The Tor Browser: intl/icu/source/acinclude.m4@b8a032363ba2 (annotated)

intl/icu/source/acinclude.m4@b8a032363ba2 (annotated)

intl/icu/source/acinclude.m4

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 # Copyright (c) 1999-2013, 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 "$GCC" = yes; then
 		icu_cv_host_frag=mh-linux
 	else
 		icu_cv_host_frag=mh-linux-va
 	fi ;;
 *-*-linux*|*-*-gnu|*-*-k*bsd*-gnu|*-*-kopensolaris*-gnu) icu_cv_host_frag=mh-linux ;;
 *-*-cygwin|*-*-mingw32|*-*-mingw64)
 	if test "$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
 		case "${host}" in
 		*-*-cygwin) icu_cv_host_frag=mh-cygwin-msvc ;;
 		*-*-mingw32|*-*-mingw64) icu_cv_host_frag=mh-msys-msvc ;;
 		esac
 	fi ;;
 *-*-*bsd*|*-*-dragonfly*) 	icu_cv_host_frag=mh-bsd-gcc ;;
 *-*-aix*)
 	if test "$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_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=$withval ;;
 |64|64else32) BITS_REQ=$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 $ac_cv_sizeof_void_p in
 ) DEFAULT_64BIT=yes ;;
 ) DEFAULT_64BIT=no ;;
         *) DEFAULT_64BIT=unknown
     esac
     BITS_GOT=unknown
     # 'OK' here means, we can exit any further checking, everything's copa
     BITS_OK=yes
     # do we need to check for buildable/runnable 32 or 64 bit?
     BITS_CHECK_32=no
     BITS_CHECK_64=no
     # later, can we run the 32/64 bit binaries so made?
     BITS_RUN_32=no
     BITS_RUN_64=no
     if test "$DEFAULT_64BIT" = "yes"; then
         # we get 64 bits by default.
         BITS_GOT=64
         case "$BITS_REQ" in
 )
                 # need to look for 32 bit support.
                 BITS_CHECK_32=yes
                 # not copa.
                 BITS_OK=no;;
             # everyone else is happy.
             nochange) ;;
             *) ;;
         esac
     elif test "$DEFAULT_64BIT" = "no"; then
         # not 64 bit by default.
         BITS_GOT=32
         case "$BITS_REQ" in
 |64else32)
                 BITS_CHECK_64=yes
                 #BITS_CHECK_32=yes
                 BITS_OK=no;;
             nochange) ;;
             *) ;;
         esac
     elif test "$DEFAULT_64BIT" = "unknown"; then
         # cross compiling.
         BITS_GOT=unknown
         case "$BITS_REQ" in
 |64else32) BITS_OK=no
             BITS_CHECK_32=yes
             BITS_CHECK_64=yes ;;
 ) BITS_OK=no;;
             nochange) ;;
             *) ;;
         esac
     fi
     AC_MSG_RESULT($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 "$GCC" = yes
         then
             case "${host}" in
             *-*-solaris*)
                 # Don't use -std=c99 option on Solaris/GCC
                 ;;
             *)
                 # 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"
         else
             case "${host}" in
             *-*-cygwin)
                 if test "`$CC /help 2>&1 | head -c9`" = "Microsoft"
                 then
                     CFLAGS="$CFLAGS /W4"
                 fi ;;
             *-*-mingw32|*-*-mingw64)
                 CFLAGS="$CFLAGS -W4" ;;
             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="$CXXFLAGS /W4"
                 fi ;;
             *-*-mingw32|*-*-mingw64)
                 CFLAGS="$CFLAGS -W4" ;;
             esac
         fi
     fi
 ])

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intl/icu/source/acinclude.m4@b8a032363ba2 (annotated)

intl/icu/source/acinclude.m4