-dnl Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
+dnl Copyright (C) 2005, 2006, 2007, 2009, 2014 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
$1"])
if test "$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 $1], [pspp_cv_name],
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,)], [pspp_cv_name[]=yes], [pspp_cv_name[]=no])
CFLAGS="$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
dnl Add $INCREADLINE to CPPFLAGS before performing the following checks,
dnl because if the user has installed libreadline and not disabled its use
- dnl via --without-libreadline-prefix, he wants to use it. The AC_TRY_LINK
+ dnl via --without-libreadline-prefix, he wants to use it. The AC_LINK_IFELSE
dnl will then succeed.
am_save_CPPFLAGS="$CPPFLAGS"
AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCREADLINE $INCHISTORY])
if test -n "$extra_lib"; then
LIBS="$LIBS -l$extra_lib"
fi
- AC_TRY_LINK([#include <stdio.h>
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
#include <readline/readline.h>
-#include <readline/history.h>],
- [readline((char*)0); add_history((char*)0);],
- gl_cv_lib_readline=yes)
+#include <readline/history.h>]], [[readline((char*)0); add_history((char*)0);]])],[gl_cv_lib_readline=yes],[])
if test "$gl_cv_lib_readline" = yes; then
if test -n "$extra_lib"; then
LIBREADLINE="$LIBREADLINE $LIBHISTORY -l$extra_lib"
AC_DEFINE(HAVE_READLINE, 1, [Define if you have the readline library.])
AC_MSG_CHECKING([how to link with libreadline])
AC_MSG_RESULT([$LIBREADLINE])
+ AC_SEARCH_LIBS([rl_echo_signal_char], [readline],
+ AC_DEFINE(HAVE_RL_ECHO_SIGNAL_CHAR, 1, [Define if the readline library provides rl_echo_signal_char.]),[],[$LIBREADLINE])
+ AC_SEARCH_LIBS([rl_outstream], [readline],
+ AC_DEFINE(HAVE_RL_OUTSTREAM, 1, [Define if the readline library provides rl_outstream.]),[],[$LIBREADLINE])
else
dnl If $LIBREADLINE didn't lead to a usable library, we don't
dnl need $INCREADLINE either.
fi
])
-dnl acinclude.m4 ends here
+
+# PSPP_LINK2_IFELSE(SOURCE1, SOURCE2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
+# -------------------------------------------------------------
+# Based on AC_LINK_IFELSE, but tries to link both SOURCE1 and SOURCE2
+# into a program.
+#
+# Test that resulting file is executable; see the problem reported by mwoehlke
+# in <http://lists.gnu.org/archive/html/bug-coreutils/2006-10/msg00048.html>.
+# But skip the test when cross-compiling, to prevent problems like the one
+# reported by Chris Johns in
+# <http://lists.gnu.org/archive/html/autoconf/2007-03/msg00085.html>.
+#
+m4_define([PSPP_LINK2_IFELSE],
+[m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl
+mv conftest.$ac_ext conftest1.$ac_ext
+m4_ifvaln([$2], [AC_LANG_CONFTEST([$2])])dnl
+mv conftest.$ac_ext conftest2.$ac_ext
+rm -f conftest1.$ac_objext conftest2.$ac_objext conftest$ac_exeext
+pspp_link2='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest1.$ac_ext conftest2.$ac_ext $LIBS >&5'
+AS_IF([_AC_DO_STDERR($pspp_link2) && {
+ test -z "$ac_[]_AC_LANG_ABBREV[]_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext && {
+ test "$cross_compiling" = yes ||
+ AS_TEST_X([conftest$ac_exeext])
+ }],
+ [$3],
+ [echo "$as_me: failed source file 1 of 2 was:" >&5
+sed 's/^/| /' conftest1.$ac_ext >&5
+echo "$as_me: failed source file 2 of 2 was:" >&5
+sed 's/^/| /' conftest2.$ac_ext >&5
+ $4])
+dnl Delete also the IPA/IPO (Inter Procedural Analysis/Optimization)
+dnl information created by the PGI compiler (conftest_ipa8_conftest.oo),
+dnl as it would interfere with the next link command.
+rm -rf conftest.dSYM conftest1.dSYM conftest2.dSYM
+rm -f core conftest.err conftest1.err conftest2.err
+rm -f conftest1.$ac_objext conftest2.$ac_objext conftest*_ipa8_conftest*.oo
+rm -f conftest$ac_exeext
+rm -f m4_ifval([$1], [conftest1.$ac_ext]) m4_ifval([$2], [conftest1.$ac_ext])[]dnl
+])# PSPP_LINK2_IFELSE
+
+# GSL uses "extern inline" without determining whether the compiler uses
+# GCC inline rules or C99 inline rules. If it uses the latter then GSL
+# will be broken without passing -fgnu89-inline to GCC.
+AC_DEFUN([PSPP_GSL_NEEDS_FGNU89_INLINE],
+[# GSL only uses "inline" at all if HAVE_INLINE is defined as a macro.
+ # In turn, gnulib's gl_INLINE is one macro that does that. We need to
+ # make sure that it has run by the time we run this test, otherwise we'll
+ # get a false result.
+ AC_REQUIRE([gl_INLINE])
+ 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/gsl_math.h>
+ ], [GSL_MAX_INT(1,2);])],
+ [AC_LANG_SOURCE([#include <gsl/gsl_math.h>
+ 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])
+])
+
+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 <<EOF
+@setfilename conftest.info
+@clicksequence{File @click{} Open}
+EOF
+ echo "configure:__oline__: running $MAKEINFO conftest.texi >&AS_MESSAGE_LOG_FD" >&AS_MESSAGE_LOG_FD
+ eval "$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])])
+
projects / pspp / blobdiff