-# warnings.m4 serial 1
-dnl Copyright (C) 2008 Free Software Foundation, Inc.
+# warnings.m4 serial 2
+dnl Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl From Simon Josefsson
-# gl_AS_VAR_IF(VAR, VALUE, [IF-MATCH], [IF-NOT-MATCH])
-# ----------------------------------------------------
-# Provide the functionality of AS_VAR_IF if Autoconf does not have it.
-m4_ifdef([AS_VAR_IF],
-[m4_copy([AS_VAR_IF], [gl_AS_VAR_IF])],
-[m4_define([gl_AS_VAR_IF],
-[AS_IF([test x"AS_VAR_GET([$1])" = x""$2], [$3], [$4])])])
-
# gl_AS_VAR_APPEND(VAR, VALUE)
# ----------------------------
# Provide the functionality of AS_VAR_APPEND if Autoconf does not have it.
CPPFLAGS="${CPPFLAGS} $1"
AC_PREPROC_IFELSE([AC_LANG_PROGRAM([])],
[AS_VAR_SET([gl_Warn], [yes])],
- [AS_VAR_SET([gl_Warn], [no])])
+ [AS_VAR_SET([gl_Warn], [no])])
CPPFLAGS="$save_CPPFLAGS"
])
AS_VAR_PUSHDEF([gl_Flags], m4_if([$2], [], [[WARN_CFLAGS]], [[$2]]))dnl
-gl_AS_VAR_IF([gl_Warn], [yes], [gl_AS_VAR_APPEND([gl_Flags], [" $1"])])
+AS_VAR_IF([gl_Warn], [yes], [gl_AS_VAR_APPEND([gl_Flags], [" $1"])])
AS_VAR_POPDEF([gl_Flags])dnl
AS_VAR_POPDEF([gl_Warn])dnl
m4_ifval([$2], [AS_LITERAL_IF([$2], [AC_SUBST([$2])], [])])dnl
])
-
-# gl_WARN_SUPPORTED(VARIABLE)
-# ----------------------
-# Add all supported warning parameters to variable VARIABLE.
-AC_DEFUN([gl_WARN_SUPPORTED],
-[
- FOO=
- # List of all supported warning parameters according to GCC 4.3.2 manual.
- for w in \
- -Wall \
- -W \
- -Wformat-y2k \
- -Wformat-nonliteral \
- -Wformat-security \
- -Winit-self \
- -Wmissing-include-dirs \
- -Wswitch-default \
- -Wswitch-enum \
- -Wunused \
- -Wunknown-pragmas \
- -Wstrict-aliasing \
- -Wstrict-overflow \
- -Wsystem-headers \
- -Wfloat-equal \
- -Wtraditional \
- -Wtraditional-conversion \
- -Wdeclaration-after-statement \
- -Wundef \
- -Wshadow \
- -Wunsafe-loop-optimizations \
- -Wpointer-arith \
- -Wbad-function-cast \
- -Wc++-compat \
- -Wcast-qual \
- -Wcast-align \
- -Wwrite-strings \
- -Wconversion \
- -Wsign-conversion \
- -Wlogical-op \
- -Waggregate-return \
- -Wstrict-prototypes \
- -Wold-style-definition \
- -Wmissing-prototypes \
- -Wmissing-declarations \
- -Wmissing-noreturn \
- -Wmissing-format-attribute \
- -Wpacked \
- -Wpadded \
- -Wredundant-decls \
- -Wnested-externs \
- -Wunreachable-code \
- -Winline \
- -Winvalid-pch \
- -Wlong-long \
- -Wvla \
- -Wvolatile-register-var \
- -Wdisabled-optimization \
- -Wstack-protector \
- -Woverlength-strings \
- ; do
- FOO="$FOO $w"
- done
- $1=$FOO
-])
-
-# gl_WARN_COMPLEMENT(OUTVAR, LISTVAR, REMOVEVAR)
-# ----------------------
-# Copy LISTVAR to OUTVAR except for the entries in REMOVEVAR.
-# Elements separated by whitespace. In set logic terms, the function
-# does OUTVAR = LISTVAR \ REMOVEVAR.
-AC_DEFUN([gl_WARN_COMPLEMENT],
-[
- gl_warn_set=
- set x $2; shift
- for gl_warn_item
- do
- case " $3 " in
- *" $gl_warn_item "*)
- ;;
- *)
- gl_warn_set="$gl_warn_set $gl_warn_item"
- ;;
- esac
- done
- $1=$gl_warn_set
-])