diff options
Diffstat (limited to 'gl/m4/warnings.m4')
| -rw-r--r-- | gl/m4/warnings.m4 | 29 |
1 files changed, 11 insertions, 18 deletions
diff --git a/gl/m4/warnings.m4 b/gl/m4/warnings.m4 index c32cf4e..a4a750a 100644 --- a/gl/m4/warnings.m4 +++ b/gl/m4/warnings.m4 @@ -1,19 +1,11 @@ -# warnings.m4 serial 2 -dnl Copyright (C) 2008 Free Software Foundation, Inc. +# warnings.m4 serial 5 +dnl Copyright (C) 2008-2011 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. @@ -27,18 +19,19 @@ m4_ifdef([AS_VAR_APPEND], # Adds parameter to WARN_CFLAGS if the compiler supports it. For example, # gl_WARN_ADD([-Wparentheses]). AC_DEFUN([gl_WARN_ADD], +dnl FIXME: gl_Warn must be used unquoted until we can assume +dnl autoconf 2.64 or newer. [AS_VAR_PUSHDEF([gl_Warn], [gl_cv_warn_$1])dnl -AC_CACHE_CHECK([whether compiler handles $1], [gl_Warn], [ - save_CPPFLAGS="$CPPFLAGS" +AC_CACHE_CHECK([whether compiler handles $1], m4_defn([gl_Warn]), [ + gl_save_CPPFLAGS="$CPPFLAGS" CPPFLAGS="${CPPFLAGS} $1" AC_PREPROC_IFELSE([AC_LANG_PROGRAM([])], - [AS_VAR_SET([gl_Warn], [yes])], - [AS_VAR_SET([gl_Warn], [no])]) - CPPFLAGS="$save_CPPFLAGS" + [AS_VAR_SET(gl_Warn, [yes])], + [AS_VAR_SET(gl_Warn, [no])]) + CPPFLAGS="$gl_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_POPDEF([gl_Flags])dnl +AS_VAR_IF(gl_Warn, [yes], + [gl_AS_VAR_APPEND(m4_if([$2], [], [[WARN_CFLAGS]], [[$2]]), [" $1"])]) AS_VAR_POPDEF([gl_Warn])dnl m4_ifval([$2], [AS_LITERAL_IF([$2], [AC_SUBST([$2])], [])])dnl ]) |