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-rw-r--r--ares/m4/cares-compilers.m422
1 files changed, 17 insertions, 5 deletions
diff --git a/ares/m4/cares-compilers.m4 b/ares/m4/cares-compilers.m4
index a799f8c8e..3e4b158fc 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 39
+# serial 41
dnl CARES_CHECK_COMPILER
@@ -185,6 +185,7 @@ AC_DEFUN([CARES_CHECK_COMPILER_INTEL_C], [
CURL_CHECK_DEF([__INTEL_COMPILER], [], [silent])
if test "$curl_cv_have_def___INTEL_COMPILER" = "yes"; then
AC_MSG_RESULT([yes])
+ CURL_CHECK_DEF([__i386__], [], [silent])
CURL_CHECK_DEF([__unix__], [], [silent])
if test "$curl_cv_have_def___unix__" = "yes"; then
compiler_id="INTEL_UNIX_C"
@@ -194,6 +195,13 @@ AC_DEFUN([CARES_CHECK_COMPILER_INTEL_C], [
flags_opt_all="-O -O0 -O1 -O2 -O3 -Os"
flags_opt_yes="-O2"
flags_opt_off="-O0"
+ dnl icc 9.1 optimization on IA32 triggers SIGSEGV
+ if test "$curl_cv_have_def___i386__" = "yes" &&
+ test "$compiler_num" -eq "910"; then
+ INTEL_UNIX_C_OPT_SIGSEGV="yes"
+ else
+ INTEL_UNIX_C_OPT_SIGSEGV="no"
+ fi
else
compiler_id="INTEL_WINDOWS_C"
flags_dbg_all="/ZI /Zi /zI /zi /ZD /Zd /zD /zd /Z7 /z7 /Oy /Oy-"
@@ -915,11 +923,11 @@ 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 Generate inlining diagnostics
- tmp_CPPFLAGS="$tmp_CPPFLAGS -Winline"
fi
dnl Disable using EBP register in optimizations
tmp_CFLAGS="$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
@@ -928,8 +936,8 @@ AC_DEFUN([CARES_SET_COMPILER_WARNING_OPTS], [
tmp_CFLAGS="$tmp_CFLAGS -fno-inline-functions"
dnl Disable inlining of standard library functions
tmp_CFLAGS="$tmp_CFLAGS -nolib-inline"
- dnl Disable inlining of user-defined functions
- tmp_CFLAGS="$tmp_CFLAGS -Ob0"
+ dnl Disable full and partial inlining when IPO
+ tmp_CFLAGS="$tmp_CFLAGS -ip-no-inlining"
dnl Enable floating-point stack integrity checks
tmp_CFLAGS="$tmp_CFLAGS -fpstkchk"
dnl Enable run-time detection of buffer overruns.
@@ -944,6 +952,10 @@ AC_DEFUN([CARES_SET_COMPILER_WARNING_OPTS], [
tmp_CFLAGS="$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
;;
#