X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?p=pspp;a=blobdiff_plain;f=acinclude.m4;h=52ac81acd3dc99e5b16d9405e518227d640fa604;hp=11154ee37bfa7ac54f6411bce7ebb6e7b8a680fb;hb=refs%2Fheads%2Flexer;hpb=26b487c57f0f8e495929dec6e0a25971dbfd76bf diff --git a/acinclude.m4 b/acinclude.m4 index 11154ee37b..52ac81acd3 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -1,13 +1,15 @@ -dnl Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc. +dnl Copyright (C) 2005, 2006, 2007, 2009 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 Prerequisites. -dnl Instead of giving an error about each prerequisite as we encounter it, -dnl group them all together at the end of the run, to be user-friendly. -AC_DEFUN([PSPP_REQUIRED_PREREQ], [pspp_required_prereqs="$pspp_required_prereqs +dnl Summarize all the missing prerequisites at the end of the run to +dnl increase user-friendliness. +AC_DEFUN([PSPP_REQUIRED_PREREQ], + [AC_MSG_WARN([You must install $1 before building PSPP.]) +pspp_required_prereqs="$pspp_required_prereqs $1"]) AC_DEFUN([PSPP_OPTIONAL_PREREQ], [pspp_optional_prereqs="$pspp_optional_prereqs $1"]) @@ -32,46 +34,19 @@ AC_DEFUN([PSPP_PERL], if test "$PERL" != no && $PERL -e 'require 5.005_03;'; then :; else PSPP_REQUIRED_PREREQ([Perl 5.005_03 (or later)]) fi -]) - -dnl Check that libplot is available. -AC_DEFUN([PSPP_LIBPLOT], -[ - AC_ARG_WITH( - libplot, - [AS_HELP_STRING([--without-libplot], - [don't compile in support of charts (using libplot)])]) - - if test x"$with_libplot" != x"no" ; then - # Check whether we can link against libplot without any extra libraries. - AC_CHECK_LIB(plot, pl_newpl_r, [LIBPLOT_LIBS="-lplot"]) - - # Check whether we can link against libplot if we also link X. - if test x"$LIBPLOT_LIBS" = x""; then - AC_PATH_XTRA - extra_libs="-lXaw -lXmu -lXt $X_PRE_LIBS -lXext -lX11 $X_EXTRA_LIBS -lm" - AC_CHECK_LIB(plot, pl_newpl_r, - [LIBPLOT_LIBS="-lplot $extra_libs" - LDFLAGS="$LDFLAGS $X_LIBS"],, - [$extra_libs]) - fi - # Still can't link? - if test x"$LIBPLOT_LIBS" = x""; then - PSPP_REQUIRED_PREREQ([libplot (or use --without-libplot)]) - fi - - # Set up to make everything work. - LIBS="$LIBPLOT_LIBS $LIBS" - AC_DEFINE(HAVE_LIBPLOT, 1, - [Define to 1 if you have the `libplot' library (-lplot).]) - fi + # The PSPP autobuilder appends a build number to the PSPP version number, + # e.g. "0.7.2-build40". But Perl won't parse version numbers that contain + # anything other than digits and periods, so "-build" causes an error. So we + # define $(VERSION_FOR_PERL) that drops everything from the hyphen onward. + VERSION_FOR_PERL=`echo "$VERSION" | sed 's/-.*//'` + AC_SUBST([VERSION_FOR_PERL]) ]) -dnl Check whether a C compiler option is accepted. -dnl If so, add it to CFLAGS. -dnl Example: PSPP_ENABLE_OPTION(-Wdeclaration-after-statement) -AC_DEFUN([PSPP_ENABLE_OPTION], +dnl PSPP_CHECK_CC_OPTION([OPTION], [ACTION-IF-ACCEPTED], [ACTION-IF-REJECTED]) +dnl Check whether the given C compiler OPTION is accepted. +dnl If so, execute ACTION-IF-ACCEPTED, otherwise ACTION-IF-REJECTED. +AC_DEFUN([PSPP_CHECK_CC_OPTION], [ m4_define([pspp_cv_name], [pspp_cv_[]m4_translit([$1], [-], [_])])dnl AC_CACHE_CHECK([whether $CC accepts $1], [pspp_cv_name], @@ -80,10 +55,19 @@ AC_DEFUN([PSPP_ENABLE_OPTION], AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,)], [pspp_cv_name[]=yes], [pspp_cv_name[]=no]) CFLAGS="$pspp_save_CFLAGS"]) if test $pspp_cv_name = yes; then - CFLAGS="$CFLAGS $1" + m4_if([$2], [], [;], [$2]) + else + m4_if([$3], [], [:], [$3]) fi ]) +dnl PSPP_ENABLE_OPTION([OPTION]) +dnl Check whether the given C compiler OPTION is accepted. +dnl If so, add it to CFLAGS. +dnl Example: PSPP_ENABLE_OPTION([-Wdeclaration-after-statement]) +AC_DEFUN([PSPP_ENABLE_OPTION], + [PSPP_CHECK_CC_OPTION([$1], [CFLAGS="$CFLAGS $1"])]) + dnl Check for readline and history libraries. dnl Modified for PSPP, based on readline.m4 serial 3 from @@ -256,17 +240,69 @@ AC_DEFUN([PSPP_GSL_NEEDS_FGNU89_INLINE], # make sure that it has run by the time we run this test, otherwise we'll # get a false result. AC_REQUIRE([gl_INLINE]) - AC_CACHE_CHECK([whether GSL needs -fgnu89-inline to link], - pspp_cv_gsl_needs_fgnu89_inline, [ - PSPP_LINK2_IFELSE( - [AC_LANG_PROGRAM([#include - ], [GSL_MAX_INT(1,2);])], - [AC_LANG_SOURCE([#include - void x (void) {}])], - [pspp_cv_gsl_needs_fgnu89_inline=no], - [pspp_cv_gsl_needs_fgnu89_inline=yes])]) - if test "$pspp_cv_gsl_needs_fgnu89_inline" = "yes"; then - CFLAGS="$CFLAGS -fgnu89-inline" - fi + PSPP_CHECK_CC_OPTION( + [-fgnu89-inline], + [AC_CACHE_CHECK([whether GSL needs -fgnu89-inline to link], + pspp_cv_gsl_needs_fgnu89_inline, [ + PSPP_LINK2_IFELSE( + [AC_LANG_PROGRAM([#include + ], [GSL_MAX_INT(1,2);])], + [AC_LANG_SOURCE([#include + void x (void) {}])], + [pspp_cv_gsl_needs_fgnu89_inline=no], + [pspp_cv_gsl_needs_fgnu89_inline=yes])]) + if test "$pspp_cv_gsl_needs_fgnu89_inline" = "yes"; then + CFLAGS="$CFLAGS -fgnu89-inline" + fi]) ]) -dnl acinclude.m4 ends here + +AC_DEFUN([PSPP_CHECK_CLICKSEQUENCE], + [AC_REQUIRE([AM_INIT_AUTOMAKE]) # Defines MAKEINFO + AC_CACHE_CHECK([whether makeinfo supports @clicksequence], + [pspp_cv_have_clicksequence], + [cat > conftest.texi <&AS_MESSAGE_LOG_FD" >&AS_MESSAGE_LOG_FD + eval "$MAKEINFO conftest.texi >&AS_MESSAGE_LOG_FD 2>&1" + retval=$? + echo "configure:__oline__: \$? = $retval" >&AS_MESSAGE_LOG_FD + if test $retval = 0; then + pspp_cv_have_clicksequence=yes + else + pspp_cv_have_clicksequence=no + fi + rm -f conftest.texi conftest.info]) + if test $pspp_cv_have_clicksequence = no; then + AM_MAKEINFOFLAGS="$AM_MAKEINFOFLAGS -DMISSING_CLICKSEQUENCE" + AC_SUBST([AM_MAKEINFOFLAGS]) + fi]) + +# The following comes from Open vSwitch: +# ---------------------------------------------------------------------- +# Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at: +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +dnl PSPP_ENABLE_WERROR +AC_DEFUN([PSPP_ENABLE_WERROR], + [AC_ARG_ENABLE( + [Werror], + [AC_HELP_STRING([--enable-Werror], [Add -Werror to CFLAGS])], + [], [enable_Werror=no]) + AC_CONFIG_COMMANDS_PRE( + [if test "X$enable_Werror" = Xyes; then + CFLAGS="$CFLAGS -Werror" + fi])]) +