| # Process this file with autoconf to produce a configure script. |
| # Copyright (C) 1995, 1997, 1998, 1999, 2002, 2003 |
| # Free Software Foundation, Inc. |
| # Contributed by Dave Love (d.love@dl.ac.uk). |
| # |
| #This file is part of GNU Fortran. |
| # |
| #GNU Fortran is free software; you can redistribute it and/or modify |
| #it under the terms of the GNU General Public License as published by |
| #the Free Software Foundation; either version 2, or (at your option) |
| #any later version. |
| # |
| #GNU Fortran is distributed in the hope that it will be useful, |
| #but WITHOUT ANY WARRANTY; without even the implied warranty of |
| #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| #GNU General Public License for more details. |
| # |
| #You should have received a copy of the GNU General Public License |
| #along with GNU Fortran; see the file COPYING. If not, write to |
| #the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
| #02111-1307, USA. |
| |
| AC_PREREQ(2.13) |
| AC_INIT(libF77/Version.c) |
| |
| # This works around the fact that libtool configuration may change LD |
| # for this particular configuration, but some shells, instead of |
| # keeping the changes in LD private, export them just because LD is |
| # exported. |
| ORIGINAL_LD_FOR_MULTILIBS=$LD |
| |
| GLIBCPP_TOPREL_CONFIGURE |
| |
| AC_CANONICAL_SYSTEM |
| target_alias=${target_alias-$target} |
| AC_SUBST(target_alias) |
| |
| GLIBCPP_CONFIGURE(.) |
| GLIBCPP_EXPORT_INSTALL_INFO |
| |
| dnl Checks for programs. |
| |
| AM_PROG_LIBTOOL |
| |
| dnl These should be inherited in the recursive make, but ensure they are |
| dnl defined: |
| test "$AR" || AR=ar |
| AC_SUBST(AR) |
| if test "$RANLIB"; then : |
| AC_SUBST(RANLIB) |
| else |
| AC_PROG_RANLIB |
| fi |
| AC_PROG_INSTALL |
| AC_PROG_MAKE_SET |
| |
| dnl Checks for header files. |
| # Sanity check for the cross-compilation case: |
| AC_CHECK_HEADER(stdio.h,:, |
| [AC_MSG_ERROR([Can't find stdio.h. |
| You must have a usable C system for the target already installed, at least |
| including headers and, preferably, the library, before you can configure |
| the G77 runtime system. If necessary, install gcc now with \`LANGUAGES=c', |
| then the target library, then build with \`LANGUAGES=f77'.])]) |
| |
| dnl Checks for g77 integer types built into gcc's C front end. |
| AC_MSG_CHECKING(for built-in g77 integer types) |
| AC_CACHE_VAL(libf2c_cv_has_g77_builtin_types, |
| [AC_TRY_COMPILE(, |
| [__g77_integer g77i; |
| __g77_uinteger g77ui; |
| __g77_longint g77l; |
| __g77_ulongint g77ul;], |
| libf2c_cv_has_g77_builtin_types=yes, |
| libf2c_cv_has_g77_builtin_types=no)]) |
| AC_MSG_RESULT($libf2c_cv_has_g77_builtin_types) |
| if test $libf2c_cv_has_g77_builtin_types = no; then |
| AC_MSG_ERROR([gcc doesn't define all of the built in types __g77_integer, |
| __g77_uinteger, __g77_longint, and __g77_ulongint. You may not be using |
| a new enough version of gcc, or your target may not have type sizes which |
| accommodate those types.]) |
| fi |
| |
| # avoid confusion in case the `makefile's from the f2c distribution have |
| # got put here |
| test -f libF77/makefile && mv libF77/makefile libF77/makefile.ori |
| test -f libI77/makefile && mv libI77/makefile libI77/makefile.ori |
| test -f libU77/makefile && mv libU77/makefile libU77/makefile.ori |
| |
| AC_CONFIG_SUBDIRS(libU77 libI77 libF77) |
| # Do Makefile first since g2c.h depends on it and shouldn't get an |
| # earlier timestamp. Of course, it does when the multilib gunk below |
| # edits Makefile, sigh; see additional touch below. |
| AC_OUTPUT(Makefile g2c.h:g2c.hin, |
| [test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h |
| if test -n "$CONFIG_FILES"; then |
| LD="${ORIGINAL_LD_FOR_MULTILIBS}" |
| if test -n "${with_target_subdir}"; then |
| # FIXME: We shouldn't need to set ac_file |
| ac_file=Makefile |
| . ${toplevel_srcdir}/config-ml.in |
| touch g2c.h # to keep it more recent than Makefile |
| fi |
| fi], |
| srcdir=${srcdir} |
| host=${host} |
| target=${target} |
| with_target_subdir=${with_target_subdir} |
| with_multisubdir=${with_multisubdir} |
| ac_configure_args="--enable-multilib ${ac_configure_args}" |
| toplevel_srcdir=${toplevel_srcdir} |
| CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} |
| ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}" |
| ) |
| |
| |
| dnl Local Variables: |
| dnl comment-start: "dnl " |
| dnl comment-end: "" |
| dnl comment-start-skip: "\\bdnl\\b\\s *" |
| dnl End: |
