Commit | Line | Data |
---|---|---|
ef346f1a ILT |
1 | dnl Process this file with autoconf to produce a configure script |
2 | dnl | |
b9a5c27f | 3 | AC_PREREG(2.5) |
ef346f1a ILT |
4 | AC_INIT(ldmain.c) |
5 | ||
49c009b5 ILT |
6 | AC_CANONICAL_SYSTEM |
7 | ||
8 | AM_INIT_AUTOMAKE(ld, 2.8.2) | |
9 | ||
10 | AM_PROG_LIBTOOL | |
11 | ||
ef346f1a ILT |
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 | |
b9a5c27f RS |
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 ${enableval} for 64-bit-bfd option) ;; | |
26 | esac],[want64=false])dnl | |
ef346f1a | 27 | |
49c009b5 | 28 | AM_CONFIG_HEADER(config.h:config.in) |
ef346f1a | 29 | |
ef346f1a ILT |
30 | if test -z "$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 | |
02757e59 | 36 | |
ef346f1a | 37 | # host-specific stuff: |
02757e59 | 38 | |
7e19f60e | 39 | AC_PROG_CC |
49c009b5 ILT |
40 | AM_PROG_INSTALL |
41 | AM_CYGWIN32 | |
42 | AM_EXEEXT | |
43 | ||
44 | AC_PROG_YACC | |
45 | AC_PROG_LEX | |
46 | AC_DECL_YYTEXT | |
47 | ||
48 | AM_MAINTAINER_MODE | |
7e19f60e | 49 | |
ef346f1a | 50 | . ${srcdir}/configure.host |
02757e59 | 51 | |
ef346f1a ILT |
52 | AC_SUBST(HDEFINES) |
53 | AC_SUBST(HOSTING_CRT0) | |
54 | AC_SUBST(HOSTING_LIBS) | |
55 | AC_SUBST(NATIVE_LIB_DIRS) | |
8ddef552 | 56 | |
ef346f1a ILT |
57 | AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h) |
58 | AC_CHECK_FUNCS(sbrk) | |
2e598345 | 59 | AC_HEADER_DIRENT |
ab57b174 | 60 | |
ef346f1a | 61 | BFD_BINARY_FOPEN |
02757e59 | 62 | |
b9a5c27f | 63 | BFD_NEED_DECLARATION(strstr) |
2e598345 | 64 | BFD_NEED_DECLARATION(free) |
b9a5c27f RS |
65 | BFD_NEED_DECLARATION(sbrk) |
66 | BFD_NEED_DECLARATION(getenv) | |
2e598345 | 67 | |
ef346f1a | 68 | # target-specific stuff: |
02757e59 | 69 | |
95d31c3c | 70 | all_targets= |
ef346f1a ILT |
71 | EMUL= |
72 | all_emuls= | |
95d31c3c | 73 | TDIRS= |
1c4b3cda | 74 | |
95d31c3c | 75 | for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'` |
1c4b3cda | 76 | do |
95d31c3c ILT |
77 | if test "$targ_alias" = "all"; then |
78 | all_targets=true | |
79 | else | |
80 | # Canonicalize the secondary target names. | |
b9a5c27f | 81 | result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $targ_alias 2>/dev/null` |
95d31c3c ILT |
82 | if test -n "$result"; then |
83 | targ=$result | |
1c4b3cda | 84 | else |
95d31c3c ILT |
85 | targ=$targ_alias |
86 | fi | |
7f2649bb | 87 | |
95d31c3c | 88 | . ${srcdir}/configure.tgt |
ef346f1a | 89 | |
95d31c3c ILT |
90 | if test "$targ" = "$target"; then |
91 | EMUL=$targ_emul | |
1c4b3cda | 92 | fi |
1c4b3cda | 93 | |
95d31c3c ILT |
94 | for i in $targ_emul $targ_extra_emuls; do |
95 | case " $all_emuls " in | |
96 | *" e${i}.o "*) ;; | |
97 | *) | |
98 | all_emuls="$all_emuls e${i}.o" | |
99 | eval result=\$tdir_$i | |
100 | test -z "$result" && result=$targ_alias | |
101 | TDIRS="$TDIRS\\ | |
102 | tdir_$i=$result" | |
103 | ;; | |
1c4b3cda ILT |
104 | esac |
105 | done | |
95d31c3c ILT |
106 | fi |
107 | done | |
1c4b3cda | 108 | |
95d31c3c ILT |
109 | AC_SUBST(EMUL) |
110 | AC_SUBST(TDIRS) | |
1c4b3cda | 111 | |
b9a5c27f RS |
112 | dnl FIXME: We will build a 64 bit BFD for a 64 bit host or a 64 bit |
113 | dnl target, and in those cases we should also build the 64 bit | |
114 | dnl emulations. | |
95d31c3c | 115 | if test x${all_targets} = xtrue; then |
b9a5c27f RS |
116 | if test x${want64} = xtrue; then |
117 | EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)' | |
118 | else | |
119 | EMULATION_OFILES='$(ALL_EMULATIONS)' | |
120 | fi | |
95d31c3c ILT |
121 | else |
122 | EMULATION_OFILES=$all_emuls | |
123 | fi | |
ef346f1a | 124 | AC_SUBST(EMULATION_OFILES) |
8ddef552 | 125 | |
49c009b5 | 126 | AC_OUTPUT(Makefile) |