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authorKarel Zak2013-05-07 09:50:22 +0200
committerKarel Zak2013-05-07 09:50:22 +0200
commit7697771d8f1df3576c73153f392285bb8973c117 (patch)
tree6cfa0400aba174db83b621e28a44c4832588b826 /m4
parentlib/colors: add colormode_or_err() (diff)
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build-sys: use -Wno-clobbered for some BSD crap
* extend UL_WARN_ADD() for accept non-default CFLAGS variable * add BSD_WARN_CFLAGS with -Wno-clobbered * use all this for pg(1) and more(1) Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'm4')
-rw-r--r--m4/compiler.m47
1 files changed, 4 insertions, 3 deletions
diff --git a/m4/compiler.m4 b/m4/compiler.m4
index eb94510e3..062f93623 100644
--- a/m4/compiler.m4
+++ b/m4/compiler.m4
@@ -14,10 +14,11 @@ m4_ifdef([AS_VAR_APPEND],
[m4_define([UL_AS_VAR_APPEND],
[AS_VAR_SET([$1], [AS_VAR_GET([$1])$2])])])
-# UL_ADD_WARN([parameter])
+# UL_ADD_WARN(COMPILER_OPTION [, VARNAME])
# ------------------------
-# Adds parameter to WARN_CFLAGS if the compiler supports it.
+# Adds parameter to WARN_CFLAGS (or to $VARNAME) if the compiler supports it.
AC_DEFUN([UL_WARN_ADD], [
+ m4_define([warnvarname], m4_default([$2],WARN_CFLAGS))
AS_VAR_PUSHDEF([ul_Warn], [ul_cv_warn_$1])dnl
AC_CACHE_CHECK([whether compiler handles $1], m4_defn([ul_Warn]), [
ul_save_CPPFLAGS="$CPPFLAGS"
@@ -27,6 +28,6 @@ AC_DEFUN([UL_WARN_ADD], [
[AS_VAR_SET(ul_Warn, [no])])
CPPFLAGS="$ul_save_CPPFLAGS"
])
- AS_VAR_IF(ul_Warn, [yes], [UL_AS_VAR_APPEND([WARN_CFLAGS], [" $1"])])
+ AS_VAR_IF(ul_Warn, [yes], [UL_AS_VAR_APPEND(warnvarname, [" $1"])])
])