From: David Levine <levinedl@acm.org>
Date: Wed, 11 Dec 2013 01:05:32 +0000 (-0600)
Subject: OK, use SunStudio cc, if present, on Solaris if user didn't set CC.
X-Git-Url: https://diplodocus.org/git/nmh/commitdiff_plain/42915204e00cf23697a491b8a998f9ccbf8cc349?ds=inline

OK, use SunStudio cc, if present, on Solaris if user didn't set CC.
And with it, use -v and suppress the statement not reached warning.
---

diff --git a/configure.ac b/configure.ac
index ee5ce452..e9bffec6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -97,16 +97,20 @@ if test x"$enable_debug" = x"yes"; then
   test -z "$LDFLAGS" && LDFLAGS=-g
 fi
 
-dnl Use SunStudio cc, with -v, on Solaris if user didn't set CC.
+dnl Use SunStudio cc, if present, on Solaris if user didn't set CC.
 if test -z "$CC"  -a  -d /opt/solarisstudio12.3/bin; then
   CC=/opt/solarisstudio12.3/bin/cc; export CC
-  ${CC} -V
-  CFLAGS="${CFLAGS:+$CFLAGS }-v -errtags=yes -erroff=E_STATEMENT_NOT_REACHED"
 fi
 
 AC_PROG_CC
 AM_PROG_CC_C_O
 
+dnl Use -v and some other options with SunStudio cc.
+case `cc -V` in
+  cc:\ Sun\ C*) CFLAGS="${CFLAGS:+$CFLAGS }-v -errtags=yes"
+                CFLAGS="${CFLAGS} -erroff=E_STATEMENT_NOT_REACHED" ;;
+esac
+
 AC_CACHE_CHECK([whether compiler supports -Wextra], [nmh_cv_has_wextra],
 [nmh_saved_cflags="$CFLAGS"
  CFLAGS="$CFLAGS -Wextra -Werror"