleming
the administrator didn't want it loaded), use GCC weak symbols to determine whether it was loaded already or not; if it was loaded, then use it. git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@153709 65c4cc65-6c06-0410-ace0-fbb531ad65f3
2008-10-20Merged revisions 151240 via svnmerge from Kevin P. Fleming
https://origsvn.digium.com/svn/asterisk/branches/1.4 ........ r151240 | kpfleming | 2008-10-20 07:45:56 +0300 (Mon, 20 Oct 2008) | 3 lines break up acinclude.m4 into individual files, which will make it easier to maintain, easier to add new macros (less patching) and will ease maintenance of these macros across Asterisk branches ........ git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@151242 65c4cc65-6c06-0410-ace0-fbb531ad65f3
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