Mercurial > hg > CbC > CbC_gcc
annotate libmudflap/configure.ac @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
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date | Fri, 12 Feb 2010 23:39:51 +0900 |
parents | a06113de4d67 |
children | b7f97abdc517 |
rev | line source |
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0 | 1 # Process this file with autoconf to produce a configure script, like so: |
2 # aclocal -I .. -I ../config && autoconf && autoheader && automake | |
3 | |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
4 AC_PREREQ(2.64) |
0 | 5 AC_INIT(libmudflap, 1.0) |
6 AC_CONFIG_SRCDIR(mf-runtime.c) | |
7 AC_CANONICAL_SYSTEM | |
8 ACX_NONCANONICAL_TARGET | |
9 | |
10 AM_INIT_AUTOMAKE | |
11 | |
12 AC_MSG_CHECKING([for --enable-version-specific-runtime-libs]) | |
13 AC_ARG_ENABLE(version-specific-runtime-libs, | |
14 [ --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory ], | |
15 [case "$enableval" in | |
16 yes) version_specific_libs=yes ;; | |
17 no) version_specific_libs=no ;; | |
18 *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);; | |
19 esac], | |
20 [version_specific_libs=no]) | |
21 AC_MSG_RESULT($version_specific_libs) | |
22 | |
23 AM_MAINTAINER_MODE | |
24 AC_EXEEXT | |
25 | |
26 AM_ENABLE_MULTILIB(, ..) | |
27 | |
28 target_alias=${target_alias-$host_alias} | |
29 AC_SUBST(target_alias) | |
30 | |
31 AC_CONFIG_HEADERS(config.h) | |
32 | |
33 AC_LANG_C | |
34 # The same as in boehm-gc and libstdc++. Have to borrow it from there. | |
35 # We must force CC to /not/ be precious variables; otherwise | |
36 # the wrong, non-multilib-adjusted value will be used in multilibs. | |
37 # As a side effect, we have to subst CFLAGS ourselves. | |
38 | |
39 m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) | |
40 m4_define([_AC_ARG_VAR_PRECIOUS],[]) | |
41 AC_PROG_CC | |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
42 m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) |
0 | 43 |
44 AC_SUBST(CFLAGS) | |
45 | |
46 if test "x$GCC" != "xyes"; then | |
47 AC_MSG_ERROR([libmudflap must be built with GCC]) | |
48 fi | |
49 AC_PROG_CPP | |
50 | |
51 # Some hosts don't have dlsym(RTLD_NEXT, "symbol") for use in | |
52 # symbol interposition. We disable shared libraries for these. | |
53 AC_MSG_CHECKING([whether dlsym(RTLD_NEXT,...) is available]) | |
54 AC_TRY_COMPILE([ | |
55 #define _GNU_SOURCE | |
56 #include <dlfcn.h> | |
57 ], | |
58 [void *foo = dlsym (RTLD_NEXT, "exit");], | |
59 [AC_MSG_RESULT(yes)], | |
60 [AC_MSG_RESULT(no) | |
61 enable_shared=no]) | |
62 | |
63 AC_CHECK_HEADERS(stdint.h execinfo.h signal.h dlfcn.h dirent.h pwd.h grp.h \ | |
64 netdb.h sys/ipc.h sys/sem.h sys/shm.h sys/wait.h ctype.h mntent.h \ | |
65 sys/socket.h netinet/in.h arpa/inet.h dlfcn.h sys/mman.h) | |
66 | |
67 AC_CHECK_FUNCS(backtrace backtrace_symbols gettimeofday signal) | |
68 AC_CHECK_FUNCS(fopen64 fseeko64 ftello64 stat64 freopen64) | |
69 AC_CHECK_FUNCS(setbuf setbuffer setlinebuf setvbuf) | |
70 AC_CHECK_FUNCS(strnlen memrchr strncpy memmem sethostname) | |
71 AC_CHECK_FUNCS(__ctype_b_loc __ctype_tolower_loc __ctype_toupper_loc) | |
72 AC_CHECK_FUNCS(getlogin cuserid getpwnam getpwuid getpwent getgrnam getgrgid getgrent) | |
73 AC_CHECK_FUNCS(getlogin_r getpwnam_r getpwuid_r getgrnam_r getgrgid_r) | |
74 AC_CHECK_FUNCS(getservent getservbyname getservbyport getaddrinfo gai_strerror) | |
75 AC_CHECK_FUNCS(getprotoent getprotobyname getprotobynumber) | |
76 AC_CHECK_FUNCS(getmntent setmntent addmntent) | |
77 AC_CHECK_FUNCS(inet_ntoa mmap munmap) | |
78 AC_CHECK_FUNCS(__libc_freeres) | |
79 | |
80 AC_TRY_COMPILE([#include <sys/types.h> | |
81 #include <sys/ipc.h> | |
82 #include <sys/sem.h>],[union semun foo;], [mf_have_semun=1], [mf_have_semun=0]) | |
83 if test $mf_have_semun = 1 | |
84 then | |
85 AC_DEFINE(HAVE_UNION_SEMUN, 1, [union semun defined in sys/ipc.h or sys/sem.h]) | |
86 fi | |
87 | |
88 | |
89 AC_MSG_CHECKING([for socklen_t in sys/socket.h]) | |
90 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET | |
91 #include <sys/types.h> | |
92 #include <sys/socket.h>], [socklen_t x = 5;], | |
93 [AC_DEFINE(HAVE_SOCKLEN_T, 1, [Define it socklen_t typedef is in sys/socket.h.]) | |
94 AC_MSG_RESULT(yes)], | |
95 [AC_MSG_RESULT(no)]) | |
96 | |
97 AC_LIBTOOL_DLOPEN | |
98 AM_PROG_LIBTOOL | |
99 AC_SUBST(enable_shared) | |
100 AC_SUBST(enable_static) | |
101 | |
102 AC_CHECK_HEADER(stdint.h, [MF_HAVE_STDINT_H=1], [MF_HAVE_STDINT_H=0]) | |
103 AC_SUBST(MF_HAVE_STDINT_H) | |
104 if test $MF_HAVE_STDINT_H = 1 | |
105 then | |
106 MF_HAVE_UINTPTR_T=1 | |
107 else | |
108 AC_TRY_COMPILE([#include <sys/types.h>], [uintptr_t k = 0;], | |
109 [MF_HAVE_UINTPTR_T=1], [MF_HAVE_UINTPTR_T=0]) | |
110 fi | |
111 AC_SUBST(MF_HAVE_UINTPTR_T) | |
112 | |
113 if test ! -d pth | |
114 then | |
115 # libmudflapth objects are built in this subdirectory | |
116 mkdir pth | |
117 fi | |
118 | |
119 AC_CHECK_HEADERS(pthread.h) | |
120 | |
121 AC_MSG_CHECKING([for thread model used by GCC]) | |
122 target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'` | |
123 AC_MSG_RESULT([$target_thread_file]) | |
124 | |
125 # We only support posix threads, or no threads at all. | |
126 posix_threads= | |
127 case ${target_thread_file} in | |
128 posix) | |
129 posix_threads=yes | |
130 ;; | |
131 single) | |
132 ;; | |
133 *) | |
134 echo "${target_thread_file} is an unsupported thread package" 1>&2 | |
135 exit 1 | |
136 ;; | |
137 esac | |
138 | |
139 AM_CONDITIONAL(LIBMUDFLAPTH, [test "x$posix_threads" != "x"]) | |
140 if test "x$posix_threads" != "x" | |
141 then | |
142 build_libmudflapth=1 | |
143 else | |
144 build_libmudflapth=0 | |
145 fi | |
146 AC_SUBST(build_libmudflapth) | |
147 | |
148 AC_CHECK_LIB(dl, dlsym) | |
149 | |
150 # Calculate toolexeclibdir | |
151 # Also toolexecdir, though it's only used in toolexeclibdir | |
152 case ${version_specific_libs} in | |
153 yes) | |
154 # Need the gcc compiler version to know where to install libraries | |
155 # and header files if --enable-version-specific-runtime-libs option | |
156 # is selected. | |
157 toolexecdir='$(libdir)/gcc/$(target_alias)' | |
158 toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)' | |
159 ;; | |
160 no) | |
161 if test -n "$with_cross_host" && | |
162 test x"$with_cross_host" != x"no"; then | |
163 # Install a library built with a cross compiler in tooldir, not libdir. | |
164 toolexecdir='$(exec_prefix)/$(target_alias)' | |
165 toolexeclibdir='$(toolexecdir)/lib' | |
166 else | |
167 toolexecdir='$(libdir)/gcc-lib/$(target_alias)' | |
168 toolexeclibdir='$(libdir)' | |
169 fi | |
170 multi_os_directory=`$CC -print-multi-os-directory` | |
171 case $multi_os_directory in | |
172 .) ;; # Avoid trailing /. | |
173 *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;; | |
174 esac | |
175 ;; | |
176 esac | |
177 AC_SUBST(toolexecdir) | |
178 AC_SUBST(toolexeclibdir) | |
179 | |
180 includedir=${toolexecdir}/include | |
181 AC_SUBST(includedir) | |
182 | |
183 pthread_create_version='""' | |
184 if test "x$enable_shared" = "xyes" && test "x$posix_threads" != "x"; then | |
185 # NB: don't check for -lpthread here, because then it would be | |
186 # added to LIBS. For the thread-unaware libmudflap.la, we don't | |
187 # want it there. | |
188 | |
189 # glibc-related hacks. dlsym() may pick the wrong version of | |
190 # interposed functions like pthread_create on modern glibc. | |
191 # We need to find the proper symbol version string, and use | |
192 # the nonstandard dlvsym(). | |
193 AC_CHECK_FUNCS(dlvsym) | |
194 AC_CHECK_TOOL(NM, nm) | |
195 if test "x$ac_cv_have_dlvsym" != "x"; then | |
196 # Try compiling a simple pthreads program. Find the shared libraries it | |
197 # ends up with. Then use "nm" on those libraries to extract the | |
198 # default symbol versioning suffix ("@@"), if any. But that's tricky. | |
199 # Rather, run nm on the resulting executable. Unfortunately, autoconf | |
200 # doesn't appear to have a macro that builds a test executable for | |
201 # subsequent analysis ... so we do it by hand here. | |
202 cat >> conftest.c << EOF | |
203 #include <pthread.h> | |
204 int main () { void *p = (void *) & pthread_create; return (int) p; } | |
205 EOF | |
206 oldLIBS="$LIBS" | |
207 LIBS="$LIBS -lpthread" | |
208 pthread_create_version="\"\"" | |
209 AC_MSG_CHECKING(pthread_create symbol version) | |
210 if eval $ac_link 2>&5 && test -s conftest${ac_exeext}; then | |
211 version=`$NM conftest${ac_exeect} | grep 'pthread_create@@' | sed -e 's/^.*@@//'` | |
212 if test "x$version" != "x"; then | |
213 pthread_create_version="\"$version\"" | |
214 fi | |
215 fi | |
216 AC_MSG_RESULT($pthread_create_version) | |
217 LIBS="$oldLIBS" | |
218 fi | |
219 fi | |
220 AC_DEFINE_UNQUOTED(PTHREAD_CREATE_VERSION, $pthread_create_version, [pthread_create symbol version]) | |
221 | |
222 | |
223 # Figure out whether the compiler supports "-ffunction-sections -fdata-sections", | |
224 # similarly to how libstdc++ does it | |
225 ac_test_CFLAGS="${CFLAGS+set}" | |
226 ac_save_CFLAGS="$CFLAGS" | |
227 | |
228 # Check for -ffunction-sections -fdata-sections | |
229 AC_MSG_CHECKING([for gcc that supports -ffunction-sections -fdata-sections]) | |
230 CFLAGS='-Werror -ffunction-sections -fdata-sections' | |
231 AC_TRY_COMPILE(, [int foo;], [ac_fdsections=yes], [ac_fdsections=no]) | |
232 if test "$ac_test_CFLAGS" = set; then | |
233 CFLAGS="$ac_save_CFLAGS" | |
234 else | |
235 # this is the suspicious part | |
236 CFLAGS="" | |
237 fi | |
238 if test x"$ac_fdsections" = x"yes"; then | |
239 SECTION_FLAGS='-ffunction-sections -fdata-sections' | |
240 fi | |
241 AC_MSG_RESULT($ac_fdsections) | |
242 AC_SUBST(SECTION_FLAGS) | |
243 | |
244 | |
245 # Check for the name of the symbol used for the entry point. | |
246 AC_CACHE_CHECK([for the name of the symbol used for the entry point], | |
247 [mudflap_cv_entry_point], [ | |
248 for name in _start __start unknown; do | |
249 AC_LINK_IFELSE([AC_LANG_PROGRAM([extern char $name@<:@@:>@;], [$name@<:@0@:>@ = 0;])], | |
250 [break]) | |
251 done | |
252 mudflap_cv_entry_point="$name"]) | |
253 if test "$mudflap_cv_entry_point" = unknown; then | |
254 AC_MSG_ERROR([none of the known symbol names works]) | |
255 fi | |
256 AC_DEFINE_UNQUOTED([ENTRY_POINT], [$mudflap_cv_entry_point], | |
257 [Define to the name of the symbol used for the entry point.]) | |
258 | |
259 | |
260 if test ${multilib} = yes; then | |
261 multilib_arg="--enable-multilib" | |
262 else | |
263 multilib_arg= | |
264 fi | |
265 | |
266 # See if we support thread-local storage. | |
267 GCC_CHECK_TLS | |
268 GCC_CHECK_EMUTLS | |
269 | |
270 AC_CONFIG_FILES([Makefile testsuite/Makefile testsuite/mfconfig.exp]) | |
271 AC_OUTPUT |