From b672e5530bd036eab6dd2aefbd0ab936517fbae4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niels=20M=C3=B6ller?= <nisse@lysator.liu.se>
Date: Thu, 8 May 2014 17:18:11 +0200
Subject: [PATCH] When CC_FOR_BUILD is gcc, add -O flag.
---
ChangeLog | 5 +++++
aclocal.m4 | 23 ++++++++++++++---------
2 files changed, 19 insertions(+), 9 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index a42d259a..127dbd35 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2014-05-08 Niels Möller <nisse@lysator.liu.se>
+
+ * aclocal.m4 (GMP_PROG_CC_FOR_BUILD): If CC_FOR_BUILD is gcc, add
+ -O option. This makes eccdata twice as fast.
+
2014-05-06 Niels Möller <nisse@lysator.liu.se>
* nettle.texinfo: Document SHA3 and ChaCha-Poly1305 as
diff --git a/aclocal.m4 b/aclocal.m4
index 98b399b6..4e23ef8d 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -513,16 +513,21 @@ elif test -n "$HOST_CC"; then
GMP_PROG_CC_FOR_BUILD_WORKS($HOST_CC,
[CC_FOR_BUILD=$HOST_CC],
[AC_MSG_ERROR([Specified HOST_CC doesn't seem to work])])
-elif test $cross_compiling = no ; then
- CC_FOR_BUILD="$CC"
else
- for i in cc gcc c89 c99; do
- GMP_PROG_CC_FOR_BUILD_WORKS($i,
- [CC_FOR_BUILD=$i
- break])
- done
- if test -z "$CC_FOR_BUILD"; then
- AC_MSG_ERROR([Cannot find a build system compiler])
+ if test $cross_compiling = no ; then
+ CC_FOR_BUILD="$CC"
+ else
+ for i in gcc cc c89 c99; do
+ GMP_PROG_CC_FOR_BUILD_WORKS($i,
+ [CC_FOR_BUILD=$i
+ break])
+ done
+ if test -z "$CC_FOR_BUILD"; then
+ AC_MSG_ERROR([Cannot find a build system compiler])
+ fi
+ fi
+ if test "$CC_FOR_BUILD" = gcc ; then
+ CC_FOR_BUILD="$CC_FOR_BUILD -O"
fi
fi
--
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