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Diederik de Groot 305ce3defd Update configure.ac/Makefile for clang ... Created autoconf/ast_check_raii.m4: contains AST_CHECK_RAII which checks compiler requirements for RAII: gcc: -fnested-functions support clang: -fblocks (and if required -lBlocksRuntime) The original check was implemented in configure.ac and now has it's own file. This function also sets C_COMPILER_FAMILY to either gcc or clang for use by makefile Created autoconf/ast_check_strsep_array_bounds.m4 (contains AST_CHECK_STRSEP_ARRAY_BOUNDS): which checks if clang is able to handle the optimized strsep & strcmp functions (linux). If not, the standard libc implementation should be used instead. Clang + the optimized macro's work with: strsep(char *, char []), but not with strsepo(char *, char *). Instead of replacing all the occurences throughout the source code, not using the optimized macro version seemed easier See 'define __strcmp_gc(s1, s2, l2) in bits/string2.h': llvm-comment: Normally, this array-bounds warning are suppressed for macros, so that unused paths like the one that accesses __s1[3] are not warned about. But if you preprocess manually, and feed the result to another instance of clang, it will warn about all the possible forks of this particular if statement. Instead of switching of this optimization, another solution would be to run the preproces- sing step with -frewrite-includes, which should preserve enough information so that clang should still be able to suppress the diag- nostic at the compile step later on. See also "https://llvm.org/bugs/show_bug.cgi?id=20144" See also "https://llvm.org/bugs/show_bug.cgi?id=11536" Makefile.rules: If C_COMPILER_FAMILY=clang then add two warning suppressions: -Wno-unused-value -Wno-parentheses-equality In an earlier review (reviewboard: 4550 and 4554), they were deemed a nuisace and less than benefitial. configure.ac: Added AST_CHECK_RAII() see earlier Added AST_CHECK_STRSEP_ARRAY_BOUNDS() see earlier Removed moved content ASTERISK-24917 Change-Id: I12ea29d3bda2254ad3908e279b7effbbac6a97cb		10 years ago
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acx_pthread.m4	Merged revisions 151240 via svnmerge from	17 years ago
ast_c_compile_check.m4	Cleanup a bit more by getting rid of useless version defines. Also make library detection use passed CFLAGS.	15 years ago
ast_c_declare_check.m4	Fix compile problem when old version of libvorbisfile v1.1.2 is used.	13 years ago
ast_c_define_check.m4	Cleanup a bit more by getting rid of useless version defines. Also make library detection use passed CFLAGS.	15 years ago
ast_check_gnu_make.m4	Merged revisions 180941 via svnmerge from	16 years ago
ast_check_mandatory.m4	Merged revisions 151240 via svnmerge from	17 years ago
ast_check_openh323.m4	Allow H.323 Plus library to be used in addition to the OpenH323 library	16 years ago
ast_check_osptk.m4	Update configure script to check for OSP toolkit 3.5.0.	16 years ago
ast_check_pwlib.m4	Update configure script to be compatible with ptlib 2.10.9	12 years ago
ast_check_raii.m4	Update configure.ac/Makefile for clang	10 years ago
ast_check_strsep_array_bounds.m4	Update configure.ac/Makefile for clang	10 years ago
ast_ext_lib.m4	Fix whitespace in AST_EXT_LIB_CHECK macro.	12 years ago
ast_ext_tool_check.m4	Add missing file from previous commit.	11 years ago
ast_func_fork.m4	Merged revisions 277738 via svnmerge from	15 years ago
ast_gcc_attribute.m4	Ensure that all AC_LANG_PROGRAM calls in the configure script are properly quoted.	13 years ago
ast_pkgconfig.m4	Macro AST_PKG_CONFIG_CHECK to use chkconfig	13 years ago
ast_prog_egrep.m4	Merged revisions 151240 via svnmerge from	17 years ago
ast_prog_ld.m4	Merged revisions 151240 via svnmerge from	17 years ago
ast_prog_ld_gnu.m4	Merged revisions 151240 via svnmerge from	17 years ago
ast_prog_sed.m4	Merged revisions 180941 via svnmerge from	16 years ago
libcurl.m4	Ensure that all AC_LANG_PROGRAM calls in the configure script are properly quoted.	13 years ago