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[external/binutils.git] / ld / configure.in
1 dnl Process this file with autoconf to produce a configure script
2 dnl
3 AC_PREREG(2.13)
4 AC_INIT(ldmain.c)
5
6 AC_CANONICAL_SYSTEM
7
8 AM_INIT_AUTOMAKE(ld, 2.9.5)
9
10 AM_PROG_LIBTOOL
11
12 AC_ARG_ENABLE(targets,
13 [  --enable-targets        alternative target configurations],
14 [case "${enableval}" in
15   yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
16             ;;
17   no)       enable_targets= ;;
18   *)        enable_targets=$enableval ;;
19 esac])dnl
20 AC_ARG_ENABLE(64-bit-bfd,
21 [  --enable-64-bit-bfd     64-bit support (on hosts with narrower word sizes)],
22 [case "${enableval}" in
23   yes)  want64=true  ;;
24   no)   want64=false ;;
25   *)    AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
26 esac],[want64=false])dnl
27
28 AM_CONFIG_HEADER(config.h:config.in)
29
30 if test -z "$target" ; then
31     AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
32 fi
33 if test -z "$host" ; then
34     AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
35 fi
36
37 # host-specific stuff:
38
39 AC_PROG_CC
40 AC_PROG_INSTALL
41
42 ALL_LINGUAS=
43 CY_GNU_GETTEXT
44
45 AC_EXEEXT
46
47 AC_PROG_YACC
48 AM_PROG_LEX
49
50 AM_MAINTAINER_MODE
51
52 . ${srcdir}/configure.host
53
54 AC_SUBST(HDEFINES)
55 AC_SUBST(HOSTING_CRT0)
56 AC_SUBST(HOSTING_LIBS)
57 AC_SUBST(NATIVE_LIB_DIRS)
58
59 AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
60 AC_CHECK_FUNCS(sbrk)
61 AC_HEADER_DIRENT
62
63 BFD_BINARY_FOPEN
64
65 BFD_NEED_DECLARATION(strstr)
66 BFD_NEED_DECLARATION(free)
67 BFD_NEED_DECLARATION(sbrk)
68 BFD_NEED_DECLARATION(getenv)
69 BFD_NEED_DECLARATION(environ)
70
71 # target-specific stuff:
72
73 all_targets=
74 EMUL=
75 all_emuls=
76 all_emul_extras=
77 all_libpath=
78
79 dnl We need to get an arbitrary number of tdir definitions into
80 dnl Makefile.  We can't do it using AC_SUBST, because autoconf does
81 dnl not permit literal newlines in an AC_SUBST variables.  So we use a
82 dnl file.
83 rm -f tdirs
84
85 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
86 do
87   if test "$targ_alias" = "all"; then
88     all_targets=true
89   else
90     # Canonicalize the secondary target names.
91     result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $targ_alias 2>/dev/null`
92     if test -n "$result"; then
93         targ=$result
94     else
95         targ=$targ_alias
96     fi
97
98     . ${srcdir}/configure.tgt
99
100     if test "$targ" = "$target"; then
101       EMUL=$targ_emul
102     fi
103
104     for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do
105         case " $all_emuls " in
106         *" e${i}.o "*) ;;
107         *)
108           all_emuls="$all_emuls e${i}.o"
109           eval result=\$tdir_$i
110           test -z "$result" && result=$targ_alias
111           echo tdir_$i=$result >> tdirs
112           ;;
113         esac
114     done
115
116     for i in $targ_emul $targ_extra_libpath; do
117         case " $all_libpath " in
118         *" ${i} "*) ;;
119         *)
120           if test -z "$all_libpath"; then
121             all_libpath=${i}
122           else
123             all_libpath="$all_libpath ${i}"
124           fi
125           ;;
126         esac
127     done
128
129     for i in $targ_extra_ofiles; do
130         case " $all_emul_extras " in
131         *" ${i} "*) ;;
132         *)
133           all_emul_extras="$all_emul_extras ${i}"
134           ;;
135         esac
136     done
137   fi
138 done
139
140 AC_SUBST(EMUL)
141
142 TDIRS=tdirs
143 AC_SUBST_FILE(TDIRS)
144
145 dnl FIXME: We will build a 64 bit BFD for a 64 bit host or a 64 bit
146 dnl target, and in those cases we should also build the 64 bit
147 dnl emulations.
148 if test x${all_targets} = xtrue; then
149   if test x${want64} = xtrue; then
150     EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
151   else
152     EMULATION_OFILES='$(ALL_EMULATIONS)'
153   fi
154   EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
155 else
156   EMULATION_OFILES=$all_emuls
157   EMUL_EXTRA_OFILES=$all_emul_extras
158 fi
159 AC_SUBST(EMULATION_OFILES)
160 AC_SUBST(EMUL_EXTRA_OFILES)
161
162 EMULATION_LIBPATH=$all_libpath
163 AC_SUBST(EMULATION_LIBPATH)
164
165 if test x${enable_static} = xno; then
166   TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
167 else
168   TESTBFDLIB="../bfd/.libs/libbfd.a"
169 fi
170 AC_SUBST(TESTBFDLIB)
171
172 AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
173 [sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])