| # aclocal.m4 for ICU |
| # Copyright (c) 1999-2008, 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], |
| [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*|*-pc-gnu) icu_cv_host_frag=mh-linux ;; |
| *-*-cygwin|*-*-mingw32) |
| if test "$GCC" = yes; then |
| AC_TRY_COMPILE([ |
| #ifndef __MINGW32__ |
| #error This is not MinGW |
| #endif], [], icu_cv_host_frag=mh-mingw, icu_cv_host_frag=mh-cygwin) |
| else |
| icu_cv_host_frag=mh-cygwin-msvc |
| fi ;; |
| *-*-*bsd*|*-*-dragonfly*) icu_cv_host_frag=mh-bsd-gcc ;; |
| *-*-aix*) |
| if test "$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|*-*-haiku) icu_cv_host_frag=mh-beos ;; |
| *-*-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 : |
| $4 |
| fi]) |
| |
| |
| |
| # Check if we can build and use 64-bit libraries |
| AC_DEFUN(AC_CHECK_64BIT_LIBS, |
| [ |
| BITS_REQ=nochange |
| ENABLE_64BIT_LIBS=unknown |
| ## revisit this for cross-compile. |
| |
| AC_ARG_ENABLE(64bit-libs, |
| [ --enable-64bit-libs (deprecated, use --with-library-bits) build 64-bit libraries [default= platform default]], |
| [echo "note, use --with-library-bits instead of --*-64bit-libs" |
| case "${withval}" in |
| no|false|32) BITS_REQ=32 ;; |
| yes|true|64) BITS_REQ=64 ;; |
| nochange) BITS_REQ=nochange ;; |
| *) AC_MSG_ERROR(bad value ${withval} for --with-library-bits) ;; |
| esac] ) |
| |
| |
| AC_ARG_WITH(library-bits, |
| [ --with-library-bits=bits specify how many bits to use for the library (32, 64, 64else32, nochange) [default=nochange]], |
| [case "${withval}" in |
| nochange) BITS_REQ=$withval ;; |
| 32|64|64else32) BITS_REQ=$withval ;; |
| *) AC_MSG_ERROR(bad value ${withval} for --with-library-bits) ;; |
| esac]) |
| DEFAULT_64BIT=no |
| AC_MSG_CHECKING([whether 64 bit binaries are built by default]) |
| AC_RUN_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;}, |
| DEFAULT_64BIT=yes, DEFAULT_64BIT=no, DEFAULT_64BIT=unknown) |
| BITS_GOT=unknown |
| BITS_OK=yes |
| if test "$DEFAULT_64BIT" = "yes"; then |
| BITS_GOT=64 |
| case "$BITS_REQ" in |
| 32) BITS_OK=no;; |
| nochange) ;; |
| *) ;; |
| esac |
| elif test "$DEFAULT_64BIT" = "no"; then |
| BITS_GOT=32 |
| case "$BITS_REQ" in |
| 64|64else32) BITS_OK=no;; |
| nochange) ;; |
| *) ;; |
| esac |
| elif test "$DEFAULT_64BIT" = "unknown"; then |
| BITS_GOT=unknown |
| case "$BITS_REQ" in |
| 64|64else32) BITS_OK=no;; |
| 32) BITS_OK=no;; |
| nochange) ;; |
| *) ;; |
| esac |
| fi |
| |
| AC_MSG_RESULT($DEFAULT_64BIT); |
| #AC_MSG_RESULT($DEFAULT_64BIT - got $BITS_GOT wanted $BITS_REQ okness $BITS_OK); |
| if test "$BITS_OK" != "yes"; then |
| # These results can't be cached because is sets compiler flags. |
| if test "$BITS_REQ" = "64" -o "$BITS_REQ" = "64else32"; then |
| AC_MSG_CHECKING([how to build 64-bit executables]) |
| if test "$GCC" = yes; then |
| #DONOTUSE# This test is wrong. If it's GCC, just test m64 |
| #DONOTUSE#if test -n "`$CXX -dumpspecs 2>&1 && $CC -dumpspecs 2>&1 | grep -v __LP64__`"; then |
| OLD_CFLAGS="${CFLAGS}" |
| OLD_CXXFLAGS="${CXXFLAGS}" |
| CFLAGS="${CFLAGS} -m64" |
| CXXFLAGS="${CXXFLAGS} -m64" |
| AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;}, |
| ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no) |
| if test "$ENABLE_64BIT_LIBS" != yes; then |
| # Nope. back out changes. |
| CFLAGS="${OLD_CFLAGS}" |
| CXXFLAGS="${OLD_CXXFLAGS}" |
| fi |
| else |
| case "${host}" in |
| sparc*-*-solaris*) |
| # 0. save old flags |
| OLD_CFLAGS="${CFLAGS}" |
| OLD_CXXFLAGS="${CXXFLAGS}" |
| # 1. try -m64 |
| CFLAGS="${CFLAGS} -m64" |
| CXXFLAGS="${CXXFLAGS} -m64" |
| AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;}, |
| ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no) |
| if test "$ENABLE_64BIT_LIBS" != yes; then |
| # Nope. back out changes. |
| CFLAGS="${OLD_CFLAGS}" |
| CXXFLAGS="${OLD_CXXFLAGS}" |
| # 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" |
| ENABLE_64BIT_LIBS=yes |
| else |
| ENABLE_64BIT_LIBS=no |
| fi |
| fi |
| ;; |
| i386-*-solaris*) |
| # 0. save old flags |
| OLD_CFLAGS="${CFLAGS}" |
| OLD_CXXFLAGS="${CXXFLAGS}" |
| # 1. try -m64 |
| CFLAGS="${CFLAGS} -m64" |
| CXXFLAGS="${CXXFLAGS} -m64" |
| AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;}, |
| ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no) |
| if test "$ENABLE_64BIT_LIBS" != yes; then |
| # Nope. back out changes. |
| CFLAGS="${OLD_CFLAGS}" |
| CXXFLAGS="${OLD_CXXFLAGS}" |
| # 2. try the older compiler option |
| ## TODO: cross compile problem |
| SOL64=`$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="${CXXFLAGS} -xtarget=generic64" |
| ENABLE_64BIT_LIBS=yes |
| else |
| ENABLE_64BIT_LIBS=no |
| fi |
| fi |
| ;; |
| ia64-*-linux*) |
| # check for ecc/ecpc compiler support |
| ## TODO: cross compiler problem |
| if test -n "`$CXX --help 2>&1 && $CC --help 2>&1 | grep -v Intel`"; then |
| if test -n "`$CXX --help 2>&1 && $CC --help 2>&1 | grep -v Itanium`"; then |
| ENABLE_64BIT_LIBS=yes |
| else |
| ENABLE_64BIT_LIBS=no |
| fi |
| else |
| # unknown |
| ENABLE_64BIT_LIBS=no |
| fi |
| ;; |
| *-*-cygwin) |
| # vcvarsamd64.bat should have been used to enable 64-bit builds. |
| # We only do this check to display the correct answer. |
| ## TODO: cross compiler problem |
| if test -n "`$CXX -help 2>&1 | grep 'for x64'`"; then |
| ENABLE_64BIT_LIBS=yes |
| else |
| # unknown |
| ENABLE_64BIT_LIBS=no |
| fi |
| ;; |
| *-*-aix*|powerpc64-*-linux*) |
| OLD_CFLAGS="${CFLAGS}" |
| OLD_CXXFLAGS="${CXXFLAGS}" |
| OLD_LDFLAGS="${LDFLAGS}" |
| CFLAGS="${CFLAGS} -q64" |
| CXXFLAGS="${CXXFLAGS} -q64" |
| LDFLAGS="${LDFLAGS} -q64" |
| AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;}, |
| ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no) |
| if test "$ENABLE_64BIT_LIBS" != yes; then |
| CFLAGS="${OLD_CFLAGS}" |
| CXXFLAGS="${OLD_CXXFLAGS}" |
| LDFLAGS="${OLD_LDFLAGS}" |
| else |
| case "${host}" in |
| *-*-aix*) |
| ARFLAGS="${ARFLAGS} -X64" |
| esac |
| fi |
| ;; |
| *-*-hpux*) |
| # First we try the newer +DD64, if that doesn't work, |
| # try other options. |
| |
| OLD_CFLAGS="${CFLAGS}" |
| OLD_CXXFLAGS="${CXXFLAGS}" |
| CFLAGS="${CFLAGS} +DD64" |
| CXXFLAGS="${CXXFLAGS} +DD64" |
| AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;}, |
| ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no) |
| if test "$ENABLE_64BIT_LIBS" != yes; then |
| CFLAGS="${OLD_CFLAGS}" |
| CXXFLAGS="${OLD_CXXFLAGS}" |
| CFLAGS="${CFLAGS} +DA2.0W" |
| CXXFLAGS="${CXXFLAGS} +DA2.0W" |
| AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;}, |
| ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no) |
| if test "$ENABLE_64BIT_LIBS" != yes; then |
| CFLAGS="${OLD_CFLAGS}" |
| CXXFLAGS="${OLD_CXXFLAGS}" |
| fi |
| fi |
| ;; |
| *-*ibm-openedition*|*-*-os390*) |
| OLD_CFLAGS="${CFLAGS}" |
| OLD_CXXFLAGS="${CXXFLAGS}" |
| OLD_LDFLAGS="${LDFLAGS}" |
| CFLAGS="${CFLAGS} -Wc,lp64" |
| CXXFLAGS="${CXXFLAGS} -Wc,lp64" |
| LDFLAGS="${LDFLAGS} -Wl,lp64" |
| AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;}, |
| ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no) |
| if test "$ENABLE_64BIT_LIBS" != yes; then |
| CFLAGS="${OLD_CFLAGS}" |
| CXXFLAGS="${OLD_CXXFLAGS}" |
| LDFLAGS="${OLD_LDFLAGS}" |
| fi |
| ;; |
| *) |
| ENABLE_64BIT_LIBS=no |
| ;; |
| esac |
| fi |
| AC_MSG_RESULT($ENABLE_64BIT_LIBS) |
| elif test "$BITS_REQ" = "32"; then |
| AC_MSG_CHECKING([how to build 32-bit executables]) |
| if test "$GCC" = yes; then |
| OLD_CFLAGS="${CFLAGS}" |
| OLD_CXXFLAGS="${CXXFLAGS}" |
| CFLAGS="${CFLAGS} -m32" |
| CXXFLAGS="${CXXFLAGS} -m32" |
| AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==32)?0:1;}, |
| ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=yes) |
| if test "$ENABLE_64BIT_LIBS" != no; then |
| CFLAGS="${OLD_CFLAGS}" |
| CXXFLAGS="${OLD_CXXFLAGS}" |
| fi |
| else |
| echo " Note: not sure how to build 32 bit executables on this platform." |
| fi |
| # 'How to build 32 bit...' will be opposite of 64 bit |
| if test "$ENABLE_64BIT_LIBS" = yes; then |
| AC_MSG_RESULT(no) |
| else |
| if test "$ENABLE_64BIT_LIBS" = no; then |
| AC_MSG_RESULT(yes) |
| else |
| AC_MSG_RESULT(unknown) |
| fi |
| fi |
| fi |
| # Individual tests that fail should reset their own flags. |
| NOW_64BIT=no |
| NOW_32BIT=no |
| AC_MSG_CHECKING([whether runnable 64-bit binaries are being built ]) |
| AC_TRY_RUN(int main(void) {return (sizeof(void*)*8==64)?0:1;}, |
| NOW_64BIT=yes, NOW_64BIT=no, NOW_64BIT=unknown) |
| AC_MSG_RESULT($NOW_64BIT); |
| AC_MSG_CHECKING([whether runnable 32-bit binaries are being built ]) |
| AC_TRY_RUN(int main(void) {return (sizeof(void*)*8==32)?0:1;}, |
| NOW_32BIT=yes, NOW_32BIT=no, NOW_32BIT=unknown) |
| AC_MSG_RESULT($NOW_32BIT); |
| |
| if test "$BITS_REQ" = "32" -a "$NOW_64BIT" = "yes"; then |
| AC_MSG_ERROR([Requested $BITS_REQ but got 64 bit binaries]) |
| elif test "$BITS_REQ" = "64" -a "$NOW_32BIT" = "yes"; then |
| AC_MSG_ERROR([Requested $BITS_REQ but got 32 bit binaries]) |
| elif test "$NOW_32BIT" != "yes" -a "$NOW_64BIT" != "yes"; then |
| echo "*** Note: Cannot determine bitness - if configure fails later, try --with-library-bits=nochange" |
| fi |
| fi |
| ]) |
| |
| # Strict compilation options. |
| AC_DEFUN(AC_CHECK_STRICT_COMPILE, |
| [ |
| AC_MSG_CHECKING([whether strict compiling is on]) |
| AC_ARG_ENABLE(strict,[ --enable-strict compile with strict compiler options [default=yes]], [ |
| if test "$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 "$GCC" = yes |
| then |
| CFLAGS="$CFLAGS -Wall -ansi -pedantic -Wshadow -Wpointer-arith -Wmissing-prototypes -Wwrite-strings -Wno-long-long" |
| case "${host}" in |
| *-*-solaris*) |
| CFLAGS="$CFLAGS -D__STDC__=0";; |
| esac |
| 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="$CXXFLAGS -W -Wall -ansi -pedantic -Wpointer-arith -Wwrite-strings -Wno-long-long" |
| case "${host}" in |
| *-*-solaris*) |
| CXXFLAGS="$CXXFLAGS -D__STDC__=0";; |
| esac |
| else |
| case "${host}" in |
| *-*-cygwin) |
| if test "`$CXX /help 2>&1 | head -c9`" = "Microsoft" |
| then |
| CXXFLAGS="$CXXFLAGS /W4" |
| fi |
| esac |
| fi |
| fi |
| ]) |
| |
| |
