Lucas De Marchi | da6c0d2 | 2015-03-05 13:03:35 -0300 | [diff] [blame] | 1 | dnl dolt, a replacement for libtool |
| 2 | dnl Copyright © 2007-2010 Josh Triplett <josh@joshtriplett.org> |
| 3 | dnl Copying and distribution of this file, with or without modification, |
| 4 | dnl are permitted in any medium without royalty provided the copyright |
| 5 | dnl notice and this notice are preserved. |
| 6 | dnl |
| 7 | dnl To use dolt, invoke the DOLT macro immediately after the libtool macros. |
| 8 | dnl Optionally, copy this file into acinclude.m4, to avoid the need to have it |
| 9 | dnl installed when running autoconf on your project. |
| 10 | |
| 11 | AC_DEFUN([DOLT], [ |
| 12 | AC_REQUIRE([AC_CANONICAL_HOST]) |
| 13 | # dolt, a replacement for libtool |
| 14 | # Josh Triplett <josh@freedesktop.org> |
Lucas De Marchi | 9cc8a20 | 2015-03-10 15:17:03 -0300 | [diff] [blame] | 15 | AC_PATH_PROG([DOLT_BASH], [bash]) |
Lucas De Marchi | da6c0d2 | 2015-03-05 13:03:35 -0300 | [diff] [blame] | 16 | AC_MSG_CHECKING([if dolt supports this host]) |
| 17 | dolt_supported=yes |
Lucas De Marchi | 9cc8a20 | 2015-03-10 15:17:03 -0300 | [diff] [blame] | 18 | AS_IF([test x$DOLT_BASH = x], [dolt_supported=no]) |
| 19 | AS_IF([test x$GCC != xyes], [dolt_supported=no]) |
| 20 | |
| 21 | AS_CASE([$host], |
| 22 | [*-*-linux*|*-*-freebsd*], [pic_options='-fPIC'], |
| 23 | [*-apple-darwin*], [pic_options='-fno-common'], |
| 24 | [*mingw*|*nacl*], [pic_options=''] |
| 25 | [*], [dolt_supported=no] |
| 26 | ) |
| 27 | AS_IF([test x$dolt_supported = xno], [ |
Lucas De Marchi | da6c0d2 | 2015-03-05 13:03:35 -0300 | [diff] [blame] | 28 | AC_MSG_RESULT([no, falling back to libtool]) |
Lucas De Marchi | 9cc8a20 | 2015-03-10 15:17:03 -0300 | [diff] [blame] | 29 | LTCOMPILE='$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(COMPILE)' |
| 30 | LTCXXCOMPILE='$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXXCOMPILE)' |
| 31 | m4_pattern_allow([AM_V_lt]) |
| 32 | ], [ |
Lucas De Marchi | da6c0d2 | 2015-03-05 13:03:35 -0300 | [diff] [blame] | 33 | AC_MSG_RESULT([yes, replacing libtool]) |
| 34 | |
| 35 | dnl Start writing out doltcompile. |
| 36 | cat <<__DOLTCOMPILE__EOF__ >doltcompile |
| 37 | #!$DOLT_BASH |
| 38 | __DOLTCOMPILE__EOF__ |
| 39 | cat <<'__DOLTCOMPILE__EOF__' >>doltcompile |
| 40 | args=("$[]@") |
| 41 | for ((arg=0; arg<${#args@<:@@@:>@}; arg++)) ; do |
| 42 | if test x"${args@<:@$arg@:>@}" = x-o ; then |
| 43 | objarg=$((arg+1)) |
| 44 | break |
| 45 | fi |
| 46 | done |
| 47 | if test x$objarg = x ; then |
| 48 | echo 'Error: no -o on compiler command line' 1>&2 |
| 49 | exit 1 |
| 50 | fi |
| 51 | lo="${args@<:@$objarg@:>@}" |
| 52 | obj="${lo%.lo}" |
| 53 | if test x"$lo" = x"$obj" ; then |
| 54 | echo "Error: libtool object file name \"$lo\" does not end in .lo" 1>&2 |
| 55 | exit 1 |
| 56 | fi |
| 57 | objbase="${obj##*/}" |
| 58 | __DOLTCOMPILE__EOF__ |
| 59 | |
| 60 | dnl Write out shared compilation code. |
| 61 | if test x$enable_shared = xyes; then |
| 62 | cat <<'__DOLTCOMPILE__EOF__' >>doltcompile |
| 63 | libobjdir="${obj%$objbase}.libs" |
| 64 | if test ! -d "$libobjdir" ; then |
| 65 | mkdir_out="$(mkdir "$libobjdir" 2>&1)" |
| 66 | mkdir_ret=$? |
| 67 | if test "$mkdir_ret" -ne 0 && test ! -d "$libobjdir" ; then |
| 68 | echo "$mkdir_out" 1>&2 |
| 69 | exit $mkdir_ret |
| 70 | fi |
| 71 | fi |
| 72 | pic_object="$libobjdir/$objbase.o" |
| 73 | args@<:@$objarg@:>@="$pic_object" |
| 74 | __DOLTCOMPILE__EOF__ |
| 75 | cat <<__DOLTCOMPILE__EOF__ >>doltcompile |
Lucas De Marchi | 9cc8a20 | 2015-03-10 15:17:03 -0300 | [diff] [blame] | 76 | pic_options="$pic_options" |
| 77 | if test x\$passthrough = xtrue; then |
| 78 | pic_options="" |
| 79 | fi |
| 80 | __DOLTCOMPILE__EOF__ |
| 81 | cat <<'__DOLTCOMPILE__EOF__' >>doltcompile |
| 82 | "${args@<:@@@:>@}" $pic_options -DPIC || exit $? |
Lucas De Marchi | da6c0d2 | 2015-03-05 13:03:35 -0300 | [diff] [blame] | 83 | __DOLTCOMPILE__EOF__ |
| 84 | fi |
| 85 | |
| 86 | dnl Write out static compilation code. |
| 87 | dnl Avoid duplicate compiler output if also building shared objects. |
| 88 | if test x$enable_static = xyes; then |
| 89 | cat <<'__DOLTCOMPILE__EOF__' >>doltcompile |
| 90 | non_pic_object="$obj.o" |
| 91 | args@<:@$objarg@:>@="$non_pic_object" |
| 92 | __DOLTCOMPILE__EOF__ |
| 93 | if test x$enable_shared = xyes; then |
| 94 | cat <<'__DOLTCOMPILE__EOF__' >>doltcompile |
| 95 | "${args@<:@@@:>@}" >/dev/null 2>&1 || exit $? |
| 96 | __DOLTCOMPILE__EOF__ |
| 97 | else |
| 98 | cat <<'__DOLTCOMPILE__EOF__' >>doltcompile |
| 99 | "${args@<:@@@:>@}" || exit $? |
| 100 | __DOLTCOMPILE__EOF__ |
| 101 | fi |
| 102 | fi |
| 103 | |
| 104 | dnl Write out the code to write the .lo file. |
| 105 | dnl The second line of the .lo file must match "^# Generated by .*libtool" |
| 106 | cat <<'__DOLTCOMPILE__EOF__' >>doltcompile |
| 107 | { |
| 108 | echo "# $lo - a libtool object file" |
| 109 | echo "# Generated by doltcompile, not libtool" |
| 110 | __DOLTCOMPILE__EOF__ |
| 111 | |
| 112 | if test x$enable_shared = xyes; then |
| 113 | cat <<'__DOLTCOMPILE__EOF__' >>doltcompile |
| 114 | echo "pic_object='.libs/${objbase}.o'" |
| 115 | __DOLTCOMPILE__EOF__ |
| 116 | else |
| 117 | cat <<'__DOLTCOMPILE__EOF__' >>doltcompile |
| 118 | echo pic_object=none |
| 119 | __DOLTCOMPILE__EOF__ |
| 120 | fi |
| 121 | |
| 122 | if test x$enable_static = xyes; then |
| 123 | cat <<'__DOLTCOMPILE__EOF__' >>doltcompile |
| 124 | echo "non_pic_object='${objbase}.o'" |
| 125 | __DOLTCOMPILE__EOF__ |
| 126 | else |
| 127 | cat <<'__DOLTCOMPILE__EOF__' >>doltcompile |
| 128 | echo non_pic_object=none |
| 129 | __DOLTCOMPILE__EOF__ |
| 130 | fi |
| 131 | |
| 132 | cat <<'__DOLTCOMPILE__EOF__' >>doltcompile |
| 133 | } > "$lo" |
| 134 | __DOLTCOMPILE__EOF__ |
| 135 | |
| 136 | dnl Done writing out doltcompile; substitute it for libtool compilation. |
| 137 | chmod +x doltcompile |
| 138 | LTCOMPILE='$(top_builddir)/doltcompile $(COMPILE)' |
| 139 | LTCXXCOMPILE='$(top_builddir)/doltcompile $(CXXCOMPILE)' |
| 140 | |
| 141 | dnl automake ignores LTCOMPILE and LTCXXCOMPILE when it has separate CFLAGS for |
| 142 | dnl a target, so write out a libtool wrapper to handle that case. |
| 143 | dnl Note that doltlibtool does not handle inferred tags or option arguments |
| 144 | dnl without '=', because automake does not use them. |
| 145 | cat <<__DOLTLIBTOOL__EOF__ > doltlibtool |
| 146 | #!$DOLT_BASH |
| 147 | __DOLTLIBTOOL__EOF__ |
| 148 | cat <<'__DOLTLIBTOOL__EOF__' >>doltlibtool |
| 149 | top_builddir_slash="${0%%doltlibtool}" |
| 150 | : ${top_builddir_slash:=./} |
| 151 | args=() |
| 152 | modeok=false |
| 153 | tagok=false |
| 154 | for arg in "$[]@"; do |
| 155 | case "$arg" in |
Lucas De Marchi | da6c0d2 | 2015-03-05 13:03:35 -0300 | [diff] [blame] | 156 | --mode=compile) modeok=true ;; |
| 157 | --tag=CC|--tag=CXX) tagok=true ;; |
Lucas De Marchi | 9cc8a20 | 2015-03-10 15:17:03 -0300 | [diff] [blame] | 158 | --tag=disable-static) tagok=true ;; |
| 159 | --tag=ASM|--tag=YASM) tagok=true; passthrough=true;; |
| 160 | --silent|--quiet) ;; |
Lucas De Marchi | da6c0d2 | 2015-03-05 13:03:35 -0300 | [diff] [blame] | 161 | *) args@<:@${#args[@]}@:>@="$arg" ;; |
| 162 | esac |
| 163 | done |
| 164 | if $modeok && $tagok ; then |
| 165 | . ${top_builddir_slash}doltcompile "${args@<:@@@:>@}" |
| 166 | else |
| 167 | exec ${top_builddir_slash}libtool "$[]@" |
| 168 | fi |
| 169 | __DOLTLIBTOOL__EOF__ |
| 170 | |
| 171 | dnl Done writing out doltlibtool; substitute it for libtool. |
| 172 | chmod +x doltlibtool |
| 173 | LIBTOOL='$(top_builddir)/doltlibtool' |
Lucas De Marchi | 9cc8a20 | 2015-03-10 15:17:03 -0300 | [diff] [blame] | 174 | |
| 175 | DOLT_CLEANFILES="doltlibtool doltcompile" |
| 176 | AC_SUBST(DOLT_CLEANFILES) |
| 177 | ]) |
Lucas De Marchi | da6c0d2 | 2015-03-05 13:03:35 -0300 | [diff] [blame] | 178 | AC_SUBST(LTCOMPILE) |
| 179 | AC_SUBST(LTCXXCOMPILE) |
| 180 | # end dolt |
| 181 | ]) |