diff options
Diffstat (limited to 'config')
-rw-r--r-- | config/ChangeLog | 36 | ||||
-rw-r--r-- | config/mh-mingw | 3 | ||||
-rw-r--r-- | config/mt-mips-elfoabi | 6 | ||||
-rw-r--r-- | config/mt-sde | 20 | ||||
-rw-r--r-- | config/no-executables.m4 | 8 | ||||
-rw-r--r-- | config/tls.m4 | 22 |
6 files changed, 73 insertions, 22 deletions
diff --git a/config/ChangeLog b/config/ChangeLog index cb0b61a9a..84db8b2f3 100644 --- a/config/ChangeLog +++ b/config/ChangeLog @@ -1,10 +1,44 @@ +2007-10-15 Maciej W. Rozycki <macro@linux-mips.org> + + * tls.m4 (GCC_CHECK_TLS): Rename have_tls to gcc_cv_have_tls. + (GCC_CHECK_CC_TLS): Rename have_cc_tls to gcc_cv_have_cc_tls. + +2007-10-03 Richard Sandiford <richard@codesourcery.com> + + * no-executables.m4 (GCC_TRY_COMPILE_OR_LINK): New function. + +2007-10-03 Kazu Hirata <kazu@codesourcery.com> + + Revert: + 2007-10-02 Richard Sandiford <richard@codesourcery.com> + * no-executables.m4 (GCC_TRY_COMPILE_OR_LINK): New function. + +2007-10-02 Richard Sandiford <richard@codesourcery.com> + + * no-executables.m4 (GCC_TRY_COMPILE_OR_LINK): New function. + +2007-09-21 Richard Sandiford <rsandifo@nildram.co.uk> + + * mt-sde (CFLAGS_FOR_TARGET): Replace -fno-optimize-sibling-calls + with -minterlink-mips16. + (CXXFLAGS_FOR_TARGET): Likewise. + +2007-09-20 Richard Sandiford <rsandifo@nildram.co.uk> + + * mt-mips-elfoabi: New file. + 2007-09-07 Richard Sandiford <richard@codesourcery.com> * mt-sde (CFLAGS_FOR_TARGET): Add -mno-gpopt. (CXXFLAGS_FOR_TARGET): Likewise. +2007-09-06 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> + + PR target/33281 + * mh-mingw: New host makefile fragment. + 2007-08-18 Paul Brook <paul@codesourcery.com> - Joseph Myers <joseph@codesourcery.com> + Joseph Myers <joseph@codesourcery.com> * mt-gnu (CXXFLAGS_FOR_TARGET): Add $(DEBUG_PREFIX_CFLAGS_FOR_TARGET). diff --git a/config/mh-mingw b/config/mh-mingw new file mode 100644 index 000000000..71864997e --- /dev/null +++ b/config/mh-mingw @@ -0,0 +1,3 @@ +# Add -D__USE_MINGW_ACCESS to enable the built compiler to work on Windows +# Vista (see PR33281 for details). +BOOT_CFLAGS += -D__USE_MINGW_ACCESS diff --git a/config/mt-mips-elfoabi b/config/mt-mips-elfoabi new file mode 100644 index 000000000..49c8ecd32 --- /dev/null +++ b/config/mt-mips-elfoabi @@ -0,0 +1,6 @@ +# The *-elfoabi configurations are intended to be usable for both +# MIPS16 and non-MIPS16 code, but the libraries are all non-MIPS16. +# Add -minterlink-mips16 so that the libraries can be used with both +# ISA modes. +CFLAGS_FOR_TARGET = -minterlink-mips16 +CXXFLAGS_FOR_TARGET = -minterlink-mips16 diff --git a/config/mt-sde b/config/mt-sde index fbdc081fe..775e50dd7 100644 --- a/config/mt-sde +++ b/config/mt-sde @@ -1,10 +1,10 @@ -# We default to building libraries optimised for size. We switch off -# sibling-call optimization to permit interlinking of MIPS16 and -# non-MIPS16 functions. The -mcode-xonly option allows MIPS16 libraries -# to run on Harvard-style split I/D memories, so long as they have the -# D-to-I redirect for PC-relative loads. -mno-gpopt has two purposes: -# it allows libraries to be used in situations where $gp != our _gp, -# and it allows them to be built with -G8 while retaining link compability -# with -G0 and -G4. -CFLAGS_FOR_TARGET = -Os -fno-optimize-sibling-calls -mcode-xonly -mno-gpopt -CXXFLAGS_FOR_TARGET = -Os -fno-optimize-sibling-calls -mcode-xonly -mno-gpopt +# We default to building libraries optimised for size. We use +# -minterlink-mips16 so that the non-MIPS16 libraries can still be +# linked against partly-MIPS16 code. The -mcode-xonly option allows +# MIPS16 libraries to run on Harvard-style split I/D memories, so long +# as they have the D-to-I redirect for PC-relative loads. -mno-gpopt +# has two purposes: it allows libraries to be used in situations where +# $gp != our _gp, and it allows them to be built with -G8 while +# retaining link compability with -G0 and -G4. +CFLAGS_FOR_TARGET = -Os -minterlink-mips16 -mcode-xonly -mno-gpopt +CXXFLAGS_FOR_TARGET = -Os -minterlink-mips16 -mcode-xonly -mno-gpopt diff --git a/config/no-executables.m4 b/config/no-executables.m4 index 54e5a0242..c4d0b70c3 100644 --- a/config/no-executables.m4 +++ b/config/no-executables.m4 @@ -59,3 +59,11 @@ fi) m4_divert_pop()dnl ])# GCC_NO_EXECUTABLES + +# Use the strongest available test out of AC_TRY_COMPILE and AC_TRY_LINK. +AC_DEFUN([GCC_TRY_COMPILE_OR_LINK], +[if test x$gcc_no_link = xyes; then + AC_TRY_COMPILE([$1], [$2], [$3], [$4]) +else + AC_TRY_LINK([$1], [$2], [$3], [$4]) +fi]) diff --git a/config/tls.m4 b/config/tls.m4 index 69cf6d4f9..b6c4c4a6a 100644 --- a/config/tls.m4 +++ b/config/tls.m4 @@ -2,7 +2,7 @@ dnl Check whether the target supports TLS. AC_DEFUN([GCC_CHECK_TLS], [ GCC_ENABLE(tls, yes, [], [Use thread-local storage]) AC_CACHE_CHECK([whether the target supports thread-local storage], - have_tls, [ + gcc_cv_have_tls, [ AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }], [dnl If the test case passed with dynamic linking, try again with dnl static linking, but only if static linking is supported (not @@ -11,10 +11,10 @@ AC_DEFUN([GCC_CHECK_TLS], [ LDFLAGS="-static $LDFLAGS" AC_LINK_IFELSE([int main() { return 0; }], AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }], - [have_tls=yes], [have_tls=no],[]), - [have_tls=yes]) + [gcc_cv_have_tls=yes], [gcc_cv_have_tls=no],[]), + [gcc_cv_have_tls=yes]) LDFLAGS="$chktls_save_LDFLAGS" - if test $have_tls = yes; then + if test $gcc_cv_have_tls = yes; then dnl So far, the binutils and the compiler support TLS. dnl Also check whether the libc supports TLS, i.e. whether a variable dnl with __thread linkage has a different address in different threads. @@ -58,18 +58,18 @@ AC_DEFUN([GCC_CHECK_TLS], [ if (pthread_join (thread, &thread_retval)) return 0; return (a_in_other_thread == a_in_main_thread);])], - [have_tls=yes], [have_tls=no], []) + [gcc_cv_have_tls=yes], [gcc_cv_have_tls=no], []) CFLAGS="$chktls_save_CFLAGS" fi fi], - [have_tls=no], + [gcc_cv_have_tls=no], [dnl This is the cross-compiling case. Assume libc supports TLS if the dnl binutils and the compiler do. AC_LINK_IFELSE([__thread int a; int b; int main() { return a = b; }], - [have_tls=yes], [have_tls=no]) + [gcc_cv_have_tls=yes], [gcc_cv_have_tls=no]) ] )]) - if test "$enable_tls $have_tls" = "yes yes"; then + if test "$enable_tls $gcc_cv_have_tls" = "yes yes"; then AC_DEFINE(HAVE_TLS, 1, [Define to 1 if the target supports thread-local storage.]) fi]) @@ -78,11 +78,11 @@ dnl Check whether the target assembler supports TLS. AC_DEFUN([GCC_CHECK_CC_TLS], [ GCC_ENABLE(tls, yes, [], [Use thread-local storage]) AC_CACHE_CHECK([whether the target asssembler upports thread-local storage], - have_cc_tls, [ + gcc_cv_have_cc_tls, [ AC_COMPILE_IFELSE([__thread int a; int b; int main() { return a = b; }], - [have_cc_tls=yes], [have_cc_tls=no])] + [gcc_cv_have_cc_tls=yes], [gcc_cv_have_cc_tls=no])] )]) - if test "$enable_tls $have_cc_tls" = "yes yes"; then + if test "$enable_tls $gcc_cv_have_cc_tls" = "yes yes"; then AC_DEFINE(HAVE_CC_TLS, 1, [Define to 1 if the target assembler supports thread-local storage.]) fi]) |