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Diffstat (limited to 'intl/icu/source/acinclude.m4')
| -rw-r--r-- | intl/icu/source/acinclude.m4 | 511 |
1 files changed, 511 insertions, 0 deletions
diff --git a/intl/icu/source/acinclude.m4 b/intl/icu/source/acinclude.m4 new file mode 100644 index 000000000..155ba4bc1 --- /dev/null +++ b/intl/icu/source/acinclude.m4 @@ -0,0 +1,511 @@ +# Copyright (C) 2016 and later: Unicode, Inc. and others. +# License & terms of use: http://www.unicode.org/copyright.html +# Copyright (c) 1999-2016, International Business Machines Corporation and +# others. All Rights Reserved. +# acinclude.m4 for ICU +# Don't edit aclocal.m4, do edit acinclude.m4 +# 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 "$GCC" = yes; then + icu_cv_host_frag=mh-linux + else + icu_cv_host_frag=mh-linux-va + fi ;; +*-*-linux*|*-*-gnu|*-*-k*bsd*-gnu|*-*-kopensolaris*-gnu) icu_cv_host_frag=mh-linux ;; +i[[34567]]86-*-cygwin) + if test "$GCC" = yes; then + icu_cv_host_frag=mh-cygwin + else + icu_cv_host_frag=mh-cygwin-msvc + fi ;; +x86_64-*-cygwin) + if test "$GCC" = yes; then + icu_cv_host_frag=mh-cygwin64 + else + icu_cv_host_frag=mh-cygwin-msvc + fi ;; +*-*-mingw*) + if test "$GCC" = yes; then + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#ifndef __MINGW64__ +#error This is not MinGW64 +#endif]])], [icu_cv_host_frag=mh-mingw64], + [icu_cv_host_frag=mh-mingw]) + else + case "${host}" in + *-*-mingw*) icu_cv_host_frag=mh-msys-msvc ;; + *-*-cygwin) icu_cv_host_frag=mh-cygwin-msvc ;; + esac + fi ;; +*-*-*bsd*|*-*-dragonfly*) icu_cv_host_frag=mh-bsd-gcc ;; +*-*-aix*) + if test "$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_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="${CXXFLAGS_OLD}" + # 2. try xarch=v9 [deprecated] + ## TODO: cross compile: the following won't work. + SPARCV9=`isainfo -n 2>&1 | grep sparcv9` + SOL64=`$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 "$GCC" = yes + then + case "${host}" in + *-*-solaris*) + # Don't use -std=c99 on Solaris because of timezone check fails + ;; + *) + # 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="$CFLAGS -std=c99" + ;; + esac + + CFLAGS="$CFLAGS -Wall -pedantic -Wshadow -Wpointer-arith -Wmissing-prototypes -Wwrite-strings" + + # Suppress clang C warnings: + CFLAGS="$CFLAGS -Wno-sign-compare -Wno-unused" + else + case "${host}" in + *-*-cygwin) + if test "`$CC /help 2>&1 | head -c9`" = "Microsoft" + then + CFLAGS="$CFLAGS /W4" + fi ;; + *-*-mingw*) + CFLAGS="$CFLAGS -W4" ;; + esac + fi + if test "$GXX" = yes + then + CXXFLAGS="$CXXFLAGS -W -Wall -pedantic -Wpointer-arith -Wwrite-strings -Wno-long-long" + + # Suppress clang C++ warnings: + CXXFLAGS="$CXXFLAGS -Wno-unused -Wno-unused-parameter" + else + case "${host}" in + *-*-cygwin) + if test "`$CXX /help 2>&1 | head -c9`" = "Microsoft" + then + CXXFLAGS="$CXXFLAGS /W4" + fi ;; + *-*-mingw*) + CFLAGS="$CFLAGS -W4" ;; + esac + fi + fi +]) + + |