build-sys: move the optimization flags to AM_CFLAGS

The optimization flags are not preprocessor flags.
Moreover, CPPFLAGS and CFLAGS shall be overridable at make time, the
configure script shall not touch them.
Setting AM_CFLAGS in config/include-Makefile.am seems to be TRW.

Signed-off-by: Stepan Kasal <skasal@redhat.com>

diff --git a/config/include-Makefile.am b/config/include-Makefile.am
index d3fffa760ed2f88174c185e4b49ec897550f65fb..61d45cd20fe887241b2412c5deeffb998f7b1b58 100644 (file)
--- a/config/include-Makefile.am
+++ b/config/include-Makefile.am
@@ -5,6 +5,7 @@ infodir = $(datadir)/info
 mandir = $(datadir)/man
 
 AM_CPPFLAGS = -include $(top_builddir)/config.h -I$(top_srcdir)/include
+AM_CFLAGS = -fsigned-char -fomit-frame-pointer
 
 DEFS = -DLOCALEDIR=\"$(localedir)\" @DEFS@
 

diff --git a/configure.ac b/configure.ac
index d24ce099535d4d3c4cfd8c4e6d542866400e11dd..8b62decf1139bfb1e9cb3891869cc66645447fc2 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -401,8 +401,6 @@ fi
 
 AC_SUBST([SUID_CFLAGS])
 
-CPPFLAGS="-fsigned-char -fomit-frame-pointer $CPPFLAGS"
-
 LIBS=""