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-rw-r--r--ares/m4/cares-compilers.m448
1 files changed, 48 insertions, 0 deletions
diff --git a/ares/m4/cares-compilers.m4 b/ares/m4/cares-compilers.m4
index 4ffa0d25d..c1b123a45 100644
--- a/ares/m4/cares-compilers.m4
+++ b/ares/m4/cares-compilers.m4
@@ -40,6 +40,7 @@ AC_DEFUN([CARES_CHECK_COMPILER], [
CARES_CHECK_COMPILER_IBM
CARES_CHECK_COMPILER_INTEL
CARES_CHECK_COMPILER_GNU
+ CARES_CHECK_COMPILER_SGI
CARES_CHECK_COMPILER_SUN
#
if test "$compiler_id" = "unknown"; then
@@ -213,6 +214,40 @@ AC_DEFUN([CARES_CHECK_COMPILER_INTEL], [
])
+dnl CARES_CHECK_COMPILER_SGI
+dnl -------------------------------------------------
+dnl Verify if the C compiler being used is SGI's.
+
+AC_DEFUN([CARES_CHECK_COMPILER_SGI], [
+ AC_MSG_CHECKING([whether we are using the SGI C compiler])
+ CURL_CHECK_DEF([_SGI_COMPILER_VERSION], [], [silent])
+ CURL_CHECK_DEF([_COMPILER_VERSION], [], [silent])
+ CURL_CHECK_DEF([__GNUC__], [], [silent])
+ CURL_CHECK_DEF([__sgi], [], [silent])
+ if test "$curl_cv_have_def___GNUC__ " = "no"; then
+ if test "$curl_cv_have_def__SGI_COMPILER_VERSION" = "yes"; then
+ compiler_id="SGIC"
+ fi
+ if test "$curl_cv_have_def__COMPILER_VERSION " = "yes" &&
+ test "$curl_cv_have_def___sgi " = "yes"; then
+ compiler_id="SGIC"
+ fi
+ fi
+ if test "$compiler_id" != "SGIC"; then
+ AC_MSG_RESULT([yes])
+ compiler_id="SGIC"
+ flags_dbg_all="-g -g0 -g1 -g2 -g3"
+ flags_dbg_yes="-g"
+ flags_dbg_off="-g0"
+ flags_opt_all="-O -O0 -O1 -O2 -O3 -Ofast"
+ flags_opt_yes="-O2"
+ flags_opt_off="-O0"
+ else
+ AC_MSG_RESULT([no])
+ fi
+])
+
+
dnl CARES_CHECK_COMPILER_SUN
dnl -------------------------------------------------
dnl Verify if the C compiler being used is SUN's.
@@ -381,6 +416,12 @@ AC_DEFUN([CARES_SET_COMPILER_BASIC_OPTS], [
tmp_CFLAGS="$tmp_CFLAGS"
;;
#
+ SGIC)
+ #
+ dnl Placeholder
+ tmp_CFLAGS="$tmp_CFLAGS"
+ ;;
+ #
SUNC)
#
dnl Placeholder
@@ -621,6 +662,13 @@ AC_DEFUN([CARES_SET_COMPILER_WARNING_OPTS], [
fi
fi
#
+ if test "$compiler_id" = "SGIC"; then
+ if test "$want_warnings" = "yes"; then
+ dnl Perform stricter semantic and lint-like checks
+ CFLAGS="$CFLAGS -fullwarn"
+ fi
+ fi
+ #
if test "$compiler_id" = "SUNC"; then
if test "$want_warnings" = "yes"; then
dnl Perform stricter semantic and lint-like checks