[Pkg-gnupg-commit] [gpgme] 341/412: build: Use more compiler warnings
Daniel Kahn Gillmor
dkg at fifthhorseman.net
Thu Sep 22 21:27:16 UTC 2016
This is an automated email from the git hooks/post-receive script.
dkg pushed a commit to branch master
in repository gpgme.
commit 0510591c36591816a6ff3f87a04451001b7ed46f
Author: Werner Koch <wk at gnupg.org>
Date: Tue Sep 13 20:41:16 2016 +0200
build: Use more compiler warnings
* configure.ac: Add useful compiler warnings.
--
It is strange that this seems to be the only GnuPG package which does
not use modern warning.
Signed-off-by: Werner Koch <wk at gnupg.org>
---
configure.ac | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/configure.ac b/configure.ac
index 744b52a..bac7908 100644
--- a/configure.ac
+++ b/configure.ac
@@ -512,6 +512,35 @@ AM_SUBST_NOTMAKE(API__SSIZE_T)
# Checks for compiler features.
if test "$GCC" = yes; then
CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
+ if test "$USE_MAINTAINER_MODE" = "yes"; then
+ CFLAGS="$CFLAGS -Wformat -Wno-format-y2k -Wformat-security"
+
+ # If -Wno-missing-field-initializers is supported we can enable a
+ # a bunch of really useful warnings.
+ AC_MSG_CHECKING([if gcc supports -Wno-missing-field-initializers])
+ _gcc_cflags_save=$CFLAGS
+ CFLAGS="-Wno-missing-field-initializers"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],_gcc_wopt=yes,_gcc_wopt=no)
+ AC_MSG_RESULT($_gcc_wopt)
+ CFLAGS=$_gcc_cflags_save;
+ if test x"$_gcc_wopt" = xyes ; then
+ CFLAGS="$CFLAGS -W -Wextra -Wbad-function-cast"
+ CFLAGS="$CFLAGS -Wwrite-strings"
+ CFLAGS="$CFLAGS -Wdeclaration-after-statement"
+ CFLAGS="$CFLAGS -Wno-missing-field-initializers"
+ CFLAGS="$CFLAGS -Wno-sign-compare"
+ fi
+
+ AC_MSG_CHECKING([if gcc supports -Wpointer-arith])
+ _gcc_cflags_save=$CFLAGS
+ CFLAGS="-Wpointer-arith"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],_gcc_wopt=yes,_gcc_wopt=no)
+ AC_MSG_RESULT($_gcc_wopt)
+ CFLAGS=$_gcc_cflags_save;
+ if test x"$_gcc_wopt" = xyes ; then
+ CFLAGS="$CFLAGS -Wpointer-arith"
+ fi
+ fi
if test "$have_w32_system" = yes; then
CFLAGS="$CFLAGS -mms-bitfields"
fi
--
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