-dnl Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+dnl Copyright (C) 2005, 2006, 2007 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 Check that libplot is available.
AC_DEFUN([PSPP_LIBPLOT],
[
- AC_ARG_WITH(libplot, [ --without-libplot don't compile in support of charts (using libplot)])
+ AC_ARG_WITH(
+ libplot,
+ [AS_HELP_STRING([--without-libplot],
+ [don't compile in support of charts (using libplot)])])
if test x"$with_libplot" != x"no" ; then
- AC_CHECK_LIB(plot, pl_newpl_r,,
- [PSPP_REQUIRED_PREREQ([libplot (or use --without-libplot)])])
- fi
-])
+ # Check whether we can link against libplot without any extra libraries.
+ AC_CHECK_LIB(plot, pl_newpl_r, [LIBPLOT_LIBS="-lplot"])
-dnl Check that off_t is defined as an integer type.
-dnl Solaris sometimes declares it as a struct, if it
-dnl thinks that the compiler does not support `long long'.
-AC_DEFUN([PSPP_OFF_T],
-[
- AC_COMPILE_IFELSE([#include <sys/types.h>
- #include <unistd.h>
- off_t x = 0;
- int main (void)
- {
- lseek (0, 1, 2);
- return 0;
- }], [], [AC_MSG_ERROR(
- [Your system's definition of off_t is broken. You are probably
- using Solaris. You can probably fix the problem with
- `--disable-largefile' or `CFLAGS=-ansi'.])])
+ # Check whether we can link against libplot if we also link X.
+ if test x"$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
])
-dnl Check whether a warning flag is accepted.
+dnl Check whether a C compiler option is accepted.
dnl If so, add it to CFLAGS.
-dnl Example: PSPP_ENABLE_WARNING(-Wdeclaration-after-statement)
-AC_DEFUN([PSPP_ENABLE_WARNING],
+dnl Example: PSPP_ENABLE_OPTION(-Wdeclaration-after-statement)
+AC_DEFUN([PSPP_ENABLE_OPTION],
[
m4_define([pspp_cv_name], [pspp_cv_[]m4_translit([$1], [-], [_])])dnl
AC_CACHE_CHECK([whether $CC accepts $1], [pspp_cv_name],
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_SUBST(LTLIBREADLINE)
])
-dnl aclocal.m4 ends here
+dnl Check for build tools. Adapted from bfd library.
+
+AC_DEFUN([PSPP_CC_FOR_BUILD],
+[# Put a plausible default for CC_FOR_BUILD in Makefile.
+if test -z "$CC_FOR_BUILD"; then
+ if test "x$cross_compiling" = "xno"; then
+ CC_FOR_BUILD='$(CC)'
+ else
+ CC_FOR_BUILD=cc
+ fi
+fi
+AC_SUBST(CC_FOR_BUILD)
+# Also set EXEEXT_FOR_BUILD.
+if test "x$cross_compiling" = "xno"; then
+ EXEEXT_FOR_BUILD='$(EXEEXT)'
+else
+ AC_CACHE_CHECK([for build system executable suffix], pspp_cv_build_exeext,
+ [rm -f conftest*
+ echo 'int main () { return 0; }' > conftest.c
+ pspp_cv_build_exeext=
+ ${CC_FOR_BUILD} -o conftest conftest.c 1>&5 2>&5
+ for file in conftest.*; do
+ case $file in # (
+ *.c | *.o | *.obj | *.ilk | *.pdb) ;; # (
+ *) pspp_cv_build_exeext=`echo $file | sed -e s/conftest//` ;;
+ esac
+ done
+ rm -f conftest*
+ test x"${pspp_cv_build_exeext}" = x && pspp_cv_build_exeext=no])
+ EXEEXT_FOR_BUILD=""
+ test x"${pspp_cv_build_exeext}" != xno && EXEEXT_FOR_BUILD=${pspp_cv_build_exeex
+t}
+fi
+AC_SUBST(EXEEXT_FOR_BUILD)])
+
+dnl Check for LC_PAPER, _NL_PAPER_WIDTH, _NL_PAPER_HEIGHT.
+AC_DEFUN([PSPP_LC_PAPER],
+[AC_CACHE_CHECK(for LC_PAPER, pspp_cv_lc_paper, [
+ pspp_cv_lc_paper=no
+ AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [#include <locale.h>
+#include <langinfo.h>
+],
+ [(void) LC_PAPER; (void) _NL_PAPER_WIDTH; (void) _NL_PAPER_HEIGHT])],
+ [pspp_cv_lc_paper=yes])
+ ])
+ if test "$pspp_cv_lc_paper" = yes; then
+ AC_DEFINE(HAVE_LC_PAPER, 1, [Define if you have LC_PAPER.])
+ fi
+])
+
+dnl acinclude.m4 ends here
projects / pspp-builds.git / blobdiff