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-rw-r--r--ares/m4/cares-compilers.m49
1 files changed, 9 insertions, 0 deletions
diff --git a/ares/m4/cares-compilers.m4 b/ares/m4/cares-compilers.m4
index b6fbff98a..04c002631 100644
--- a/ares/m4/cares-compilers.m4
+++ b/ares/m4/cares-compilers.m4
@@ -951,8 +951,17 @@ AC_DEFUN([CARES_SET_COMPILER_WARNING_OPTS], [
tmp_CFLAGS="$tmp_CFLAGS -no-ansi-alias"
dnl Value-safe optimizations on floating-point data
tmp_CFLAGS="$tmp_CFLAGS -fp-model precise"
+ dnl Only icc 10.0 or later
+ if test "$compiler_num" -ge "1000"; then
+ dnl Disable vectorizer diagnostic information
+ tmp_CFLAGS="$tmp_CFLAGS -vec-report0"
+ fi
dnl Disable some optimizations to debug icc 9.1 SIGSEGV
if test "$INTEL_UNIX_C_OPT_SIGSEGV" = "yes"; then
+ dnl Disable interprocedural optimizations
+ tmp_CFLAGS="$tmp_CFLAGS -no-ip -no-ipo"
+ dnl Separate functions for the linker
+ tmp_CFLAGS="$tmp_CFLAGS -ffunction-sections"
dnl Disable inlining of user-defined functions
tmp_CFLAGS="$tmp_CFLAGS -Ob0"
dnl Disable inline expansion of intrinsic functions