diff options
author | Ulrich Drepper <drepper@redhat.com> | 1997-09-24 23:03:42 +0000 |
---|---|---|
committer | Ulrich Drepper <drepper@redhat.com> | 1997-09-24 23:03:42 +0000 |
commit | 650425ceb40e840b2123b6c8cc65389589f41218 (patch) | |
tree | 70ff83fbe8f34a7829b4a0b511d2cb02ccbcbf2a /configure.in | |
parent | 2604afb1b2d9acc3c70b1214285f996200bf0358 (diff) |
Update.cvs/libc-ud-970924
1997-09-25 00:23 Ulrich Drepper <drepper@cygnus.com>
* elf/dl-profile.c: Correct implementation.
* io/ftwtest-sh: Don't depend on TMPDIR == /tmp.
* locale/setlocale.c: Rewrite a bit for more clarity.
* math/Makefile (libm-calls): Add w_exp2.
* math/math_private.h: Add prototypes for __ieee754_exp2{,f,l}.
* sysdeps/libm-i387/s_exp2.S: Change name to __ieee754_exp2.
* sysdeps/libm-i387/s_exp2f.S: Likewise.
* sysdeps/libm-i387/s_exp2l.S: Likewise.
* sysdeps/libm-ieee754/k_standard.c: Add error cases for exp2.
* string/bits/string2.h (__strcpy_small): Optimize.
(__stpcpy_small): Likewise.
(strncpy): Use variable for dest argument since it's used more than
once.
(strncat): Likewise.
(strcmp): Add optimization for this function.
* sysdeps/i386/i486/string.h (strlen): Correctly use __builtin_strlen.
(__strcpy_small): Optimize.
(__stpcpy_small): Likewise.
(__stpcpy_c): Correctly use __mempcpy_* macros.
(__mempcpy_by2, __mempcpy_by4, __mempcpy_byn): Return pointer to
byte following last copied.
(strncat): Use variable for dest argument since it's used more than
once.
(strcmp): Add optimization for this function.
* sysdeps/i386/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): Use
.text and .previous to select correct section.
1997-09-23 19:56 Philip Blundell <Philip.Blundell@pobox.com>
* configure.in: Add `--disable-versioning' option to suppress the
use of symbol versions even if binutils claims to support it.
1997-09-24 20:10 Philip Blundell <Philip.Blundell@pobox.com>
* csu/Makefile (before-compile): Don't try to build abi-tags.h if
not using ELF.
1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* elf/sofini.c [HAVE_DWARF2_UNWIND_INFO]: Supply termination for
the frame unwind info section.
* elf/soinit.c [HAVE_DWARF2_UNWIND_INFO]: Register and unregister
the frame unwind info.
* config.h.in (HAVE_DWARF2_UNWIND_INFO): Add #undef.
* configure.in: Check whether gcc supports DWARF2 unwind info.
* libc.map: Export frame handling tables.
1997-09-10 06:56 Geoff Keating <geoffk@ozemail.com.au>
* sysdeps/unix/sysv/linux/powerpc/bits/kernel_termios.h:
Use the size of the kernel's termios structure for ioctls.
* sysdeps/powerpc/dl-machine.h: Prepare for library profiling.
* sysdeps/powerpc/bits/mathinline.h: Add slightly slower versions
of the C9X FP comparison macros. Delete 'fabs' and 'sqrt' inline
routines, because gcc has them as internals.
* sysdeps/powerpc/Makefile (pic-ccflags): Define this instead of
CFLAGS-.os.
* sysdeps/powerpc/bzero.S: New file.
* sysdeps/powerpc/strcat.c: New file.
* sysdeps/powerpc/strcpy.S: New file.
* sysdeps/powerpc/stpcpy.S: New file.
* math/Makefile: Add atest_exp2, test-reduce.
* math/atest_exp2.c: New file.
* math/test-reduce.c: New file.
* sysdeps/libm-ieee754/Dist: New file.
* sysdeps/libm-ieee754/s_exp2.c: New file.
* sysdeps/libm-ieee754/s_exp2f.c: New file.
* sysdeps/libm-ieee754/t_exp2.h: New file.
* sysdeps/libm-ieee754/t_exp2f.h: New file.
* math/libm-test.c (exp2_test): Add some more tests.
* Rules: Use empty.os instead of empty.o, since it gets linked into
libc.so...
* configure.in: Add --disable-static to disable building .a files.
* config.make.in: Substitute the new variable.
* Makeconfig: Don't build .o files if not building .a files.
* elf/dl-runtime.c (fixup): Factor out call to elf_machine_relplt.
(profile_fixup): Likewise.
1997-09-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* posix/globtest.c (main): Change to directory passed as first
argument.
* posix/globtest.sh: Don't cd before running the program, instead
pass testdir as argument, so that $common_objpfx remains valid.
1997-09-23 18:01 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
* nis/nis_call.c (__do_niscall2): Fix multiple Server support.
* nis/nis_findserver.c: Save latest working sockaddr_in.
1997-09-17 22:07 Zack Weinberg <zack@rabi.phys.columbia.edu>
* configure.in: Automatically determine whether as and ld are the
GNU versions.
(options): --with-gnu-{as,ld,binutils} replaced by
single option --with-binutils=PATH specifying a -B option to gcc.
* aclocal.m4: Two new macros defined, LIBC_PROG_FOO_GNU and
LIBC_PROG_BINUTILS.
* configure.in: Allow the user to force configuration for
unsupported platforms with an undocumented option.
1997-09-22 16:55 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
* sunrpc/get_myaddr.c (get_myaddress): Avoid loopback interfaces,
return loopback address only if there is no other interface.
* nis/Makefile: Add nis_callback libnsl-routines.
* nis/nis_add.c: Use new __do_niscall* interface.
* nis/nis_cache.c: Likewise.
* nis/nis_checkpoint.c: Likewise.
* nis/nis_lookup.c: Likewise.
* nis/nis_mkdir.c: Likewise.
* nis/nis_modify.c: Likewise.
* nis/nis_ping.c: Likewise.
* nis/nis_remove.c: Likewise.
* nis/nis_rmdir.c: Likewise.
* nis/nis_server.c: Likewise.
* nis/nis_util.c: Likewise.
* nis/rpcsvc/nis.h: Make C++ safe.
* nis/nss_nisplus/nisplus-publickey.c (getsecretkey): Fix use
of variables.
* nis/nis_findserv.c: Make thread safe.
* nis/nis_call.c: Add support for callback, Fix use of variables.
* nis/nis_table.c: Add support for callback, FOLLOW_PATH and
ALL_RESULTS.
* nis/nis_callback.c: New, callback functions.
* nis/nis_intern.h: Add callback declarations.
1997-09-20 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* string/bits/string2.h: Fix logic in preprocessor directive.
(__strsep_1c, __strsep_g): Don't declare __retval as pointing to
const, to save a cast and a possible warning.
1997-09-22 04:12 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/i386/i486/atomicity.h (exchange_and_add): Really address
memory in xadd not %1.
1997-09-21 13:56 Ulrich Drepper <drepper@cygnus.com>
* manual/maint.texi (Supported Configurations): Add SPARC64 to
list of supported platforms.
Diffstat (limited to 'configure.in')
-rw-r--r-- | configure.in | 94 |
1 files changed, 68 insertions, 26 deletions
diff --git a/configure.in b/configure.in index 340e86774a..4c507bb1e3 100644 --- a/configure.in +++ b/configure.in @@ -36,16 +36,9 @@ dnl Arguments to specify presence of other packages/features. AC_ARG_WITH(fp, dnl [ --with-fp if using floating-point hardware [default=yes]], with_fp=$withval, with_fp=yes) -AC_ARG_WITH(gnu-binutils, dnl - --with-gnu-binutils if using GNU binutils (as and ld), - gnu_binutils=$withval, gnu_binutils=no) -AC_ARG_WITH(gnu-ld, dnl - --with-gnu-ld if using GNU ld (in the binutils package), - gnu_ld=$withval, gnu_ld=no) -AC_ARG_WITH(gnu-as, dnl - --with-gnu-as if using GNU as (in the binutils package), - gnu_as=$withval, gnu_as=no) -test $gnu_binutils = yes && gnu_as=yes gnu_ld=yes +AC_ARG_WITH(binutils, dnl + --with-binutils=PATH specify location of binutils (as and ld) + path_binutils=$withval, path_binutils='') AC_ARG_WITH(elf, dnl --with-elf if using the ELF object format, elf=$withval, elf=no) @@ -64,8 +57,11 @@ AC_ARG_ENABLE(sanity-checks, dnl except in special situations) [default=yes]], enable_sanity=$enableval, enable_sanity=yes) -dnl Arguments to enable or disable building the shared, profiled, and -dnl -fomit-frame-pointer libraries. +dnl Arguments to enable or disable building the static, shared, profiled, +dnl and -fomit-frame-pointer libraries. +AC_ARG_ENABLE(static, dnl +[ --enable-static build static library [default=yes]], + static=$enableval, static=yes) AC_ARG_ENABLE(shared, dnl [ --enable-shared build shared library [default=yes if GNU ld & ELF]], shared=$enableval, shared=default) @@ -78,6 +74,10 @@ AC_ARG_ENABLE(omitfp, dnl AC_ARG_ENABLE(bounded, dnl [ --enable-bounded build with runtime bounds checking [default=no]], bounded=$enableval, bounded=no) +AC_ARG_ENABLE(versioning, dnl +[ --disable-versioning do not include versioning information in the + library objects [default=yes if supported]], + enable_versioning=$enableval, enable_versioning=yes) dnl Generic infrastructure for drop-in additions to libc. AC_ARG_ENABLE(add-ons, dnl @@ -120,19 +120,25 @@ esac ### I put this here to prevent those annoying emails from people who cannot ### read and try to compile glibc on unsupported platforms. --drepper ### -case "$host_os" in -linux* | gnu*) - ;; -*) - echo "*** The GNU C library is currently not available for this platform." - echo "*** So far nobody cared to port it and if there is no volunteer it" - echo "*** might never happen. So, if you have interest to see glibc on" - echo "*** this platform visit" - echo "*** http://www.gnu.ai.mit.edu/software/libc/porting.html" - echo "*** and join the group of porters" - exit 1 - ;; -esac +### By using the undocumented --enable-hacker-mode option for configure +### one can skip this test to make the configuration not fail for unsupported +### platforms. +### +if test -z "$enable_hacker_mode"; then + case "$host_os" in + linux* | gnu*) + ;; + *) + echo "*** The GNU C library is currently not available for this platform." + echo "*** So far nobody cared to port it and if there is no volunteer it" + echo "*** might never happen. So, if you have interest to see glibc on" + echo "*** this platform visit" + echo "*** http://www.gnu.ai.mit.edu/software/libc/porting.html" + echo "*** and join the group of porters" + exit 1 + ;; + esac +fi # We keep the original values in `$config_*' and never modify them, so we # can write them unchanged into config.make. Everything else uses @@ -401,6 +407,7 @@ if test $host != $build; then fi AC_SUBST(cross_compiling) AC_PROG_CPP +LIBC_PROG_BINUTILS AC_CHECK_TOOL(AR, ar) AC_CHECK_TOOL(RANLIB, ranlib, :) @@ -568,7 +575,8 @@ else fi rm -f conftest*]) if test $libc_cv_asm_symver_directive = yes && - test $libc_cv_ld_version_script_option = yes; then + test $libc_cv_ld_version_script_option = yes && + test $enable_versioning = yes; then VERSIONING=yes AC_DEFINE(DO_VERSIONING) else @@ -749,6 +757,39 @@ fi rm -f conftest*]) AC_SUBST(libc_cv_gcc_no_exceptions)dnl +AC_CACHE_CHECK(for DWARF2 unwind info support, libc_cv_gcc_dwarf2_unwind_info, +[cat > conftest.c <<EOF +#line __oline__ "configure" +static char __EH_FRAME_BEGIN__[]; +_start () +{ + __register_frame (__EH_FRAME_BEGIN__); + __deregister_frame (__EH_FRAME_BEGIN__); +} +int __eh_pc; +__throw () {} +/* FIXME: this is fragile. */ +malloc () {} +strcmp () {} +strlen () {} +memcpy () {} +memset () {} +free () {} +abort () {} +EOF +dnl No \ in command here because it ends up inside ''. +if AC_TRY_COMMAND([${CC-cc} $CFLAGS + -nostdlib -nostartfiles + -o conftest conftest.c -lgcc >&AC_FD_CC]); then + libc_cv_gcc_dwarf2_unwind_info=yes +else + libc_cv_gcc_dwarf2_unwind_info=no +fi +rm -f conftest*]) +if test $libc_cv_gcc_dwarf2_unwind_info = yes; then + AC_DEFINE(HAVE_DWARF2_UNWIND_INFO) +fi + ### End of automated tests. ### Now run sysdeps configure fragments. @@ -876,6 +917,7 @@ if test $elf = yes; then AC_DEFINE(HAVE_ELF) fi +AC_SUBST(static) AC_SUBST(shared) if test $shared = default; then if test $gnu_ld = yes; then |