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-rw-r--r--ares/m4/cares-compilers.m481
1 files changed, 51 insertions, 30 deletions
diff --git a/ares/m4/cares-compilers.m4 b/ares/m4/cares-compilers.m4
index 3e4b158fc..deaab26ba 100644
--- a/ares/m4/cares-compilers.m4
+++ b/ares/m4/cares-compilers.m4
@@ -16,7 +16,7 @@
#***************************************************************************
# File version for 'aclocal' use. Keep it a single number.
-# serial 41
+# serial 42
dnl CARES_CHECK_COMPILER
@@ -923,39 +923,60 @@ AC_DEFUN([CARES_SET_COMPILER_WARNING_OPTS], [
tmp_CPPFLAGS="$tmp_CPPFLAGS -Wall -w2"
dnl Perform extra compile-time code checking
tmp_CPPFLAGS="$tmp_CPPFLAGS -Wcheck"
+ dnl Warn on nested comments
+ tmp_CPPFLAGS="$tmp_CPPFLAGS -Wcomment"
+ dnl Show warnings relative to deprecated features
+ tmp_CPPFLAGS="$tmp_CPPFLAGS -Wdeprecated"
+ dnl Enable warnings for missing prototypes
+ tmp_CPPFLAGS="$tmp_CPPFLAGS -Wmissing-prototypes"
+ dnl Enable warnings for 64-bit portability issues
+ tmp_CPPFLAGS="$tmp_CPPFLAGS -Wp64"
+ dnl Enable warnings for questionable pointer arithmetic
+ tmp_CPPFLAGS="$tmp_CPPFLAGS -Wpointer-arith"
+ dnl Check for function return typw issues
+ tmp_CPPFLAGS="$tmp_CPPFLAGS -Wreturn-type"
+ dnl Warn on variable declarations hiding a previous one
+ tmp_CPPFLAGS="$tmp_CPPFLAGS -Wshadow"
+ dnl Warn when a variable is used before initialized
+ tmp_CPPFLAGS="$tmp_CPPFLAGS -Wuninitialized"
+ dnl Warn if a declared function is not used
+ tmp_CPPFLAGS="$tmp_CPPFLAGS -Wunused-function"
fi
dnl Disable using EBP register in optimizations
tmp_CFLAGS="$tmp_CFLAGS -fno-omit-frame-pointer"
- dnl Disable inlining of user-defined functions
- tmp_CFLAGS="$tmp_CFLAGS -Ob0"
- dnl Disable inline expansion of intrinsic functions
- tmp_CFLAGS="$tmp_CFLAGS -fno-builtin"
- dnl Disable inlining of functions
- tmp_CFLAGS="$tmp_CFLAGS -fno-inline"
- dnl Disable some IPO for single file optimizations
- tmp_CFLAGS="$tmp_CFLAGS -fno-inline-functions"
- dnl Disable inlining of standard library functions
- tmp_CFLAGS="$tmp_CFLAGS -nolib-inline"
- dnl Disable full and partial inlining when IPO
- tmp_CFLAGS="$tmp_CFLAGS -ip-no-inlining"
- dnl Enable floating-point stack integrity checks
- tmp_CFLAGS="$tmp_CFLAGS -fpstkchk"
- dnl Enable run-time detection of buffer overruns.
- tmp_CFLAGS="$tmp_CFLAGS -fstack-security-check"
dnl Disable use of ANSI C aliasing rules in optimizations
tmp_CFLAGS="$tmp_CFLAGS -no-ansi-alias"
- dnl Disable floating point optimizations
- tmp_CFLAGS="$tmp_CFLAGS -fp-model precise"
- dnl Assume aliasing in the program.
- tmp_CFLAGS="$tmp_CFLAGS -falias"
- dnl Assume that arguments may be aliased.
- tmp_CFLAGS="$tmp_CFLAGS -alias-args"
- dnl Assume aliasing within functions
- tmp_CFLAGS="$tmp_CFLAGS -ffnalias"
- dnl Disable prefetch insertion optimization
- tmp_CFLAGS="$tmp_CFLAGS -no-prefetch"
- dnl Disable loop unrolling optimization
- tmp_CFLAGS="$tmp_CFLAGS -unroll0"
+ dnl Disable some optimizations to debug icc 9.1 SIGSEGV
+ if test "$INTEL_UNIX_C_OPT_SIGSEGV" = "yes"; then
+ dnl Disable inlining of user-defined functions
+ tmp_CFLAGS="$tmp_CFLAGS -Ob0"
+ dnl Disable inline expansion of intrinsic functions
+ tmp_CFLAGS="$tmp_CFLAGS -fno-builtin"
+ dnl Disable inlining of functions
+ tmp_CFLAGS="$tmp_CFLAGS -fno-inline"
+ dnl Disable some IPO for single file optimizations
+ tmp_CFLAGS="$tmp_CFLAGS -fno-inline-functions"
+ dnl Disable inlining of standard library functions
+ tmp_CFLAGS="$tmp_CFLAGS -nolib-inline"
+ dnl Disable full and partial inlining when IPO
+ tmp_CFLAGS="$tmp_CFLAGS -ip-no-inlining"
+ dnl Enable floating-point stack integrity checks
+ tmp_CFLAGS="$tmp_CFLAGS -fpstkchk"
+ dnl Enable run-time detection of buffer overruns.
+ tmp_CFLAGS="$tmp_CFLAGS -fstack-security-check"
+ dnl Disable floating point optimizations
+ tmp_CFLAGS="$tmp_CFLAGS -fp-model precise"
+ dnl Assume aliasing in the program.
+ tmp_CFLAGS="$tmp_CFLAGS -falias"
+ dnl Assume that arguments may be aliased.
+ tmp_CFLAGS="$tmp_CFLAGS -alias-args"
+ dnl Assume aliasing within functions
+ tmp_CFLAGS="$tmp_CFLAGS -ffnalias"
+ dnl Disable prefetch insertion optimization
+ tmp_CFLAGS="$tmp_CFLAGS -no-prefetch"
+ dnl Disable loop unrolling optimization
+ tmp_CFLAGS="$tmp_CFLAGS -unroll0"
+ fi
fi
;;
#
@@ -970,7 +991,7 @@ AC_DEFUN([CARES_SET_COMPILER_WARNING_OPTS], [
if test "$want_warnings" = "yes"; then
dnl Highest warning level is double -A, next is single -A.
dnl Due to the big number of warnings these trigger on third
- dnl party header files it is impratical for us to use any of
+ dnl party header files it is impractical for us to use any of
dnl them here. If you want them simply define it in CPPFLAGS.
tmp_CFLAGS="$tmp_CFLAGS"
fi