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-rw-r--r--ares/m4/cares-compilers.m439
1 files changed, 38 insertions, 1 deletions
diff --git a/ares/m4/cares-compilers.m4 b/ares/m4/cares-compilers.m4
index e628d495d..674ab3308 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 19
+# serial 20
dnl CARES_CHECK_COMPILER
@@ -40,6 +40,7 @@ AC_DEFUN([CARES_CHECK_COMPILER], [
CARES_CHECK_COMPILER_IBM
CARES_CHECK_COMPILER_INTEL
CARES_CHECK_COMPILER_GNU
+ CARES_CHECK_COMPILER_LCC
CARES_CHECK_COMPILER_SGI
CARES_CHECK_COMPILER_SUN
#
@@ -214,6 +215,28 @@ AC_DEFUN([CARES_CHECK_COMPILER_INTEL], [
])
+dnl CARES_CHECK_COMPILER_LCC
+dnl -------------------------------------------------
+dnl Verify if the C compiler being used is LCC.
+
+AC_DEFUN([CARES_CHECK_COMPILER_LCC], [
+ AC_MSG_CHECKING([whether we are using the LCC C compiler])
+ CURL_CHECK_DEF([__LCC__], [], [silent])
+ if test "$curl_cv_have_def___LCC__" = "yes"; then
+ AC_MSG_RESULT([yes])
+ compiler_id="LCC"
+ flags_dbg_all="-g"
+ flags_dbg_yes="-g"
+ flags_dbg_off=""
+ flags_opt_all=""
+ flags_opt_yes=""
+ flags_opt_off=""
+ else
+ AC_MSG_RESULT([no])
+ fi
+])
+
+
dnl CARES_CHECK_COMPILER_SGI
dnl -------------------------------------------------
dnl Verify if the C compiler being used is SGI's.
@@ -462,6 +485,12 @@ AC_DEFUN([CARES_SET_COMPILER_BASIC_OPTS], [
tmp_CFLAGS="$tmp_CFLAGS"
;;
#
+ LCC)
+ #
+ dnl Disallow run-time dereferencing of null pointers
+ tmp_CFLAGS="$tmp_CFLAGS -n"
+ ;;
+ #
SGIC)
#
dnl Placeholder
@@ -723,6 +752,14 @@ AC_DEFUN([CARES_SET_COMPILER_WARNING_OPTS], [
tmp_CFLAGS="$tmp_CFLAGS"
;;
#
+ LCC)
+ #
+ if test "$want_warnings" = "yes"; then
+ dnl Highest warning level is double -A
+ tmp_CFLAGS="$tmp_CFLAGS -A -A"
+ fi
+ ;;
+ #
SGIC)
#
if test "$want_warnings" = "yes"; then