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http://lists.gnu.org/archive/html/bug-ed/2008-12/msg00001.html
2007-04-16 Mike Frysinger <vapier@gentoo.org>
* Do not set CC/CXX/CPPFLAGS/LDFLAGS to "" so that user can
override if they so choose.
* Only set CFLAGS/CXXFLAGS if user did not specify any.
ed had already taken GPLv3 when this patch out, so it should be GPLv3.
Signed-off-by: Zhai Edwin <edwin.zhai@intel.com>
Index: ed-1.4/configure
===================================================================
--- ed-1.4.orig/configure 2009-07-10 19:54:33.000000000 +0800
+++ ed-1.4/configure 2010-08-05 17:41:51.000000000 +0800
@@ -26,12 +26,6 @@
mandir='$(datadir)/man'
sysconfdir='$(prefix)/etc'
program_prefix=
-CC=
-CXX=
-CPPFLAGS=
-CFLAGS='-Wall -W -O2'
-CXXFLAGS='-Wall -W -O2'
-LDFLAGS=
# Loop over all args
while [ x"$1" != x ] ; do
@@ -111,6 +105,14 @@
esac
done
+# Defaults if the user did not select any
+if [ x"${CFLAGS+set}" != xset ] ; then
+ CFLAGS='-Wall -W -O2'
+fi
+if [ x"${CXXFLAGS+set}" != xset ] ; then
+ CXXFLAGS='-Wall -W -O2'
+fi
+
# Find the source files, if location was not specified.
srcdirtext=
if [ x"${srcdir}" = x ] ; then
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