131 lines
4.9 KiB
Plaintext
131 lines
4.9 KiB
Plaintext
# Top level configure fragment for GNU FORTRAN.
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# Copyright (C) 1995-1997 Free Software Foundation, Inc.
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#This file is part of GNU Fortran.
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#GNU Fortran is free software; you can redistribute it and/or modify
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#it under the terms of the GNU General Public License as published by
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#the Free Software Foundation; either version 2, or (at your option)
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#any later version.
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#GNU Fortran is distributed in the hope that it will be useful,
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#but WITHOUT ANY WARRANTY; without even the implied warranty of
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#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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#GNU General Public License for more details.
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#You should have received a copy of the GNU General Public License
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#along with GNU Fortran; see the file COPYING. If not, write to
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#the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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#02111-1307, USA.
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# Configure looks for the existence of this file to auto-config each language.
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# We define several parameters used by configure:
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#
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# language - name of language as it would appear in $(LANGUAGES)
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# compilers - value to add to $(COMPILERS)
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# stagestuff - files to add to $(STAGESTUFF)
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# diff_excludes - files to ignore when building diffs between two versions.
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#if grep DECL_STATIC_CONSTRUCTOR $srcdir/tree.h >/dev/null; then
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# if grep flag_move_all_movables $srcdir/toplev.c >/dev/null; then true
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# else
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# echo "You haven't applied the patches to the GCC 2.7.x distribution in"
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# echo "$srcdir as described in g77/README.g77 and gcc/f/gbe/README."
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# echo ""
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# exit 1
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# fi
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#else
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# if grep put_pending_sizes $srcdir/stor-layout.c >/dev/null; then true
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# else
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# echo "You haven't applied the patches to the GCC 2.6.x distribution in"
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# echo "$srcdir as described in g77/README.g77 and gcc/f/gbe/README."
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# echo ""
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# exit 1
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# fi
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#fi
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language="f77"
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compilers="f771\$(exeext)"
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case "$arguments" in
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# *--enable-f2c* | *-enable-f2c*)
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# echo "f77: enabling f2c."
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# stagestuff="g77 g77-cross f771 libf2c.a f2c fc" ;;
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# stagestuff="g77 g77-cross f771 libf2c.a f2c" ;;
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*)
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stagestuff="g77\$(exeext) g77-cross\$(exeext) f771\$(exeext) libf2c.a" ;;
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esac
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diff_excludes="-x \"f/g77.info*\""
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# Create the runtime library directory tree if necessary.
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test -d f || mkdir f
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test -d f/runtime || mkdir f/runtime
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test -d f/runtime/libF77 || mkdir f/runtime/libF77
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test -d f/runtime/libI77 || mkdir f/runtime/libI77
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test -d f/runtime/libU77 || mkdir f/runtime/libU77
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# Need to make top-level stageN directory trees, else if needed
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# later by gcc/Makefile, it'll make only the first levels and
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# the language subdirectory levels, not the runtime stuff.
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for stageN in stage1 stage2 stage3 stage4
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do
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test -d $stageN || mkdir $stageN
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test -d $stageN/f || mkdir $stageN/f
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test -d $stageN/f/runtime || mkdir $stageN/f/runtime
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test -d $stageN/f/runtime/libF77 || mkdir $stageN/f/runtime/libF77
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test -d $stageN/f/runtime/libI77 || mkdir $stageN/f/runtime/libI77
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test -d $stageN/f/runtime/libU77 || mkdir $stageN/f/runtime/libU77
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done
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# Make links into top-level stageN from target trees.
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for stageN in stage1 stage2 stage3 stage4 include
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do
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$remove -f f/$stageN f/runtime/$stageN f/runtime/libF77/$stageN \
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f/runtime/libI77/$stageN f/runtime/libU77/$stageN
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(cd f; $symbolic_link ../$stageN . 2>/dev/null)
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(cd f/runtime; $symbolic_link ../$stageN . 2>/dev/null)
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(cd f/runtime/libF77; $symbolic_link ../$stageN . 2>/dev/null)
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(cd f/runtime/libI77; $symbolic_link ../$stageN . 2>/dev/null)
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(cd f/runtime/libU77; $symbolic_link ../$stageN . 2>/dev/null)
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done
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case "$srcdir" in
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.) ;;
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*) echo
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echo "Building f77 outside the source directory is likely to not work"
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echo "unless you are using GNU make or a compatible VPATH mechanism."
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echo ;;
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esac
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case "$host" in
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hppa*-*-hpux10)
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echo
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echo "The GCC \`fixincludes' step (which involves running a sed script)"
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echo "typically fails on HP-UX 10 because of a bug in the vendor's"
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echo "implementation of sed. Currently the only known workaround is to"
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echo "install GNU sed before building gcc. The file sed-2.05.bin.hpux10"
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echo "in mirrors of the GNU distribution is a suitable precompiled"
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echo "binary."
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echo ;;
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rs6000-ibm-aix4.1*)
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echo
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echo "G77 has been observed to not build on (at least) the configuration"
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echo "rs6000-ibm-aix4.1.4.0 with the native linker -- it crashes. There"
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echo "may be an IBM bug fix for this (we don't know) but the build should"
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echo "work if you add \`-mminimal-toc' to the compilation flags, i.e. add"
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echo "something like \`BOOT_CFLAGS=\"-O2 -mminimal-toc -g\"' to the \`make"
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echo "bootstrap' command line. Probably building with the GNU linker (from"
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echo "the binutils package) installed and configuring \`--with-gnu-ld' will work."
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echo ;;
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mips-sgi-irix6*)
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echo
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echo Consult
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echo "<URL:http://reality.sgi.com/knobi/gcc-2.7.2.x-on-irix-6.2-6.3>"
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echo "regarding building under IRIX-6.2/6.3/6.4. Note that you *must*"
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echo "have the SGI IDO bought and installed (sigh)."
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echo ;;
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*) ;;
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esac
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