Commit | Line | Data |
---|---|---|
252b5132 RH |
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 | ||
2844ed43 | 8 | AM_INIT_AUTOMAKE(ld, 2.9.5) |
252b5132 RH |
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 ${enableval} for 64-bit-bfd option) ;; | |
26 | esac],[want64=false])dnl | |
27 | ||
a2d91340 AC |
28 | build_warnings="-W -Wall" |
29 | AC_ARG_ENABLE(build-warnings, | |
30 | [ --enable-build-warnings Enable build-time compiler warnings if gcc is used], | |
31 | [case "${enableval}" in | |
32 | yes) ;; | |
33 | no) build_warnings="-w";; | |
34 | ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"` | |
35 | build_warnings="${build_warnings} ${t}";; | |
36 | *,) t=`echo "${enableval}" | sed -e "s/,/ /g"` | |
37 | build_warnings="${t} ${build_warnings}";; | |
38 | *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;; | |
39 | esac | |
40 | if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then | |
41 | echo "Setting warning flags = $build_warnings" 6>&1 | |
42 | fi])dnl | |
43 | WARN_CFLAGS="" | |
44 | if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then | |
45 | WARN_CFLAGS="${build_warnings}" | |
46 | fi | |
47 | AC_SUBST(WARN_CFLAGS) | |
48 | ||
252b5132 RH |
49 | AM_CONFIG_HEADER(config.h:config.in) |
50 | ||
51 | if test -z "$target" ; then | |
52 | AC_MSG_ERROR(Unrecognized target system type; please check config.sub.) | |
53 | fi | |
54 | if test -z "$host" ; then | |
55 | AC_MSG_ERROR(Unrecognized host system type; please check config.sub.) | |
56 | fi | |
57 | ||
58 | # host-specific stuff: | |
59 | ||
60 | AC_PROG_CC | |
61 | AC_PROG_INSTALL | |
62 | ||
63 | ALL_LINGUAS= | |
64 | CY_GNU_GETTEXT | |
65 | ||
66 | AC_EXEEXT | |
67 | ||
68 | AC_PROG_YACC | |
69 | AM_PROG_LEX | |
70 | ||
71 | AM_MAINTAINER_MODE | |
72 | ||
73 | . ${srcdir}/configure.host | |
74 | ||
75 | AC_SUBST(HDEFINES) | |
76 | AC_SUBST(HOSTING_CRT0) | |
77 | AC_SUBST(HOSTING_LIBS) | |
78 | AC_SUBST(NATIVE_LIB_DIRS) | |
79 | ||
80 | AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h) | |
81 | AC_CHECK_FUNCS(sbrk) | |
82 | AC_HEADER_DIRENT | |
83 | ||
84 | BFD_BINARY_FOPEN | |
85 | ||
86 | BFD_NEED_DECLARATION(strstr) | |
87 | BFD_NEED_DECLARATION(free) | |
88 | BFD_NEED_DECLARATION(sbrk) | |
89 | BFD_NEED_DECLARATION(getenv) | |
90 | BFD_NEED_DECLARATION(environ) | |
91 | ||
597e2591 ILT |
92 | # When converting linker scripts into strings for use in emulation |
93 | # files, use astring.sed if the compiler supports ANSI string | |
94 | # concatenation, or ostring.sed otherwise. This is to support the | |
95 | # broken Microsoft MSVC compiler, which limits the length of string | |
96 | # constants, while still supporting pre-ANSI compilers which do not | |
97 | # support string concatenation. | |
e4dabd0e | 98 | AC_MSG_CHECKING([whether ANSI C string concatenation works]) |
597e2591 ILT |
99 | AC_CACHE_VAL(ld_cv_string_concatenation, |
100 | [AC_TRY_COMPILE(,[char *a = "a" "a";], | |
e4dabd0e AS |
101 | [ld_cv_string_concatenation=yes], |
102 | [ld_cv_string_concatenation=no])]) | |
103 | AC_MSG_RESULT($ld_cv_string_concatenation) | |
104 | if test "$ld_cv_string_concatenation" = "yes"; then | |
597e2591 ILT |
105 | STRINGIFY=astring.sed |
106 | else | |
107 | STRINGIFY=ostring.sed | |
108 | fi | |
109 | AC_SUBST(STRINGIFY) | |
110 | ||
252b5132 RH |
111 | # target-specific stuff: |
112 | ||
113 | all_targets= | |
114 | EMUL= | |
115 | all_emuls= | |
116 | all_emul_extras= | |
ba2be581 | 117 | all_libpath= |
252b5132 RH |
118 | |
119 | dnl We need to get an arbitrary number of tdir definitions into | |
120 | dnl Makefile. We can't do it using AC_SUBST, because autoconf does | |
121 | dnl not permit literal newlines in an AC_SUBST variables. So we use a | |
122 | dnl file. | |
123 | rm -f tdirs | |
124 | ||
125 | for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'` | |
126 | do | |
127 | if test "$targ_alias" = "all"; then | |
128 | all_targets=true | |
129 | else | |
130 | # Canonicalize the secondary target names. | |
a8100d5b | 131 | result=`$ac_config_sub $targ_alias 2>/dev/null` |
252b5132 RH |
132 | if test -n "$result"; then |
133 | targ=$result | |
134 | else | |
135 | targ=$targ_alias | |
136 | fi | |
137 | ||
138 | . ${srcdir}/configure.tgt | |
139 | ||
140 | if test "$targ" = "$target"; then | |
141 | EMUL=$targ_emul | |
142 | fi | |
143 | ||
3336653a | 144 | for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do |
252b5132 RH |
145 | case " $all_emuls " in |
146 | *" e${i}.o "*) ;; | |
147 | *) | |
148 | all_emuls="$all_emuls e${i}.o" | |
149 | eval result=\$tdir_$i | |
150 | test -z "$result" && result=$targ_alias | |
151 | echo tdir_$i=$result >> tdirs | |
152 | ;; | |
153 | esac | |
154 | done | |
155 | ||
ba2be581 | 156 | for i in $targ_emul $targ_extra_libpath; do |
3336653a RH |
157 | case " $all_libpath " in |
158 | *" ${i} "*) ;; | |
159 | *) | |
ba2be581 RH |
160 | if test -z "$all_libpath"; then |
161 | all_libpath=${i} | |
162 | else | |
163 | all_libpath="$all_libpath ${i}" | |
164 | fi | |
3336653a RH |
165 | ;; |
166 | esac | |
167 | done | |
168 | ||
252b5132 RH |
169 | for i in $targ_extra_ofiles; do |
170 | case " $all_emul_extras " in | |
171 | *" ${i} "*) ;; | |
172 | *) | |
173 | all_emul_extras="$all_emul_extras ${i}" | |
174 | ;; | |
175 | esac | |
176 | done | |
177 | fi | |
178 | done | |
179 | ||
180 | AC_SUBST(EMUL) | |
181 | ||
182 | TDIRS=tdirs | |
183 | AC_SUBST_FILE(TDIRS) | |
184 | ||
185 | dnl FIXME: We will build a 64 bit BFD for a 64 bit host or a 64 bit | |
186 | dnl target, and in those cases we should also build the 64 bit | |
187 | dnl emulations. | |
188 | if test x${all_targets} = xtrue; then | |
189 | if test x${want64} = xtrue; then | |
190 | EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)' | |
191 | else | |
192 | EMULATION_OFILES='$(ALL_EMULATIONS)' | |
193 | fi | |
194 | EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)' | |
195 | else | |
196 | EMULATION_OFILES=$all_emuls | |
197 | EMUL_EXTRA_OFILES=$all_emul_extras | |
198 | fi | |
199 | AC_SUBST(EMULATION_OFILES) | |
200 | AC_SUBST(EMUL_EXTRA_OFILES) | |
201 | ||
3336653a RH |
202 | EMULATION_LIBPATH=$all_libpath |
203 | AC_SUBST(EMULATION_LIBPATH) | |
204 | ||
252b5132 RH |
205 | if test x${enable_static} = xno; then |
206 | TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so" | |
207 | else | |
208 | TESTBFDLIB="../bfd/.libs/libbfd.a" | |
209 | fi | |
210 | AC_SUBST(TESTBFDLIB) | |
211 | ||
93a6d436 JL |
212 | target_vendor=${target_vendor=$host_vendor} |
213 | case "$target_vendor" in | |
214 | hp) EXTRA_SHLIB_EXTENSION=".sl" ;; | |
215 | *) EXTRA_SHLIB_EXTENSION= ;; | |
216 | esac | |
217 | if test x${EXTRA_SHLIB_EXTENSION} != x ; then | |
218 | AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION", | |
219 | [Additional extension a shared object might have.]) | |
220 | fi | |
221 | ||
252b5132 RH |
222 | AC_OUTPUT(Makefile po/Makefile.in:po/Make-in, |
223 | [sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile]) |