Mercurial > hg > CbC > CbC_gcc
annotate libmudflap/configure.ac @ 63:b7f97abdc517 gcc-4.6-20100522
update gcc from gcc-4.5.0 to gcc-4.6
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 24 May 2010 12:47:05 +0900 |
| parents | 77e2b8dfacca |
| children |
| rev | line source |
|---|---|
| 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 | |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
10 AM_INIT_AUTOMAKE([no-dist]) |
| 0 | 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 |