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author | Ben Cheng <bccheng@google.com> | 2013-03-28 11:14:20 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2013-03-28 12:40:33 -0700 |
commit | af0c51ac87ab2a87caa03fa108f0d164987a2764 (patch) | |
tree | 4b8b470f7c5b69642fdab8d0aa1fbc148d02196b /gcc-4.8/libcpp/configure.ac | |
parent | d87cae247d39ebf4f5a6bf25c932a14d2fdb9384 (diff) | |
download | toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.tar.gz toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.tar.bz2 toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.zip |
[GCC 4.8] Initial check-in of GCC 4.8.0
Change-Id: I0719d8a6d0f69b367a6ab6f10eb75622dbf12771
Diffstat (limited to 'gcc-4.8/libcpp/configure.ac')
-rw-r--r-- | gcc-4.8/libcpp/configure.ac | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/gcc-4.8/libcpp/configure.ac b/gcc-4.8/libcpp/configure.ac new file mode 100644 index 000000000..e0c4ae695 --- /dev/null +++ b/gcc-4.8/libcpp/configure.ac @@ -0,0 +1,228 @@ +# -*- Autoconf -*- +# Process this file with autoconf to produce a configure script. + +AC_PREREQ(2.64) +AC_INIT(cpplib, [ ], gcc-bugs@gcc.gnu.org, cpplib) +AC_CONFIG_SRCDIR(ucnid.h) +AC_CONFIG_MACRO_DIR(../config) +AC_CANONICAL_SYSTEM + +# Checks for programs. +AC_PROG_MAKE_SET +AC_PROG_INSTALL +AC_PROG_CC +AC_PROG_CXX +AC_PROG_RANLIB + +AC_USE_SYSTEM_EXTENSIONS +AC_SYS_LARGEFILE + +MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing +AC_CHECK_PROGS([ACLOCAL], [aclocal], [$MISSING aclocal]) +AC_CHECK_PROGS([AUTOCONF], [autoconf], [$MISSING autoconf]) +AC_CHECK_PROGS([AUTOHEADER], [autoheader], [$MISSING autoheader]) + +# Figure out what compiler warnings we can enable. +# See config/warnings.m4 for details. + +ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wno-narrowing -Wwrite-strings \ + -Wmissing-format-attribute], [warn]) +ACX_PROG_CC_WARNING_OPTS([-Wstrict-prototypes -Wmissing-prototypes \ + -Wold-style-definition -Wc++-compat], [c_warn]) +ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long]) + +# Disable exceptions and RTTI if building with g++ +ACX_PROG_CC_WARNING_OPTS( + m4_quote(m4_do([-fno-exceptions -fno-rtti])), [noexception_flags]) + +# Only enable with --enable-werror-always until existing warnings are +# corrected. +ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual]) + +# Dependency checking. +ZW_CREATE_DEPDIR +AC_LANG_PUSH([C++]) +AC_COMPILE_IFELSE([[int i;]], [], + [AC_MSG_ERROR([C++ compiler missing or inoperational])]) +AC_LANG_POP([C++]) +ZW_PROG_COMPILER_DEPENDENCIES([CXX]) + +# Checks for header files. +AC_HEADER_TIME +ACX_HEADER_STRING + +AC_CHECK_HEADERS(locale.h fcntl.h limits.h stddef.h \ + stdlib.h strings.h string.h sys/file.h unistd.h) + +# Checks for typedefs, structures, and compiler characteristics. +AC_C_BIGENDIAN +AC_C_CONST +AC_C_INLINE +AC_FUNC_OBSTACK +AC_TYPE_OFF_T +AC_TYPE_SIZE_T +AC_TYPE_SSIZE_T +AC_TYPE_UINTPTR_T +AC_CHECK_TYPE(ptrdiff_t, int) +AC_STRUCT_TM +AC_CHECK_SIZEOF(int) +AC_CHECK_SIZEOF(long) +define(libcpp_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl + ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl + fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl + fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl + putchar_unlocked putc_unlocked) +AC_CHECK_FUNCS(libcpp_UNLOCKED_FUNCS) +AC_CHECK_DECLS([abort, asprintf, basename(char *), errno, getopt, vasprintf]) +AC_CHECK_DECLS(m4_split(m4_normalize(libcpp_UNLOCKED_FUNCS))) + +# Checks for library functions. +AC_FUNC_ALLOCA +AC_HEADER_STDC +AM_LANGINFO_CODESET +ZW_GNU_GETTEXT_SISTER_DIR + +AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar, +[AC_TRY_COMPILE([ +#include <sys/types.h> +], +[if ((uchar *)0) return 0; + if (sizeof(uchar)) return 0;], +ac_cv_type_uchar=yes, ac_cv_type_uchar=no)]) +if test $ac_cv_type_uchar = yes; then + AC_DEFINE(HAVE_UCHAR, 1, + [Define if <sys/types.h> defines \`uchar'.]) +fi + +# g++ on Solaris 10+ defines _XOPEN_SOURCE=600, which exposes a different +# iconv() prototype. +AC_LANG_PUSH([C++]) +AM_ICONV +AC_LANG_POP([C++]) + +# More defines and substitutions. +PACKAGE="$PACKAGE_TARNAME" +AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Define to the name of this package.]) +AC_SUBST(PACKAGE) + +if test "x$enable_nls" != xno; then + USED_CATALOGS='$(CATALOGS)' +else + USED_CATALOGS= +fi +AC_SUBST(USED_CATALOGS) + +AC_ARG_ENABLE(maintainer-mode, +[ --enable-maintainer-mode enable rules only needed by maintainers],, +enable_maintainer_mode=no) + +if test "x$enable_maintainer_mode" = xno; then + MAINT='#' +else + MAINT= +fi +AC_SUBST(MAINT) + +# Enable expensive internal checks +is_release= +if test -f $srcdir/../gcc/DEV-PHASE \ + && test x"`cat $srcdir/../gcc/DEV-PHASE`" != xexperimental; then + is_release=yes +fi + +AC_ARG_ENABLE(checking, +[AS_HELP_STRING([[--enable-checking[=LIST]]], + [enable expensive run-time checks. With LIST, + enable only specific categories of checks. + Categories are: yes,no,all,none,release. + Flags are: misc,valgrind or other strings])], +[ac_checking_flags="${enableval}"],[ +# Determine the default checks. +if test x$is_release = x ; then + ac_checking_flags=yes +else + ac_checking_flags=release +fi]) +IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS," +for check in release $ac_checking_flags +do + case $check in + # these set all the flags to specific states + yes|all) ac_checking=1 ; ac_valgrind_checking= ;; + no|none|release) ac_checking= ; ac_valgrind_checking= ;; + # these enable particular checks + misc) ac_checking=1 ;; + valgrind) ac_valgrind_checking=1 ;; + # accept + *) ;; + esac +done +IFS="$ac_save_IFS" + +if test x$ac_checking != x ; then + AC_DEFINE(ENABLE_CHECKING, 1, +[Define if you want more run-time sanity checks.]) +fi + +if test x$ac_valgrind_checking != x ; then + AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1, +[Define if you want to workaround valgrind (a memory checker) warnings about + possible memory leaks because of libcpp use of interior pointers.]) +fi + +AC_ARG_ENABLE(canonical-system-headers, +[ --enable-canonical-system-headers + enable or disable system headers canonicalization], +[], +enable_canonical_system_headers=yes) +if test $enable_canonical_system_headers != no; then + AC_DEFINE(ENABLE_CANONICAL_SYSTEM_HEADERS, + 1, [Define to enable system headers canonicalization.]) +fi + +m4_changequote(,) +case $target in + aarch64*-*-* | \ + alpha*-*-* | \ + arm*-*-*eabi* | \ + arm*-*-symbianelf* | \ + x86_64-*-* | \ + ia64-*-* | \ + hppa*64*-*-* | \ + i[34567]86-*-* | x86_64-*-solaris2.1[0-9]* | \ + mips*-*-* | \ + mmix-*-* | \ + powerpc*-*-* | \ + rs6000*-*-* | \ + s390*-*-* | \ + sparc*-*-* | \ + spu-*-* | \ + sh[123456789lbe]*-*-* | sh-*-* | \ + tilegx-*-* | tilepro-*-* ) + need_64bit_hwint=yes ;; + *) + need_64bit_hwint=no ;; +esac + +case $need_64bit_hwint:$ac_cv_sizeof_long in + *:8 | no:*) host_wide_int=long ;; + *) host_wide_int='long long' ;; +esac +m4_changequote([,]) + +AC_DEFINE_UNQUOTED(HOST_WIDE_INT, $host_wide_int, +[Define to the widest efficient host integer type at least + as wide as the target's size_t type.]) + +case $target in + i?86-* | x86_64-*) + AC_TRY_COMPILE([], [asm ("pcmpestri %0, %%xmm0, %%xmm1" : : "i"(0))], + [AC_DEFINE([HAVE_SSE4], [1], + [Define to 1 if you can assemble SSE4 insns.])]) +esac + +# Output. + +AC_CONFIG_HEADERS(config.h:config.in, [echo timestamp > stamp-h1]) +AC_CONFIG_FILES(Makefile) +AC_OUTPUT |