From d7730bac5b23de6b2efdea88aa332e9a4c6dfcfb Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Tue, 27 Dec 2005 16:37:57 +0000 Subject: [PATCH] PR binutils/1990 * libtool.m4: Synchronize with version in GCC sources. --- ChangeLog | 5 +++ libtool.m4 | 117 ++++++++++++++++++++++++++++++++++++++++++++++++----- 2 files changed, 113 insertions(+), 9 deletions(-) diff --git a/ChangeLog b/ChangeLog index 6ccd6565696..d7e808a651a 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2005-12-27 Nick Clifton + + PR binutils/1990 + * libtool.m4: Synchronize with version in GCC sources. + 2005-12-20 Paolo Bonzini Revert Ada-related part of the previous change. diff --git a/libtool.m4 b/libtool.m4 index 85f74ee1793..cbd74d57161 100644 --- a/libtool.m4 +++ b/libtool.m4 @@ -103,6 +103,8 @@ AC_REQUIRE([AC_OBJEXT])dnl AC_REQUIRE([AC_EXEEXT])dnl dnl +AC_LIBTOOL_SYS_MAX_CMD_LEN + # Only perform the check for file, if the check method requires it case $deplibs_check_method in file_magic*) @@ -189,6 +191,48 @@ ia64-*-hpux*) rm -rf conftest* ;; +x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*|s390*-*linux*|sparc*-*linux*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case "`/usr/bin/file conftest.o`" in + *32-bit*) + case $host in + x86_64-*linux*) + LD="${LD-ld} -m elf_i386" + ;; + ppc64-*linux*|powerpc64-*linux*) + LD="${LD-ld} -m elf32ppclinux" + ;; + s390x-*linux*) + LD="${LD-ld} -m elf_s390" + ;; + sparc64-*linux*) + LD="${LD-ld} -m elf32_sparc" + ;; + esac + ;; + *64-bit*) + case $host in + x86_64-*linux*) + LD="${LD-ld} -m elf_x86_64" + ;; + ppc*-*linux*|powerpc*-*linux*) + LD="${LD-ld} -m elf64ppc" + ;; + s390*-*linux*) + LD="${LD-ld} -m elf64_s390" + ;; + sparc*-*linux*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; + *-*-sco3.2v5*) # On SCO OpenServer 5, we need -belf to get full-featured binaries. SAVE_CFLAGS="$CFLAGS" @@ -237,6 +281,65 @@ ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], esac ]) + +# AC_LIBTOOL_SYS_MAX_CMD_LEN +# -------------------------- +AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], +[# find the maximum length of command line arguments +AC_MSG_CHECKING([the maximum length of command line arguments]) +AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl + i=0 + teststring="ABCD" + + case $build_os in + msdosdjgpp*) + # On DJGPP, this test can blow up pretty badly due to problems in libc + # (any single argument exceeding 2000 bytes causes a buffer overrun + # during glob expansion). Even if it were fixed, the result of this + # check would be larger than it should be. + lt_cv_sys_max_cmd_len=12288; # 12K is about right + ;; + + cygwin* | mingw*) + # On Win9x/ME, this test blows up -- it succeeds, but takes + # about 5 minutes as the teststring grows exponentially. + # Worse, since 9x/ME are not pre-emptively multitasking, + # you end up with a "frozen" computer, even though with patience + # the test eventually succeeds (with a max line length of 256k). + # Instead, let's just punt: use the minimum linelength reported by + # all of the supported platforms: 8192 (on NT/2K/XP). + lt_cv_sys_max_cmd_len=8192; + ;; + + amigaos*) + # On AmigaOS with pdksh, this test takes hours, literally. + # So we just punt and use a minimum line length of 8192. + lt_cv_sys_max_cmd_len=8192; + ;; + + netbsd* | freebsd* | openbsd* | darwin* | dragonfly*) + # This has been around since 386BSD, at least. Likely further. + if test -x /sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` + elif test -x /usr/sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` + else + lt_cv_sys_max_cmd_len=65536 # usable default for *BSD + fi + # And add a safety zone + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + ;; + esac +]) +if test -n "$lt_cv_sys_max_cmd_len" ; then + AC_MSG_RESULT($lt_cv_sys_max_cmd_len) +else + AC_MSG_RESULT(none) +fi +])# AC_LIBTOOL_SYS_MAX_CMD_LEN + + # AC_LIBTOOL_DLOPEN - enable checks for dlopen support AC_DEFUN([AC_LIBTOOL_DLOPEN], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])]) @@ -565,6 +668,7 @@ cygwin* | mingw* |pw32*) ;; darwin* | rhapsody*) + # this will be overwritten by pass_all, but leave it in just in case lt_cv_deplibs_check_method='file_magic Mach-O dynamically linked shared library' lt_cv_file_magic_cmd='/usr/bin/file -L' case "$host_os" in @@ -575,6 +679,7 @@ darwin* | rhapsody*) lt_cv_file_magic_test_file='/usr/lib/libSystem.dylib' ;; esac + lt_cv_deplibs_check_method=pass_all ;; freebsd* | kfreebsd*-gnu) @@ -635,14 +740,7 @@ irix5* | irix6*) # This must be Linux ELF. linux-gnu*) - case $host_cpu in - alpha* | mips* | hppa* | i*86 | powerpc* | sparc* | ia64* ) - lt_cv_deplibs_check_method=pass_all ;; - *) - # glibc up to 2.1.1 does not perform some relocations on ARM - lt_cv_deplibs_check_method=['file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'] ;; - esac - lt_cv_file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so` + lt_cv_deplibs_check_method=pass_all ;; netbsd* | knetbsd*-gnu) @@ -738,8 +836,9 @@ AC_DEFUN([AC_CHECK_LIBM], [AC_REQUIRE([AC_CANONICAL_HOST])dnl LIBM= case $host in -*-*-beos* | *-*-cygwin* | *-*-pw32*) +*-*-beos* | *-*-cygwin* | *-*-pw32* | *-*-darwin*) # These system don't have libm + # on darwin the libm is a symbolic link to libSystem.dylib ;; *-ncr-sysv4.3*) AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") -- 2.30.2