On Fri, 31 Aug 2018 at 16:13, Christophe Lyon <christophe.l...@linaro.org> wrote: > > On Wed, 29 Aug 2018 at 12:46, Kyrill Tkachov > <kyrylo.tkac...@foss.arm.com> wrote: > > > > > > On 13/07/18 17:10, christophe.l...@st.com wrote: > > > From: Christophe Lyon <christophe.l...@linaro.org> > > > > > > The new arm-uclinuxfdpiceabi target behaves pretty much like > > > arm-linux-gnueabi. In order the enable the same set of features, we > > > have to update several configure scripts that generally match targets > > > like *-*-linux*: in most places, we add *-uclinux* where there is > > > already *-linux*, or uclinux* when there is already linux*. > > > > > > In gcc/config.gcc and libgcc/config.host we use *-*-uclinuxfdpiceabi > > > because there is already a different behaviour for *-*uclinux* target. > > > > > > In libtool.m4, we use uclinuxfdpiceabi in cases where ELF shared > > > libraries support is required, as uclinux does not guarantee that. > > > > > > 2018-XX-XX Christophe Lyon <christophe.l...@st.com> > > > > > > * config/futex.m4: Handle *-uclinux*. > > > * config/tls.m4 (GCC_CHECK_TLS): Likewise. > > > * gcc/config.gcc: Handle *-*-uclinuxfdpiceabi. > > > * libatomic/configure.tgt: Handle arm*-*-uclinux*. > > > * libgcc/config.host: Handle *-*-uclinuxfdpiceabi. > > > * libitm/configure.tgt: Handle *-*-uclinux*. > > > * libatomic/configure: Regenerate. > > > * libitm/configure: Regenerate. > > > * libstdc++-v3/acinclude.m4: Handle uclinux*. > > > * libstdc++-v3/configure: Regenerate. > > > * libstdc++-v3/configure.host: Handle uclinux* > > > * libtool.m4: Handle uclinux*. > > > > > > > Most of these sub-directories have their own ChangeLogs (just for the > > record). > > What happens if a user tries to configure armeb-*-linuxfdpiceabi. Is this > > an unsupported configuration? > > Will this error out? I think some regexes here will allow such a target. > > Yes. I wondered about that. I must admit I haven't tested it, but > since I don't think anything in the patch series is > endianness-dependent, I thought I should include armeb. > Do you prefer I remove it? > > > > Is the target triplet set in stone now? > I think it is part of binutils-2.31, but we can probably still change > it, since the whole toolchain isn't available yet, no product should > rely on the target name. > > It will be just painful to adjust the testsuite again > > > I think Richard had some thoughts on the naming...
For reference, here is what Joseph said when I first submitted the binutils patch series: https://sourceware.org/ml/binutils/2018-03/msg00324.html > > > > Thanks, > > Kyrill > > > > > Change-Id: I6a1fdcd9847d8a82179a214612a3474c1f492916 > > > > > > diff --git a/config/futex.m4 b/config/futex.m4 > > > index e95144d..4dffe15 100644 > > > --- a/config/futex.m4 > > > +++ b/config/futex.m4 > > > @@ -9,7 +9,7 @@ AC_DEFUN([GCC_LINUX_FUTEX],[dnl > > > GCC_ENABLE(linux-futex,default, ,[use the Linux futex system call], > > > permit yes|no|default) > > > case "$target" in > > > - *-linux*) > > > + *-linux* | *-uclinux*) > > > case "$enable_linux_futex" in > > > default) > > > # If headers don't have gettid/futex syscalls definition, then > > > diff --git a/config/tls.m4 b/config/tls.m4 > > > index 4e170c8..5a8676e 100644 > > > --- a/config/tls.m4 > > > +++ b/config/tls.m4 > > > @@ -76,7 +76,7 @@ AC_DEFUN([GCC_CHECK_TLS], [ > > > dnl Shared library options may depend on the host; this check > > > dnl is only known to be needed for GNU/Linux. > > > case $host in > > > - *-*-linux*) > > > + *-*-linux* | -*-uclinux*) > > > LDFLAGS="-shared -Wl,--no-undefined $LDFLAGS" > > > ;; > > > esac > > > diff --git a/gcc/config.gcc b/gcc/config.gcc > > > index ef67c88..808ff82 100644 > > > --- a/gcc/config.gcc > > > +++ b/gcc/config.gcc > > > @@ -759,7 +759,7 @@ case ${target} in > > > *-*-fuchsia*) > > > native_system_header_dir=/include > > > ;; > > > -*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu | *-*-gnu* | > > > *-*-kopensolaris*-gnu) > > > +*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu | *-*-gnu* | > > > *-*-kopensolaris*-gnu | *-*-uclinuxfdpiceabi) > > > extra_options="$extra_options gnu-user.opt" > > > gas=yes > > > gnu_ld=yes > > > @@ -768,7 +768,7 @@ case ${target} in > > > esac > > > tmake_file="t-slibgcc" > > > case $target in > > > - *-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu | > > > *-*-kopensolaris*-gnu) > > > + *-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu | > > > *-*-kopensolaris*-gnu | *-*-uclinuxfdpiceabi) > > > :;; > > > *-*-gnu*) > > > native_system_header_dir=/include > > > @@ -788,7 +788,7 @@ case ${target} in > > > *-*-*android*) > > > tm_defines="$tm_defines DEFAULT_LIBC=LIBC_BIONIC" > > > ;; > > > - *-*-*uclibc*) > > > + *-*-*uclibc* | *-*-uclinuxfdpiceabi) > > > tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC" > > > ;; > > > *-*-*musl*) > > > @@ -1135,7 +1135,7 @@ arm*-*-netbsdelf*) > > > tmake_file="${tmake_file} arm/t-arm" > > > target_cpu_cname="arm6" > > > ;; > > > -arm*-*-linux-*) # ARM GNU/Linux with ELF > > > +arm*-*-linux-* | arm*-*-uclinuxfdpiceabi) # ARM > > > GNU/Linux with ELF > > > tm_file="dbxelf.h elfos.h gnu-user.h linux.h linux-android.h > > > glibc-stdint.h arm/elf.h arm/linux-gas.h arm/linux-elf.h" > > > extra_options="${extra_options} linux-android.opt" > > > case $target in > > > diff --git a/libatomic/configure b/libatomic/configure > > > index b902e2c..5b3ef8e 100755 > > > --- a/libatomic/configure > > > +++ b/libatomic/configure > > > @@ -5819,7 +5819,7 @@ irix5* | irix6* | nonstopux*) > > > ;; > > > > > > # This must be Linux ELF. > > > -linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > +linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinuxfdpiceabi) > > > lt_cv_deplibs_check_method=pass_all > > > ;; > > > > > > @@ -8305,7 +8305,7 @@ $as_echo_n "checking for $compiler option to > > > produce PIC... " >&6; } > > > lt_prog_compiler_static='-non_shared' > > > ;; > > > > > > - linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > + linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinux*) > > > case $cc_basename in > > > # old Intel for x86_64 which still supported -KPIC. > > > ecc*) > > > @@ -8900,7 +8900,7 @@ _LT_EOF > > > archive_expsym_cmds='sed "s,^,_," $export_symbols > > > >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs > > > $compiler_flags ${wl}-h,$soname > > > ${wl}--retain-symbols-file,$output_objdir/$soname.expsym > > > ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` > > > -o $lib' > > > ;; > > > > > > - gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) > > > + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu | > > > uclinuxfdpiceabi) > > > tmp_diet=no > > > if test "$host_os" = linux-dietlibc; then > > > case $cc_basename in > > > @@ -10431,7 +10431,7 @@ linux*oldld* | linux*aout* | linux*coff*) > > > ;; > > > > > > # This must be Linux ELF. > > > -linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > +linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinuxfdpiceabi) > > > version_type=linux > > > need_lib_prefix=no > > > need_version=no > > > diff --git a/libatomic/configure.tgt b/libatomic/configure.tgt > > > index ea8c34f..c1a608f 100644 > > > --- a/libatomic/configure.tgt > > > +++ b/libatomic/configure.tgt > > > @@ -124,7 +124,7 @@ case "${target}" in > > > config_path="${config_path} linux/aarch64 posix" > > > ;; > > > > > > - arm*-*-linux*) > > > + arm*-*-linux* | arm*-*-uclinux*) > > > # OS support for atomic primitives. > > > config_path="${config_path} linux/arm posix" > > > ;; > > > diff --git a/libgcc/config.host b/libgcc/config.host > > > index 18cabaf..9bcf430 100644 > > > --- a/libgcc/config.host > > > +++ b/libgcc/config.host > > > @@ -235,7 +235,7 @@ case ${host} in > > > tmake_file="$tmake_file t-crtstuff-pic t-libgcc-pic t-eh-dw2-dip > > > t-slibgcc t-slibgcc-fuchsia" > > > extra_parts="crtbegin.o crtend.o" > > > ;; > > > -*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu | *-*-gnu* | > > > *-*-kopensolaris*-gnu) > > > +*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu | *-*-gnu* | > > > *-*-kopensolaris*-gnu | *-*-uclinuxfdpiceabi) > > > tmake_file="$tmake_file t-crtstuff-pic t-libgcc-pic t-eh-dw2-dip > > > t-slibgcc t-slibgcc-gld t-slibgcc-elf-ver t-linux" > > > extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o" > > > if test x$enable_vtable_verify = xyes; then > > > @@ -421,7 +421,7 @@ arm*-*-fuchsia*) > > > arm*-*-netbsdelf*) > > > tmake_file="$tmake_file arm/t-arm arm/t-netbsd > > > t-slibgcc-gld-nover" > > > ;; > > > -arm*-*-linux*) # ARM GNU/Linux with ELF > > > +arm*-*-linux* | arm*-*-uclinuxfdpiceabi) # ARM > > > GNU/Linux with ELF > > > tmake_file="${tmake_file} arm/t-arm t-fixedpoint-gnu-prefix > > > t-crtfm" > > > tmake_file="${tmake_file} arm/t-elf arm/t-bpabi arm/t-linux-eabi > > > t-slibgcc-libgcc" > > > tm_file="$tm_file arm/bpabi-lib.h" > > > diff --git a/libitm/configure b/libitm/configure > > > index dbf386d..fd82500 100644 > > > --- a/libitm/configure > > > +++ b/libitm/configure > > > @@ -6494,7 +6494,7 @@ irix5* | irix6* | nonstopux*) > > > ;; > > > > > > # This must be Linux ELF. > > > -linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > +linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinuxfdpiceabi) > > > lt_cv_deplibs_check_method=pass_all > > > ;; > > > > > > @@ -8981,7 +8981,7 @@ $as_echo_n "checking for $compiler option to > > > produce PIC... " >&6; } > > > lt_prog_compiler_static='-non_shared' > > > ;; > > > > > > - linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > + linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinux*) > > > case $cc_basename in > > > # old Intel for x86_64 which still supported -KPIC. > > > ecc*) > > > @@ -9576,7 +9576,7 @@ _LT_EOF > > > archive_expsym_cmds='sed "s,^,_," $export_symbols > > > >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs > > > $compiler_flags ${wl}-h,$soname > > > ${wl}--retain-symbols-file,$output_objdir/$soname.expsym > > > ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` > > > -o $lib' > > > ;; > > > > > > - gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) > > > + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu | > > > uclinuxfdpiceabi) > > > tmp_diet=no > > > if test "$host_os" = linux-dietlibc; then > > > case $cc_basename in > > > @@ -11107,7 +11107,7 @@ linux*oldld* | linux*aout* | linux*coff*) > > > ;; > > > > > > # This must be Linux ELF. > > > -linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > +linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinuxfdpiceabi) > > > version_type=linux > > > need_lib_prefix=no > > > need_version=no > > > @@ -13008,7 +13008,7 @@ if test -z "$aix_libpath"; then > > > aix_libpath="/usr/lib:/lib"; fi > > > inherit_rpath_CXX=yes > > > ;; > > > > > > - linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > + linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinuxfdpiceabi) > > > case $cc_basename in > > > KCC*) > > > # Kuck and Associates, Inc. (KAI) C++ Compiler > > > @@ -13595,7 +13595,7 @@ interix[3-9]*) > > > postdeps_CXX= > > > ;; > > > > > > -linux*) > > > +linux* | uclinux*) > > > case `$CC -V 2>&1 | sed 5q` in > > > *Sun\ C*) > > > # Sun C++ 5.9 > > > @@ -13846,7 +13846,7 @@ $as_echo_n "checking for $compiler option to > > > produce PIC... " >&6; } > > > ;; > > > esac > > > ;; > > > - linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > + linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinux*) > > > case $cc_basename in > > > KCC*) > > > # KAI C++ Compiler > > > @@ -14767,7 +14767,7 @@ linux*oldld* | linux*aout* | linux*coff*) > > > ;; > > > > > > # This must be Linux ELF. > > > -linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > +linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinuxfdpiceabi) > > > version_type=linux > > > need_lib_prefix=no > > > need_version=no > > > @@ -16239,7 +16239,7 @@ fi > > > > > > > > > case "$target" in > > > - *-linux*) > > > + *-linux* | *-uclinux*) > > > case "$enable_linux_futex" in > > > default) > > > # If headers don't have gettid/futex syscalls definition, then > > > @@ -16362,7 +16362,7 @@ _ACEOF > > > if ac_fn_c_try_link "$LINENO"; then : > > > chktls_save_LDFLAGS="$LDFLAGS" > > > case $host in > > > - *-*-linux*) > > > + *-*-linux* | -*-uclinux*) > > > LDFLAGS="-shared -Wl,--no-undefined $LDFLAGS" > > > ;; > > > esac > > > diff --git a/libitm/configure.tgt b/libitm/configure.tgt > > > index 0cbb097..bc6c3ca 100644 > > > --- a/libitm/configure.tgt > > > +++ b/libitm/configure.tgt > > > @@ -127,7 +127,7 @@ config_path="$ARCH posix generic" > > > > > > # Other system configury > > > case "${target}" in > > > - *-*-linux*) > > > + *-*-linux* | *-*-uclinux*) > > > if test "$enable_linux_futex" = yes; then > > > config_path="linux/$ARCH linux $config_path" > > > fi > > > diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4 > > > index cf5add1..fc49a97 100644 > > > --- a/libstdc++-v3/acinclude.m4 > > > +++ b/libstdc++-v3/acinclude.m4 > > > @@ -1403,7 +1403,7 @@ AC_DEFUN([GLIBCXX_ENABLE_LIBSTDCXX_TIME], [ > > > ac_has_nanosleep=yes > > > ac_has_sched_yield=yes > > > ;; > > > - gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu) > > > + gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu | uclinux*) > > > AC_MSG_CHECKING([for at least GNU libc 2.17]) > > > AC_TRY_COMPILE( > > > [#include <features.h>], > > > @@ -1525,7 +1525,7 @@ AC_DEFUN([GLIBCXX_ENABLE_LIBSTDCXX_TIME], [ > > > > > > if test x"$ac_has_clock_monotonic" != x"yes"; then > > > case ${target_os} in > > > - linux*) > > > + linux* | uclinux*) > > > AC_MSG_CHECKING([for clock_gettime syscall]) > > > AC_TRY_COMPILE( > > > [#include <unistd.h> > > > @@ -2410,7 +2410,7 @@ AC_DEFUN([GLIBCXX_ENABLE_CLOCALE], [ > > > # Default to "generic". > > > if test $enable_clocale_flag = auto; then > > > case ${target_os} in > > > - linux* | gnu* | kfreebsd*-gnu | knetbsd*-gnu) > > > + linux* | gnu* | kfreebsd*-gnu | knetbsd*-gnu | uclinux*) > > > enable_clocale_flag=gnu > > > ;; > > > darwin*) > > > @@ -2656,7 +2656,7 @@ AC_DEFUN([GLIBCXX_ENABLE_ALLOCATOR], [ > > > # Default to "new". > > > if test $enable_libstdcxx_allocator_flag = auto; then > > > case ${target_os} in > > > - linux* | gnu* | kfreebsd*-gnu | knetbsd*-gnu) > > > + linux* | gnu* | kfreebsd*-gnu | knetbsd*-gnu | uclinux*) > > > enable_libstdcxx_allocator_flag=new > > > ;; > > > *) > > > @@ -4290,7 +4290,7 @@ AC_DEFUN([GLIBCXX_ENABLE_FILESYSTEM_TS], [ > > > freebsd*|netbsd*|openbsd*|dragonfly*|darwin*) > > > enable_libstdcxx_filesystem_ts=yes > > > ;; > > > - gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu) > > > + gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu | uclinux*) > > > enable_libstdcxx_filesystem_ts=yes > > > ;; > > > rtems*) > > > @@ -4438,7 +4438,7 @@ dnl > > > AC_MSG_CHECKING([for sendfile that can copy files]) > > > AC_CACHE_VAL(glibcxx_cv_sendfile, [dnl > > > case "${target_os}" in > > > - gnu* | linux* | solaris*) > > > + gnu* | linux* | solaris* | uclinux*) > > > GCC_TRY_COMPILE_OR_LINK( > > > [#include <sys/sendfile.h>], > > > [sendfile(1, 2, (off_t*)0, sizeof 1);], > > > diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure > > > index d126add..827266d 100755 > > > --- a/libstdc++-v3/configure > > > +++ b/libstdc++-v3/configure > > > @@ -6414,7 +6414,7 @@ irix5* | irix6* | nonstopux*) > > > ;; > > > > > > # This must be Linux ELF. > > > -linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > +linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinuxfdpiceabi) > > > lt_cv_deplibs_check_method=pass_all > > > ;; > > > > > > @@ -8766,7 +8766,7 @@ $as_echo_n "checking for $compiler option to > > > produce PIC... " >&6; } > > > lt_prog_compiler_static='-non_shared' > > > ;; > > > > > > - linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > + linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinux*) > > > case $cc_basename in > > > # old Intel for x86_64 which still supported -KPIC. > > > ecc*) > > > @@ -9361,7 +9361,7 @@ _LT_EOF > > > archive_expsym_cmds='sed "s,^,_," $export_symbols > > > >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs > > > $compiler_flags ${wl}-h,$soname > > > ${wl}--retain-symbols-file,$output_objdir/$soname.expsym > > > ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` > > > -o $lib' > > > ;; > > > > > > - gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) > > > + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu | > > > uclinuxfdpiceabi) > > > tmp_diet=no > > > if test "$host_os" = linux-dietlibc; then > > > case $cc_basename in > > > @@ -10901,7 +10901,7 @@ linux*oldld* | linux*aout* | linux*coff*) > > > ;; > > > > > > # This must be Linux ELF. > > > -linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > +linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinuxfdpiceabi) > > > version_type=linux > > > need_lib_prefix=no > > > need_version=no > > > @@ -12826,7 +12826,7 @@ if test -z "$aix_libpath"; then > > > aix_libpath="/usr/lib:/lib"; fi > > > inherit_rpath_CXX=yes > > > ;; > > > > > > - linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > + linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinuxfdpiceabi) > > > case $cc_basename in > > > KCC*) > > > # Kuck and Associates, Inc. (KAI) C++ Compiler > > > @@ -13413,7 +13413,7 @@ interix[3-9]*) > > > postdeps_CXX= > > > ;; > > > > > > -linux*) > > > +linux* | uclinux*) > > > case `$CC -V 2>&1 | sed 5q` in > > > *Sun\ C*) > > > # Sun C++ 5.9 > > > @@ -13664,7 +13664,7 @@ $as_echo_n "checking for $compiler option to > > > produce PIC... " >&6; } > > > ;; > > > esac > > > ;; > > > - linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > + linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinux*) > > > case $cc_basename in > > > KCC*) > > > # KAI C++ Compiler > > > @@ -14585,7 +14585,7 @@ linux*oldld* | linux*aout* | linux*coff*) > > > ;; > > > > > > # This must be Linux ELF. > > > -linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > +linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinuxfdpiceabi) > > > version_type=linux > > > need_lib_prefix=no > > > need_version=no > > > @@ -15842,7 +15842,7 @@ fi > > > # Default to "generic". > > > if test $enable_clocale_flag = auto; then > > > case ${target_os} in > > > - linux* | gnu* | kfreebsd*-gnu | knetbsd*-gnu) > > > + linux* | gnu* | kfreebsd*-gnu | knetbsd*-gnu | uclinux*) > > > enable_clocale_flag=gnu > > > ;; > > > darwin*) > > > @@ -16259,7 +16259,7 @@ fi > > > # Default to "new". > > > if test $enable_libstdcxx_allocator_flag = auto; then > > > case ${target_os} in > > > - linux* | gnu* | kfreebsd*-gnu | knetbsd*-gnu) > > > + linux* | gnu* | kfreebsd*-gnu | knetbsd*-gnu | uclinux*) > > > enable_libstdcxx_allocator_flag=new > > > ;; > > > *) > > > @@ -20535,7 +20535,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu > > > ac_has_nanosleep=yes > > > ac_has_sched_yield=yes > > > ;; > > > - gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu) > > > + gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu | uclinux*) > > > { $as_echo "$as_me:${as_lineno-$LINENO}: checking for at least > > > GNU libc 2.17" >&5 > > > $as_echo_n "checking for at least GNU libc 2.17... " >&6; } > > > cat confdefs.h - <<_ACEOF >conftest.$ac_ext > > > @@ -21035,7 +21035,7 @@ $as_echo "$ac_has_nanosleep" >&6; } > > > > > > if test x"$ac_has_clock_monotonic" != x"yes"; then > > > case ${target_os} in > > > - linux*) > > > + linux* | uclinux*) > > > { $as_echo "$as_me:${as_lineno-$LINENO}: checking for > > > clock_gettime syscall" >&5 > > > $as_echo_n "checking for clock_gettime syscall... " >&6; } > > > cat confdefs.h - <<_ACEOF >conftest.$ac_ext > > > @@ -27927,7 +27927,7 @@ _ACEOF > > > if ac_fn_c_try_link "$LINENO"; then : > > > chktls_save_LDFLAGS="$LDFLAGS" > > > case $host in > > > - *-*-linux*) > > > + *-*-linux* | -*-uclinux*) > > > LDFLAGS="-shared -Wl,--no-undefined $LDFLAGS" > > > ;; > > > esac > > > @@ -53603,7 +53603,7 @@ _ACEOF > > > if ac_fn_c_try_link "$LINENO"; then : > > > chktls_save_LDFLAGS="$LDFLAGS" > > > case $host in > > > - *-*-linux*) > > > + *-*-linux* | -*-uclinux*) > > > LDFLAGS="-shared -Wl,--no-undefined $LDFLAGS" > > > ;; > > > esac > > > @@ -59804,7 +59804,7 @@ _ACEOF > > > if ac_fn_c_try_link "$LINENO"; then : > > > chktls_save_LDFLAGS="$LDFLAGS" > > > case $host in > > > - *-*-linux*) > > > + *-*-linux* | -*-uclinux*) > > > LDFLAGS="-shared -Wl,--no-undefined $LDFLAGS" > > > ;; > > > esac > > > @@ -78438,7 +78438,7 @@ fi > > > > > > > > > case "$target" in > > > - *-linux*) > > > + *-linux* | *-uclinux*) > > > case "$enable_linux_futex" in > > > default) > > > # If headers don't have gettid/futex syscalls definition, then > > > @@ -80074,7 +80074,7 @@ $as_echo_n "checking whether to build Filesystem > > > TS support... " >&6; } > > > freebsd*|netbsd*|openbsd*|dragonfly*|darwin*) > > > enable_libstdcxx_filesystem_ts=yes > > > ;; > > > - gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu) > > > + gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu | uclinux*) > > > enable_libstdcxx_filesystem_ts=yes > > > ;; > > > rtems*) > > > @@ -80498,7 +80498,7 @@ $as_echo_n "checking for sendfile that can copy > > > files... " >&6; } > > > $as_echo_n "(cached) " >&6 > > > else > > > case "${target_os}" in > > > - gnu* | linux* | solaris*) > > > + gnu* | linux* | solaris* | uclinux*) > > > if test x$gcc_no_link = xyes; then > > > cat confdefs.h - <<_ACEOF >conftest.$ac_ext > > > /* end confdefs.h. */ > > > diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host > > > index caea9de..067d6e1 100644 > > > --- a/libstdc++-v3/configure.host > > > +++ b/libstdc++-v3/configure.host > > > @@ -261,7 +261,7 @@ case "${host_os}" in > > > linux-musl*) > > > os_include_dir="os/generic" > > > ;; > > > - gnu* | linux* | kfreebsd*-gnu) > > > + gnu* | linux* | kfreebsd*-gnu | uclinux*) > > > if [ "$uclibc" = "yes" ]; then > > > os_include_dir="os/uclibc" > > > elif [ "$bionic" = "yes" ]; then > > > @@ -324,7 +324,7 @@ esac > > > # Set any OS-dependent and CPU-dependent bits. > > > # THIS TABLE IS SORTED. KEEP IT THAT WAY. > > > case "${host}" in > > > - *-*-linux*) > > > + *-*-linux* | *-*-uclinux*) > > > case "${host_cpu}" in > > > i[567]86) > > > abi_baseline_pair=i486-linux-gnu > > > @@ -355,7 +355,7 @@ case "${host}" in > > > fi > > > esac > > > case "${host}" in > > > - arm*-*-linux-*) > > > + arm*-*-linux-* | arm*-*-uclinuxfdpiceabi) > > > port_specific_symbol_files="\$(srcdir)/../config/os/gnu-linux/arm-eabi-extra.ver" > > > ;; > > > esac > > > diff --git a/libtool.m4 b/libtool.m4 > > > index 24d13f3..048931b 100644 > > > --- a/libtool.m4 > > > +++ b/libtool.m4 > > > @@ -2449,7 +2449,7 @@ linux*oldld* | linux*aout* | linux*coff*) > > > ;; > > > > > > # This must be Linux ELF. > > > -linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > +linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinuxfdpiceabi) > > > version_type=linux > > > need_lib_prefix=no > > > need_version=no > > > @@ -3089,7 +3089,7 @@ irix5* | irix6* | nonstopux*) > > > ;; > > > > > > # This must be Linux ELF. > > > -linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > +linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinuxfdpiceabi) > > > lt_cv_deplibs_check_method=pass_all > > > ;; > > > > > > @@ -3734,7 +3734,7 @@ m4_if([$1], [CXX], [ > > > ;; > > > esac > > > ;; > > > - linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > + linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinux*) > > > case $cc_basename in > > > KCC*) > > > # KAI C++ Compiler > > > @@ -4032,7 +4032,7 @@ m4_if([$1], [CXX], [ > > > _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' > > > ;; > > > > > > - linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > + linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinux*) > > > case $cc_basename in > > > # old Intel for x86_64 which still supported -KPIC. > > > ecc*) > > > @@ -4449,7 +4449,7 @@ _LT_EOF > > > _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols > > > >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs > > > $compiler_flags ${wl}-h,$soname > > > ${wl}--retain-symbols-file,$output_objdir/$soname.expsym > > > ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` > > > -o $lib' > > > ;; > > > > > > - gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) > > > + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu | > > > uclinuxfdpiceabi) > > > tmp_diet=no > > > if test "$host_os" = linux-dietlibc; then > > > case $cc_basename in > > > @@ -5946,7 +5946,7 @@ if test "$_lt_caught_CXX_error" != yes; then > > > _LT_TAGVAR(inherit_rpath, $1)=yes > > > ;; > > > > > > - linux* | k*bsd*-gnu | kopensolaris*-gnu) > > > + linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinuxfdpiceabi) > > > case $cc_basename in > > > KCC*) > > > # Kuck and Associates, Inc. (KAI) C++ Compiler > > > @@ -6598,7 +6598,7 @@ interix[[3-9]]*) > > > _LT_TAGVAR(postdeps,$1)= > > > ;; > > > > > > -linux*) > > > +linux* | uclinux*) > > > case `$CC -V 2>&1 | sed 5q` in > > > *Sun\ C*) > > > # Sun C++ 5.9 > > > -- > > > 2.6.3 > > > > >