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Unified Diff: icu51/source/aclocal.m4

Issue 20882002: Check in the pristine copy of ICU 51.2 (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/
Patch Set: Created 7 years, 5 months ago
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Index: icu51/source/aclocal.m4
===================================================================
--- icu51/source/aclocal.m4 (revision 0)
+++ icu51/source/aclocal.m4 (revision 0)
@@ -0,0 +1,485 @@
+# aclocal.m4 for ICU
+# Copyright (c) 1999-2012, International Business Machines Corporation and
+# others. All Rights Reserved.
+# Stephen F. Booth
+
+# @TOP@
+
+# ICU_CHECK_MH_FRAG
+AC_DEFUN(ICU_CHECK_MH_FRAG, [
+ AC_CACHE_CHECK(
+ [which Makefile fragment to use for ${host}],
+ [icu_cv_host_frag],
+ [
+case "${host}" in
+*-*-solaris*)
+ if test "$GCC" = yes; then
+ icu_cv_host_frag=mh-solaris-gcc
+ else
+ icu_cv_host_frag=mh-solaris
+ fi ;;
+alpha*-*-linux-gnu)
+ if test "$GCC" = yes; then
+ icu_cv_host_frag=mh-alpha-linux-gcc
+ else
+ icu_cv_host_frag=mh-alpha-linux-cc
+ fi ;;
+powerpc*-*-linux*)
+ if test "$GCC" = yes; then
+ icu_cv_host_frag=mh-linux
+ else
+ icu_cv_host_frag=mh-linux-va
+ fi ;;
+*-*-linux*|*-*-gnu|*-*-k*bsd*-gnu|*-*-kopensolaris*-gnu) icu_cv_host_frag=mh-linux ;;
+*-*-cygwin|*-*-mingw32|*-*-mingw64)
+ if test "$GCC" = yes; then
+ AC_TRY_COMPILE([
+#ifndef __MINGW32__
+#error This is not MinGW
+#endif], [], AC_TRY_COMPILE([
+#ifndef __MINGW64__
+#error This is not MinGW64
+#endif], [], icu_cv_host_frag=mh-mingw64, icu_cv_host_frag=mh-mingw), icu_cv_host_frag=mh-cygwin)
+ else
+ icu_cv_host_frag=mh-cygwin-msvc
+ fi ;;
+*-*-*bsd*|*-*-dragonfly*) icu_cv_host_frag=mh-bsd-gcc ;;
+*-*-aix*)
+ if test "$GCC" = yes; then
+ icu_cv_host_frag=mh-aix-gcc
+ else
+ icu_cv_host_frag=mh-aix-va
+ fi ;;
+*-*-hpux*)
+ if test "$GCC" = yes; then
+ icu_cv_host_frag=mh-hpux-gcc
+ else
+ case "$CXX" in
+ *aCC) icu_cv_host_frag=mh-hpux-acc ;;
+ esac
+ fi ;;
+*-*ibm-openedition*|*-*-os390*) icu_cv_host_frag=mh-os390 ;;
+*-*-os400*) icu_cv_host_frag=mh-os400 ;;
+*-apple-rhapsody*) icu_cv_host_frag=mh-darwin ;;
+*-apple-darwin*) icu_cv_host_frag=mh-darwin ;;
+*-*-beos) icu_cv_host_frag=mh-beos ;;
+*-*-haiku) icu_cv_host_frag=mh-haiku ;;
+*-*-irix*) icu_cv_host_frag=mh-irix ;;
+*-dec-osf*) icu_cv_host_frag=mh-alpha-osf ;;
+*-*-nto*) icu_cv_host_frag=mh-qnx ;;
+*-ncr-*) icu_cv_host_frag=mh-mpras ;;
+*) icu_cv_host_frag=mh-unknown ;;
+esac
+ ]
+ )
+])
+
+# ICU_CONDITIONAL - similar example taken from Automake 1.4
+AC_DEFUN(ICU_CONDITIONAL,
+[AC_SUBST($1_TRUE)
+if $2; then
+ $1_TRUE=
+else
+ $1_TRUE='#'
+fi])
+
+# ICU_PROG_LINK - Make sure that the linker is usable
+AC_DEFUN(ICU_PROG_LINK,
+[
+case "${host}" in
+ *-*-cygwin*|*-*-mingw*)
+ if test "$GCC" != yes && test -n "`link --version 2>&1 | grep 'GNU coreutils'`"; then
+ AC_MSG_ERROR([link.exe is not a valid linker. Your PATH is incorrect.
+ Please follow the directions in ICU's readme.])
+ fi;;
+ *);;
+esac])
+
+# AC_SEARCH_LIBS_FIRST(FUNCTION, SEARCH-LIBS [, ACTION-IF-FOUND
+# [, ACTION-IF-NOT-FOUND [, OTHER-LIBRARIES]]])
+# Search for a library defining FUNC, then see if it's not already available.
+
+AC_DEFUN(AC_SEARCH_LIBS_FIRST,
+[AC_PREREQ([2.13])
+AC_CACHE_CHECK([for library containing $1], [ac_cv_search_$1],
+[ac_func_search_save_LIBS="$LIBS"
+ac_cv_search_$1="no"
+for i in $2; do
+LIBS="-l$i $5 $ac_func_search_save_LIBS"
+AC_TRY_LINK_FUNC([$1],
+[ac_cv_search_$1="-l$i"
+break])
+done
+if test "$ac_cv_search_$1" = "no"; then
+AC_TRY_LINK_FUNC([$1], [ac_cv_search_$1="none required"])
+fi
+LIBS="$ac_func_search_save_LIBS"])
+if test "$ac_cv_search_$1" != "no"; then
+ test "$ac_cv_search_$1" = "none required" || LIBS="$ac_cv_search_$1 $LIBS"
+ $3
+else :
+ $4
+fi])
+
+
+
+# Check if we can build and use 64-bit libraries
+AC_DEFUN(AC_CHECK_64BIT_LIBS,
+[
+ BITS_REQ=nochange
+ ENABLE_64BIT_LIBS=unknown
+ ## revisit this for cross-compile.
+
+ AC_ARG_ENABLE(64bit-libs,
+ [ --enable-64bit-libs (deprecated, use --with-library-bits) build 64-bit libraries [default= platform default]],
+ [echo "note, use --with-library-bits instead of --*-64bit-libs"
+ case "${enableval}" in
+ no|false|32) with_library_bits=32; ;;
+ yes|true|64) with_library_bits=64else32 ;;
+ nochange) with_library_bits=nochange; ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for '--*-64bit-libs') ;;
+ esac] )
+
+
+ AC_ARG_WITH(library-bits,
+ [ --with-library-bits=bits specify how many bits to use for the library (32, 64, 64else32, nochange) [default=nochange]],
+ [case "${withval}" in
+ ""|nochange) BITS_REQ=$withval ;;
+ 32|64|64else32) BITS_REQ=$withval ;;
+ *) AC_MSG_ERROR(bad value ${withval} for --with-library-bits) ;;
+ esac])
+
+ # don't use these for cross compiling
+ if test "$cross_compiling" = "yes" -a "${BITS_REQ}" != "nochange"; then
+ AC_MSG_ERROR([Don't specify bitness when cross compiling. See readme.html for help with cross compilation., and set compiler options manually.])
+ fi
+ AC_CHECK_SIZEOF([void *])
+ AC_MSG_CHECKING([whether runnable 64 bit binaries are built by default])
+ case $ac_cv_sizeof_void_p in
+ 8) DEFAULT_64BIT=yes ;;
+ 4) DEFAULT_64BIT=no ;;
+ *) DEFAULT_64BIT=unknown
+ esac
+ BITS_GOT=unknown
+
+ # 'OK' here means, we can exit any further checking, everything's copa
+ BITS_OK=yes
+
+ # do we need to check for buildable/runnable 32 or 64 bit?
+ BITS_CHECK_32=no
+ BITS_CHECK_64=no
+
+ # later, can we run the 32/64 bit binaries so made?
+ BITS_RUN_32=no
+ BITS_RUN_64=no
+
+ if test "$DEFAULT_64BIT" = "yes"; then
+ # we get 64 bits by default.
+ BITS_GOT=64
+ case "$BITS_REQ" in
+ 32)
+ # need to look for 32 bit support.
+ BITS_CHECK_32=yes
+ # not copa.
+ BITS_OK=no;;
+ # everyone else is happy.
+ nochange) ;;
+ *) ;;
+ esac
+ elif test "$DEFAULT_64BIT" = "no"; then
+ # not 64 bit by default.
+ BITS_GOT=32
+ case "$BITS_REQ" in
+ 64|64else32)
+ BITS_CHECK_64=yes
+ #BITS_CHECK_32=yes
+ BITS_OK=no;;
+ nochange) ;;
+ *) ;;
+ esac
+ elif test "$DEFAULT_64BIT" = "unknown"; then
+ # cross compiling.
+ BITS_GOT=unknown
+ case "$BITS_REQ" in
+ 64|64else32) BITS_OK=no
+ BITS_CHECK_32=yes
+ BITS_CHECK_64=yes ;;
+ 32) BITS_OK=no;;
+ nochange) ;;
+ *) ;;
+ esac
+ fi
+
+ AC_MSG_RESULT($DEFAULT_64BIT);
+
+ if test "$BITS_OK" != "yes"; then
+ # not copa. back these up.
+ CFLAGS_OLD="${CFLAGS}"
+ CXXFLAGS_OLD="${CXXFLAGS}"
+ LDFLAGS_OLD="${LDFLAGS}"
+ ARFLAGS_OLD="${ARFLAGS}"
+
+ CFLAGS_32="${CFLAGS}"
+ CXXFLAGS_32="${CXXFLAGS}"
+ LDFLAGS_32="${LDFLAGS}"
+ ARFLAGS_32="${ARFLAGS}"
+
+ CFLAGS_64="${CFLAGS}"
+ CXXFLAGS_64="${CXXFLAGS}"
+ LDFLAGS_64="${LDFLAGS}"
+ ARFLAGS_64="${ARFLAGS}"
+
+ CAN_BUILD_64=unknown
+ CAN_BUILD_32=unknown
+ # These results can't be cached because is sets compiler flags.
+ if test "$BITS_CHECK_64" = "yes"; then
+ AC_MSG_CHECKING([how to build 64-bit executables])
+ CAN_BUILD_64=no
+ ####
+ # Find out if we think we can *build* for 64 bit. Doesn't check whether we can run it.
+ # Note, we don't have to actually check if the options work- we'll try them before using them.
+ # So, only try actually testing the options, if you are trying to decide between multiple options.
+ # On exit from the following clauses:
+ # if CAN_BUILD_64=yes:
+ # *FLAGS are assumed to contain the right settings for 64bit
+ # else if CAN_BUILD_64=no: (default)
+ # *FLAGS are assumed to be trashed, and will be reset from *FLAGS_OLD
+
+ if test "$GCC" = yes; then
+ CFLAGS="${CFLAGS} -m64"
+ CXXFLAGS="${CXXFLAGS} -m64"
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([int main(void) {return (sizeof(void*)*8==64)?0:1;}])],
+ CAN_BUILD_64=yes, CAN_BUILD_64=no)
+ else
+ case "${host}" in
+ sparc*-*-solaris*)
+ # 1. try -m64
+ CFLAGS="${CFLAGS} -m64"
+ CXXFLAGS="${CXXFLAGS} -m64"
+ AC_RUN_IFELSE([AC_LANG_SOURCE([int main(void) {return (sizeof(void*)*8==64)?0:1;}])],
+ CAN_BUILD_64=yes, CAN_BUILD_64=no, CAN_BUILD_64=unknown)
+ if test "$CAN_BUILD_64" != yes; then
+ # Nope. back out changes.
+ CFLAGS="${CFLAGS_OLD}"
+ CXXFLAGS="${CFLAGS_OLD}"
+ # 2. try xarch=v9 [deprecated]
+ ## TODO: cross compile: the following won't work.
+ SPARCV9=`isainfo -n 2>&1 | grep sparcv9`
+ SOL64=`$CXX -xarch=v9 2>&1 && $CC -xarch=v9 2>&1 | grep -v usage:`
+ # "Warning: -xarch=v9 is deprecated, use -m64 to create 64-bit programs"
+ if test -z "$SOL64" && test -n "$SPARCV9"; then
+ CFLAGS="${CFLAGS} -xtarget=ultra -xarch=v9"
+ CXXFLAGS="${CXXFLAGS} -xtarget=ultra -xarch=v9"
+ LDFLAGS="${LDFLAGS} -xtarget=ultra -xarch=v9"
+ CAN_BUILD_64=yes
+ fi
+ fi
+ ;;
+ i386-*-solaris*)
+ # 1. try -m64
+ CFLAGS="${CFLAGS} -m64"
+ CXXFLAGS="${CXXFLAGS} -m64"
+ AC_RUN_IFELSE([AC_LANG_SOURCE([int main(void) {return (sizeof(void*)*8==64)?0:1;}])],
+ CAN_BUILD_64=yes, CAN_BUILD_64=no, CAN_BUILD_64=unknown)
+ if test "$CAN_BUILD_64" != yes; then
+ # Nope. back out changes.
+ CFLAGS="${CFLAGS_OLD}"
+ CXXFLAGS="${CXXFLAGS_OLD}"
+ # 2. try the older compiler option
+ ## TODO: cross compile problem
+ AMD64=`isainfo -n 2>&1 | grep amd64`
+ SOL64=`$CXX -xtarget=generic64 2>&1 && $CC -xtarget=generic64 2>&1 | grep -v usage:`
+ if test -z "$SOL64" && test -n "$AMD64"; then
+ CFLAGS="${CFLAGS} -xtarget=generic64"
+ CXXFLAGS="${CXXFLAGS} -xtarget=generic64"
+ CAN_BUILD_64=yes
+ fi
+ fi
+ ;;
+ ia64-*-linux*)
+ # check for ecc/ecpc compiler support
+ ## TODO: cross compiler problem
+ if test -n "`$CXX --help 2>&1 && $CC --help 2>&1 | grep -v Intel`"; then
+ if test -n "`$CXX --help 2>&1 && $CC --help 2>&1 | grep -v Itanium`"; then
+ CAN_BUILD_64=yes
+ fi
+ fi
+ ;;
+ *-*-cygwin)
+ # vcvarsamd64.bat should have been used to enable 64-bit builds.
+ # We only do this check to display the correct answer.
+ ## TODO: cross compiler problem
+ if test -n "`$CXX -help 2>&1 | grep 'for x64'`"; then
+ CAN_BUILD_64=yes
+ fi
+ ;;
+ *-*-aix*|powerpc64-*-linux*)
+ CFLAGS="${CFLAGS} -q64"
+ CXXFLAGS="${CXXFLAGS} -q64"
+ LDFLAGS="${LDFLAGS} -q64"
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([int main(void) {return (sizeof(void*)*8==64)?0:1;}])],
+ CAN_BUILD_64=yes, CAN_BUILD_64=no)
+ if test "$CAN_BUILD_64" = yes; then
+ # worked- set other options.
+ case "${host}" in
+ *-*-aix*)
+ # tell AIX what executable mode to use.
+ ARFLAGS="${ARFLAGS} -X64"
+ esac
+ fi
+ ;;
+ *-*-hpux*)
+ # First we try the newer +DD64, if that doesn't work,
+ # try other options.
+
+ CFLAGS="${CFLAGS} +DD64"
+ CXXFLAGS="${CXXFLAGS} +DD64"
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([int main(void) {return (sizeof(void*)*8==64)?0:1;}])],
+ CAN_BUILD_64=yes, CAN_BUILD_64=no)
+ if test "$CAN_BUILD_64" != yes; then
+ # reset
+ CFLAGS="${CFLAGS_OLD}"
+ CXXFLAGS="${CXXFLAGS_OLD}"
+ # append
+ CFLAGS="${CFLAGS} +DA2.0W"
+ CXXFLAGS="${CXXFLAGS} +DA2.0W"
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([int main(void) {return (sizeof(void*)*8==64)?0:1;}])],
+ CAN_BUILD_64=yes, CAN_BUILD_64=no)
+ fi
+ ;;
+ *-*ibm-openedition*|*-*-os390*)
+ CFLAGS="${CFLAGS} -Wc,lp64"
+ CXXFLAGS="${CXXFLAGS} -Wc,lp64"
+ LDFLAGS="${LDFLAGS} -Wl,lp64"
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([int main(void) {return (sizeof(void*)*8==64)?0:1;}])],
+ CAN_BUILD_64=yes, CAN_BUILD_64=no)
+ ;;
+ *)
+ # unknown platform.
+ ;;
+ esac
+ fi
+ AC_MSG_RESULT($CAN_BUILD_64)
+ if test "$CAN_BUILD_64" = yes; then
+ AC_MSG_CHECKING([whether runnable 64-bit binaries are being built ])
+ AC_RUN_IFELSE([AC_LANG_SOURCE([int main(void) {return (sizeof(void*)*8==64)?0:1;}])],
+ BITS_RUN_64=yes, BITS_RUN_64=no, BITS_RUN_64=unknown)
+ AC_MSG_RESULT($BITS_RUN_64);
+
+ CFLAGS_64="${CFLAGS}"
+ CXXFLAGS_64="${CXXFLAGS}"
+ LDFLAGS_64="${LDFLAGS}"
+ ARFLAGS_64="${ARFLAGS}"
+ fi
+ # put it back.
+ CFLAGS="${CFLAGS_OLD}"
+ CXXFLAGS="${CXXFLAGS_OLD}"
+ LDFLAGS="${LDFLAGS_OLD}"
+ ARFLAGS="${ARFLAGS_OLD}"
+ fi
+ if test "$BITS_CHECK_32" = "yes"; then
+ # see comment under 'if BITS_CHECK_64', above.
+ AC_MSG_CHECKING([how to build 32-bit executables])
+ if test "$GCC" = yes; then
+ CFLAGS="${CFLAGS} -m32"
+ CXXFLAGS="${CXXFLAGS} -m32"
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([int main(void) {return (sizeof(void*)*8==32)?0:1;}])],
+ CAN_BUILD_32=yes, CAN_BUILD_32=no)
+ fi
+ AC_MSG_RESULT($CAN_BUILD_32)
+ if test "$CAN_BUILD_32" = yes; then
+ AC_MSG_CHECKING([whether runnable 32-bit binaries are being built ])
+ AC_RUN_IFELSE([AC_LANG_SOURCE([int main(void) {return (sizeof(void*)*8==32)?0:1;}])],
+ BITS_RUN_32=yes, BITS_RUN_32=no, BITS_RUN_32=unknown)
+ AC_MSG_RESULT($BITS_RUN_32);
+ CFLAGS_32="${CFLAGS}"
+ CXXFLAGS_32="${CXXFLAGS}"
+ LDFLAGS_32="${LDFLAGS}"
+ ARFLAGS_32="${ARFLAGS}"
+ fi
+ # put it back.
+ CFLAGS="${CFLAGS_OLD}"
+ CXXFLAGS="${CXXFLAGS_OLD}"
+ LDFLAGS="${LDFLAGS_OLD}"
+ ARFLAGS="${ARFLAGS_OLD}"
+ fi
+
+ ##
+ # OK. Now, we've tested for 32 and 64 bitness. Let's see what we'll do.
+ #
+
+ # First, implement 64else32
+ if test "$BITS_REQ" = "64else32"; then
+ if test "$BITS_RUN_64" = "yes"; then
+ BITS_REQ=64
+ else
+ # no changes.
+ BITS_OK=yes
+ fi
+ fi
+
+ # implement.
+ if test "$BITS_REQ" = "32" -a "$BITS_RUN_32" = "yes"; then
+ CFLAGS="${CFLAGS_32}"
+ CXXFLAGS="${CXXFLAGS_32}"
+ LDFLAGS="${LDFLAGS_32}"
+ ARFLAGS="${ARFLAGS_32}"
+ BITS_OK=yes
+ elif test "$BITS_REQ" = "64" -a "$BITS_RUN_64" = "yes"; then
+ CFLAGS="${CFLAGS_64}"
+ CXXFLAGS="${CXXFLAGS_64}"
+ LDFLAGS="${LDFLAGS_64}"
+ ARFLAGS="${ARFLAGS_64}"
+ BITS_OK=yes
+ elif test "$BITS_OK" != "yes"; then
+ AC_MSG_ERROR([Requested $BITS_REQ bit binaries but could not compile and execute them. See readme.html for help with cross compilation., and set compiler options manually.])
+ fi
+ fi
+])
+
+# Strict compilation options.
+AC_DEFUN(AC_CHECK_STRICT_COMPILE,
+[
+ AC_MSG_CHECKING([whether strict compiling is on])
+ AC_ARG_ENABLE(strict,[ --enable-strict compile with strict compiler options [default=yes]], [
+ if test "$enableval" = no
+ then
+ ac_use_strict_options=no
+ else
+ ac_use_strict_options=yes
+ fi
+ ], [ac_use_strict_options=yes])
+ AC_MSG_RESULT($ac_use_strict_options)
+
+ if test "$ac_use_strict_options" = yes
+ then
+ if test "$GCC" = yes
+ then
+ # Do not use -ansi. It limits us to C90, and it breaks some platforms.
+ # We use -std=c99 to disable the gnu99 defaults and its associated warnings
+ CFLAGS="$CFLAGS -Wall -std=c99 -pedantic -Wshadow -Wpointer-arith -Wmissing-prototypes -Wwrite-strings"
+ else
+ case "${host}" in
+ *-*-cygwin)
+ if test "`$CC /help 2>&1 | head -c9`" = "Microsoft"
+ then
+ CFLAGS="$CFLAGS /W4"
+ fi
+ esac
+ fi
+ if test "$GXX" = yes
+ then
+ CXXFLAGS="$CXXFLAGS -W -Wall -pedantic -Wpointer-arith -Wwrite-strings -Wno-long-long"
+ else
+ case "${host}" in
+ *-*-cygwin)
+ if test "`$CXX /help 2>&1 | head -c9`" = "Microsoft"
+ then
+ CXXFLAGS="$CXXFLAGS /W4"
+ fi
+ esac
+ fi
+ fi
+])
+
+
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