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https://github.com/mirror/make.git
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115 lines
3.0 KiB
Bash
115 lines
3.0 KiB
Bash
#!/bin/sh
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# Shell script to build GNU Make in the absence of any 'make' program.
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# @configure_input@
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# Copyright (C) 1993-2019 Free Software Foundation, Inc.
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# This file is part of GNU Make.
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#
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# GNU Make is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 3 of the License, or (at your option) any later
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# version.
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#
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# GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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# details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program. If not, see <http://www.gnu.org/licenses/>.
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# See Makefile.in for comments describing these variables.
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LIBOBJDIR=lib/
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U=
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top_srcdir='@top_srcdir@'
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CC='@CC@'
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AR='@AR@'
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CFLAGS='@CFLAGS@ @GUILE_CFLAGS@'
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CPPFLAGS='@CPPFLAGS@'
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DEFS='@DEFS@'
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ARFLAGS='@ARFLAGS@'
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LDFLAGS='@AM_LDFLAGS@ @LDFLAGS@'
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ALLOCA='@ALLOCA@'
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LOADLIBES='@LIBS@ @GUILE_LIBS@ @LIBINTL@'
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REMOTE='@REMOTE@'
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OBJEXT='@OBJEXT@'
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EXEEXT='@EXEEXT@'
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# Common prefix for machine-independent installed files.
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prefix='@prefix@'
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# Common prefix for machine-dependent installed files.
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exec_prefix=`eval echo @exec_prefix@`
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# Directory to find libraries in for '-lXXX'.
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libdir=$exec_prefix/lib
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# Directory to search by default for included makefiles.
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includedir=$prefix/include
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localedir=$prefix/share/locale
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defines="-DLOCALEDIR=\"$localedir\" -DLIBDIR=\"$libdir\" -DINCLUDEDIR=\"$includedir\""
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# Look up a make variable value
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# It can handle very simple recursion, where variables are separate words
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get_mk_var ()
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{
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file=$1
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var=$2
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val=
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v=$(sed -e :a -e '/\\$/N; s/\\\n//; ta' "$file" | sed -n "s=^ *$var *\= *==p")
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for w in $v; do
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case $w in
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(\$[\(\{]*[\)\}]) w=${w#\$[\(\{]}; w=$(get_mk_var "$file" "${w%[\)\}]}") ;;
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esac
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val="${val:+$val }$w"
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done
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printf %s "$val"
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}
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# Get source files provided from gnulib
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LIBOBJS=
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for lc in $(get_mk_var lib/Makefile libgnu_a_SOURCES); do
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case $lc in
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(*.c) LIBOBJS="${LIBOBJS:+$LIBOBJS }$LIBOBJDIR${lc%.c}.$OBJEXT" ;;
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(*) echo ignore $lc ;;
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esac
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done
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compile ()
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{
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objs=
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for ofile in "$@"; do
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file=${ofile%.$OBJEXT}.c
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echo "compiling $file..."
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mkdir -p _bldobj/${file%/*}
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of=_bldobj/$ofile
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$CC $defines $DEFS $CPPFLAGS $CFLAGS -c -o "$of" \
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-Isrc -I"$top_srcdir"/src -Ilib -I"$top_srcdir"/lib "$top_srcdir/$file"
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objs="${objs:+$objs }$of"
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done
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}
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# Exit as soon as any command fails.
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set -e
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rm -rf _bldobj
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mkdir _bldobj
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# Build the gnulib library
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compile $LIBOBJS
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echo creating libgnu.a...
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$AR $ARFLAGS _bldobj/lib/libgnu.a $objs
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# Compile the source files into those objects.
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compile %objs% src/remote-$REMOTE.$OBJEXT
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# Link all the objects together.
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echo linking make...
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$CC $CFLAGS $LDFLAGS -L_bldobj/lib $objs -lgnu $LOADLIBES -o makenew$EXEEXT
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echo done
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mv -f makenew$EXEEXT make$EXEEXT
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