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| author | Dave Beckett <dave@dajobe.org> | 2017-01-08 13:57:31 -0800 |
|---|---|---|
| committer | Dave Beckett <dave@dajobe.org> | 2017-01-08 13:57:31 -0800 |
| commit | 0a196219b3b4873eb882f01a374f8356061c30af (patch) | |
| tree | db8db80d191734f1a0ed4381a0dfa7663c3951b8 /configure.ac | |
| parent | f7064a52602b29885d8d803ba2d3c12eeea93c6f (diff) | |
| download | raptor-0a196219b3b4873eb882f01a374f8356061c30af.tar.gz | |
Pull out OSX-specific and clang-specific warnings
OSX 10.2 + clang is too noisy with warnings in stdio.h
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 39 |
1 files changed, 34 insertions, 5 deletions
diff --git a/configure.ac b/configure.ac index 4e63f3e1..c769f9b4 100644 --- a/configure.ac +++ b/configure.ac @@ -71,6 +71,13 @@ AM_PROG_AR AC_PROG_CC AM_PROG_CC_C_O AC_MSG_CHECKING(whether $CC is clang) +CC_IS_CLANG=no +if $CC 2>&1 | grep clang >/dev/null 2>&1; then + CC_IS_CLANG=yes +else + : +fi +AC_MSG_RESULT($CC_IS_CLANG) dnl Initialize libtool LT_INIT @@ -221,8 +228,6 @@ AC_DEFUN([REDLAND_CC_TRY_FLAG], [ # -Wsystem-headers : not debugging system # -Wsign-conversion: : many int / unsigned int / size_t # -Wunused-parameter : variables can be marked __attribute__('unused') -# -# Apple gcc specific (probably): -Wshorten-64-to-32 possible_warnings="\ -Wall \ -Wc++-compat \ @@ -255,13 +260,10 @@ possible_warnings="\ -Wsign-compare \ -Wstrict-prototypes \ -Wswitch-enum \ --Wundef \ -Wunreachable-code \ -Wunsafe-loop-optimizations \ -Wwrite-strings \ \ --Wshorten-64-to-32 -\ -Wno-conversion \ -Wno-missing-field-initializers \ -Wno-sign-conversion \ @@ -275,6 +277,33 @@ possible_warnings="\ -Wc99-c11-compat \ " +# compiler specific warnings +if test $CC_IS_CLANG = yes; then + # Clang + # -Wno-nullability-completeness : too noisy on OSX reporting + # warnings in stdio.h + possible_warnings="$possible_warnings \ +-Wno-nullability-completeness +" +fi + +# OS specific warnings +case "${host_os}" in + darwin*) + # Apple gcc/clang specific: + # -Wshorten-64-to-32 + possible_warnings="$possible_warnings \ +-Wshorten-64-to-32 \ +" + ;; + *) + # -Wundef : too noisy on OSX 10.12+ e.g. stdio.h fails + possible_warnings="$possible_warnings \ +-Wundef +" + ;; +esac + warning_cflags= if test "$USE_MAINTAINER_MODE" = yes; then AC_MSG_CHECKING(for supported $CC warning flags) |