X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=acinclude.m4;h=c657b46e1f8fb8c5a3842de36b3df1313536aa0d;hb=4a2dcede63a2fc6423301245b2e65c4b5f1aabbe;hp=d744317e9d93caae740b10c208a71e9124b5130b;hpb=d696a47234d20e65b310a4c52350469c273435bf;p=pspp

diff --git a/acinclude.m4 b/acinclude.m4
index d744317e9d..c657b46e1f 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -1,4 +1,4 @@
-dnl Copyright (C) 2005, 2006, 2007, 2009, 2014, 2015 Free Software Foundation, Inc.
+dnl Copyright (C) 2005, 2006, 2007, 2009, 2014, 2015, 2021 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.
@@ -16,11 +16,11 @@ AC_DEFUN([PSPP_OPTIONAL_PREREQ], [pspp_optional_prereqs="$pspp_optional_prereqs
 AC_DEFUN([PSPP_CHECK_PREREQS],
 [
   if test "$pspp_optional_prereqs" != ""; then
-    AC_MSG_WARN([The following optional prerequisites are not installed.
+    AC_MSG_WARN([The following optional packages are not installed.
 You may wish to install them to obtain additional functionality:$pspp_optional_prereqs])
 fi
   if test "$pspp_required_prereqs" != ""; then
-    AC_MSG_ERROR([The following required prerequisites are not installed.
+    AC_MSG_ERROR([The following required packages are not installed.
 You must install them before PSPP can be built:$pspp_required_prereqs])
 fi
 ])
@@ -320,6 +320,8 @@ AC_DEFUN([PSPP_ENABLE_WERROR],
    AC_CONFIG_COMMANDS_PRE(
      [if test "X$enable_Werror" = Xyes; then
         CFLAGS="$CFLAGS -Werror -Wno-error=deprecated-declarations"
+	# gnulib needs this, for now:
+	CFLAGS="$CFLAGS -Wno-error=attributes"
       fi])])
 
 # The following comes from Open vSwitch:
@@ -350,3 +352,27 @@ AC_DEFUN([PSPP_CHECK_DOT],
        pspp_cv_dot=no
      fi])
    AM_CONDITIONAL([HAVE_DOT], [test "$pspp_cv_dot" = yes])])
+
+
+dnl Check that xgettext is sufficiently recent
+dnl Before calling this macro, AC_CHECK_PROGS([XGETTEXT], [xgettext]) should have been called,
+dnl which sets the ac_cv_prog_XGETTEXT cache variable.
+AC_DEFUN([PSPP_CHECK_XGETTEXT],
+ [AC_CACHE_CHECK([whether gettext is sufficiently recent],
+   [pspp_cv_progrecent_xgettext],
+   [pspp_cv_progrecent_xgettext=maybe
+    ver=`$ac_cv_prog_XGETTEXT --version | sed -n -e '/xgettext/s/[[^0-9]]*\([[0-9\.]][[0-9\.]]*\).*/\1/p'`
+    case $ver in # (
+      *.*.*) ;; # (
+      *.*) ver="$ver.0" ;;
+    esac
+    majmin=`echo $ver | sed -e 's/\.[[0-9]]*$//'`
+    major=`echo $majmin | sed -e 's/\.[[0-9]]*$//'`
+    minor=`echo $majmin | sed -e 's/^[[0-9]]*\.//'`
+    if test "$major" -lt 0; then
+      pspp_cv_progrecent_xgettext=no;
+    elif test "$minor" -lt 20; then
+      pspp_cv_progrecent_xgettext=no
+    else
+      pspp_cv_progrecent_xgettext=yes
+    fi])])