Virgin import of EGCS 1.1.2's libf2c

1 files changed, 176 insertions, 0 deletions

diff --git a/contrib/libf2c/configure.in b/contrib/libf2c/configure.in
new file mode 100644
index 0000000..1b338c6
--- /dev/null
+++ b/contrib/libf2c/configure.in
@@ -0,0 +1,176 @@
+# Process this file with autoconf to produce a configure script.
+#   Copyright (C) 1995, 1997, 1998 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_INIT(libF77/Version.c)
+
+AC_REVISION(1.12)
+
+dnl Checks for programs.
+# For g77 we'll set CC to point at the built gcc, but this will get it into
+# the makefiles
+AC_PROG_CC
+
+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'.])])
+
+# We have to firkle with the info in hconfig.h to figure out suitable types
+# (via com.h).  proj.h and com.h are in $srcdir/.., config.h which they need
+# is in ../.. and the config files are in $srcdir/../../config.
+AC_MSG_CHECKING(f2c integer type)
+late_ac_cpp=$ac_cpp
+ac_cpp="$late_ac_cpp -I../../gcc/f  -I../../gcc -I../../gcc/config"
+if test "$subdir" != . ; then
+  ac_cpp="$ac_cpp -I$srcdir/../gcc/f -I$srcdir/../gcc -I$srcdir/../gcc/config"
+fi
+AC_CACHE_VAL(g77_cv_sys_f2cinteger,
+echo "configure:__oline__: using $ac_cpp" >&AC_FD_CC
+AC_EGREP_CPP(F2C_INTEGER=long int,
+[#include "proj.h"
+#define FFECOM_DETERMINE_TYPES 1
+#include "com.h"
+#if FFECOM_f2cINTEGER == FFECOM_f2ccodeLONG
+F2C_INTEGER=long int
+#elif FFECOM_f2cINTEGER == FFECOM_f2ccodeINT
+F2C_INTEGER=int
+#else
+#  error "Cannot find a suitable type for F2C_INTEGER"
+#endif
+],
+ g77_cv_sys_f2cinteger="long int",)
+if test "$g77_cv_sys_f2cinteger" = ""; then
+echo "configure:__oline__: using $ac_cpp" >&AC_FD_CC
+  AC_EGREP_CPP(F2C_INTEGER=int,
+[#include "proj.h"
+#define FFECOM_DETERMINE_TYPES 1
+#include "com.h"
+#if FFECOM_f2cINTEGER == FFECOM_f2ccodeLONG
+F2C_INTEGER=long int
+#elif FFECOM_f2cINTEGER == FFECOM_f2ccodeINT
+F2C_INTEGER=int
+#else
+#  error "Cannot find a suitable type for F2C_INTEGER"
+#endif
+],
+   g77_cv_sys_f2cinteger=int,)
+fi
+if test "$g77_cv_sys_f2cinteger" = ""; then
+  AC_MSG_RESULT("")
+  AC_MSG_ERROR([Can't determine type for f2c integer; config.log may help.])
+fi
+)
+AC_MSG_RESULT($g77_cv_sys_f2cinteger)
+F2C_INTEGER=$g77_cv_sys_f2cinteger
+ac_cpp=$late_ac_cpp
+AC_SUBST(F2C_INTEGER)
+
+AC_MSG_CHECKING(f2c long int type)
+late_ac_cpp=$ac_cpp
+ac_cpp="$late_ac_cpp -I../../gcc/f  -I../../gcc -I../../gcc/config"
+if test "$subdir" != . ; then
+  ac_cpp="$ac_cpp -I$srcdir/../gcc/f -I$srcdir/../gcc -I$srcdir/../gcc/config"
+fi
+AC_CACHE_VAL(g77_cv_sys_f2clongint,
+echo "configure:__oline__: using $ac_cpp" >&AC_FD_CC
+AC_EGREP_CPP(F2C_LONGINT=long int,
+[#include "proj.h"
+#define FFECOM_DETERMINE_TYPES 1
+#include "com.h"
+#if FFECOM_f2cLONGINT == FFECOM_f2ccodeLONG
+F2C_LONGINT=long int
+#elif FFECOM_f2cLONGINT == FFECOM_f2ccodeLONGLONG
+F2C_LONGINT=long long int
+#else
+#  error "Cannot find a suitable type for F2C_LONGINT"
+#endif
+],
+ g77_cv_sys_f2clongint="long int",)
+if test "$g77_cv_sys_f2clongint" = ""; then
+echo "configure:__oline__: using $ac_cpp" >&AC_FD_CC
+  AC_EGREP_CPP(F2C_LONGINT=long long int,
+[#include "proj.h"
+#define FFECOM_DETERMINE_TYPES 1
+#include "com.h"
+#if FFECOM_f2cLONGINT == FFECOM_f2ccodeLONG
+F2C_LONGINT=long int
+#elif FFECOM_f2cLONGINT == FFECOM_f2ccodeLONGLONG
+F2C_LONGINT=long long int
+#else
+#  error "Cannot find a suitable type for F2C_LONGINT"
+#endif
+],
+   g77_cv_sys_f2clongint="long long int",)
+fi
+if test "$g77_cv_sys_f2clongint" = ""; then
+  AC_MSG_RESULT("")
+  AC_MSG_ERROR([Can't determine type for f2c long int; config.log may help.])
+fi
+)
+AC_MSG_RESULT($g77_cv_sys_f2clongint)
+F2C_LONGINT=$g77_cv_sys_f2clongint
+ac_cpp=$late_ac_cpp
+AC_SUBST(F2C_LONGINT)
+
+# avoid confusion in case the `makefile's from the f2c distribution have
+# got put here
+test -f libF77/makefile && mv libF77/makefile  libF77/makefile.ori
+test -f libI77/makefile && mv libI77/makefile  libI77/makefile.ori
+test -f libU77/makefile && mv libU77/makefile  libU77/makefile.ori
+
+# Get the version trigger filename from the toplevel
+if [[ "${with_gcc_version_trigger+set}" = set ]]; then
+	gcc_version_trigger=$with_gcc_version_trigger
+	gcc_version=`sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/' < ${gcc_version_trigger}`
+else
+	gcc_version_trigger=
+	gcc_version=UNKNOWN
+fi
+
+AC_SUBST(gcc_version)
+AC_SUBST(gcc_version_trigger)
+AC_CANONICAL_SYSTEM
+AC_SUBST(target_alias)
+
+AC_CONFIG_SUBDIRS(libU77 libI77 libF77)
+AC_OUTPUT(Makefile g2c.h:g2c.hin)
+
+dnl Local Variables:
+dnl comment-start: "dnl "
+dnl comment-end: ""
+dnl comment-start-skip: "\\bdnl\\b\\s *"
+dnl End: