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dnl aclocal.m4 for ICU |
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dnl Copyright (c) 1999-2007, International Business Machines Corporation and |
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dnl others. All Rights Reserved. |
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dnl Stephen F. Booth |
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|
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dnl @TOP@ |
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|
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dnl ICU_CHECK_MH_FRAG |
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AC_DEFUN(ICU_CHECK_MH_FRAG, [ |
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AC_CACHE_CHECK( |
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[which Makefile fragment to use], |
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[icu_cv_host_frag], |
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[ |
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case "${host}" in |
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*-*-solaris*) |
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if test "$GCC" = yes; then |
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icu_cv_host_frag=mh-solaris-gcc |
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else |
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icu_cv_host_frag=mh-solaris |
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fi ;; |
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alpha*-*-linux-gnu) |
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if test "$GCC" = yes; then |
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icu_cv_host_frag=mh-alpha-linux-gcc |
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else |
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icu_cv_host_frag=mh-alpha-linux-cc |
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fi ;; |
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powerpc*-*-linux*) |
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if test "$GCC" = yes; then |
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icu_cv_host_frag=mh-linux |
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else |
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icu_cv_host_frag=mh-linux-va |
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fi ;; |
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*-*-linux*|*-pc-gnu) icu_cv_host_frag=mh-linux ;; |
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*-*-cygwin|*-*-mingw32) |
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if test "$GCC" = yes; then |
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AC_TRY_COMPILE([ |
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#ifndef __MINGW32__ |
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#error This is not MinGW |
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#endif], [], icu_cv_host_frag=mh-mingw, icu_cv_host_frag=mh-cygwin) |
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else |
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icu_cv_host_frag=mh-cygwin-msvc |
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fi ;; |
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*-*-*bsd*|*-*-dragonfly*) icu_cv_host_frag=mh-bsd-gcc ;; |
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*-*-aix*) |
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if test "$GCC" = yes; then |
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icu_cv_host_frag=mh-aix-gcc |
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else |
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icu_cv_host_frag=mh-aix-va |
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fi ;; |
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*-*-hpux*) |
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if test "$GCC" = yes; then |
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icu_cv_host_frag=mh-hpux-gcc |
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else |
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case "$CXX" in |
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*aCC) icu_cv_host_frag=mh-hpux-acc ;; |
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esac |
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fi ;; |
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*-*ibm-openedition*|*-*-os390*) icu_cv_host_frag=mh-os390 ;; |
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*-*-os400*) icu_cv_host_frag=mh-os400 ;; |
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*-apple-rhapsody*) icu_cv_host_frag=mh-darwin ;; |
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*-apple-darwin*) icu_cv_host_frag=mh-darwin ;; |
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*-*-beos) icu_cv_host_frag=mh-beos ;; |
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*-*-irix*) icu_cv_host_frag=mh-irix ;; |
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*-dec-osf*) icu_cv_host_frag=mh-alpha-osf ;; |
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*-*-nto*) icu_cv_host_frag=mh-qnx ;; |
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*-ncr-*) icu_cv_host_frag=mh-mpras ;; |
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*) icu_cv_host_frag=mh-unknown ;; |
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esac |
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] |
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) |
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]) |
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|
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dnl ICU_CONDITIONAL - similar example taken from Automake 1.4 |
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AC_DEFUN(ICU_CONDITIONAL, |
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[AC_SUBST($1_TRUE) |
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if $2; then |
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$1_TRUE= |
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else |
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$1_TRUE='#' |
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fi]) |
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|
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dnl ICU_PROG_LINK - Make sure that the linker is usable |
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AC_DEFUN(ICU_PROG_LINK, |
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[ |
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case "${host}" in |
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*-*-cygwin*|*-*-mingw*) |
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if test "$GCC" != yes && test -n "`link --version 2>&1 | grep 'GNU coreutils'`"; then |
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AC_MSG_ERROR([link.exe is not a valid linker. Your PATH is incorrect. |
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Please follow the directions in ICU's readme.]) |
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fi;; |
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*);; |
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esac]) |
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|
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dnl AC_SEARCH_LIBS_FIRST(FUNCTION, SEARCH-LIBS [, ACTION-IF-FOUND |
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dnl [, ACTION-IF-NOT-FOUND [, OTHER-LIBRARIES]]]) |
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dnl Search for a library defining FUNC, then see if it's not already available. |
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|
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AC_DEFUN(AC_SEARCH_LIBS_FIRST, |
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[AC_PREREQ([2.13]) |
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AC_CACHE_CHECK([for library containing $1], [ac_cv_search_$1], |
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[ac_func_search_save_LIBS="$LIBS" |
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ac_cv_search_$1="no" |
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for i in $2; do |
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LIBS="-l$i $5 $ac_func_search_save_LIBS" |
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AC_TRY_LINK_FUNC([$1], |
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[ac_cv_search_$1="-l$i" |
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break]) |
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done |
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if test "$ac_cv_search_$1" = "no"; then |
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AC_TRY_LINK_FUNC([$1], [ac_cv_search_$1="none required"]) |
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fi |
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LIBS="$ac_func_search_save_LIBS"]) |
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if test "$ac_cv_search_$1" != "no"; then |
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test "$ac_cv_search_$1" = "none required" || LIBS="$ac_cv_search_$1 $LIBS" |
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$3 |
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else : |
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$4 |
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fi]) |
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|
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dnl Check if we can build and use 64-bit libraries |
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AC_DEFUN(AC_CHECK_64BIT_LIBS, |
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[ |
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AC_ARG_ENABLE(64bit-libs, |
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[ --enable-64bit-libs build 64-bit libraries [default=yes]], |
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[ENABLE_64BIT_LIBS=${enableval}], |
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[ENABLE_64BIT_LIBS=yes] |
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) |
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dnl These results can't be cached because is sets compiler flags. |
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AC_MSG_CHECKING([for 64-bit executable support]) |
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if test "$ENABLE_64BIT_LIBS" != no; then |
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if test "$GCC" = yes; then |
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dnl First we check that gcc already compiles as 64-bit |
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if test -n "`$CXX -dumpspecs 2>&1 && $CC -dumpspecs 2>&1 | grep -v __LP64__`"; then |
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ENABLE_64BIT_LIBS=yes |
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else |
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dnl Now we check a little more forcefully. |
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dnl Maybe the compiler builds as 32-bit on a 64-bit machine. |
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OLD_CFLAGS="${CFLAGS}" |
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OLD_CXXFLAGS="${CXXFLAGS}" |
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CFLAGS="${CFLAGS} -m64" |
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CXXFLAGS="${CXXFLAGS} -m64" |
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AC_TRY_RUN(int main(void) {return 0;}, |
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ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no) |
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if test "$ENABLE_64BIT_LIBS" = no; then |
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# Nope. We're on a 32-bit machine with a 32-bit compiler. |
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CFLAGS="${OLD_CFLAGS}" |
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CXXFLAGS="${OLD_CXXFLAGS}" |
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fi |
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fi |
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else |
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case "${host}" in |
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sparc*-*-solaris*) |
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SPARCV9=`isainfo -n 2>&1 | grep sparcv9` |
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SOL64=`$CXX -xarch=v9 2>&1 && $CC -xarch=v9 2>&1 | grep -v usage:` |
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if test -z "$SOL64" && test -n "$SPARCV9"; then |
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CFLAGS="${CFLAGS} -xtarget=ultra -xarch=v9" |
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CXXFLAGS="${CXXFLAGS} -xtarget=ultra -xarch=v9" |
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LDFLAGS="${LDFLAGS} -xtarget=ultra -xarch=v9" |
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ENABLE_64BIT_LIBS=yes |
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else |
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ENABLE_64BIT_LIBS=no |
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fi |
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;; |
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i386-*-solaris*) |
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AMD64=`isainfo -n 2>&1 | grep amd64` |
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# The new compiler option |
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SOL64=`$CXX -m64 2>&1 && $CC -m64 2>&1 | grep -v usage:` |
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if test -z "$SOL64" && test -n "$AMD64"; then |
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CFLAGS="${CFLAGS} -m64" |
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CXXFLAGS="${CXXFLAGS} -m64" |
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ENABLE_64BIT_LIBS=yes |
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else |
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# The older compiler option |
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SOL64=`$CXX -xtarget=generic64 2>&1 && $CC -xtarget=generic64 2>&1 | grep -v usage:` |
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if test -z "$SOL64" && test -n "$AMD64"; then |
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CFLAGS="${CFLAGS} -xtarget=generic64" |
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CXXFLAGS="${CXXFLAGS} -xtarget=generic64" |
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ENABLE_64BIT_LIBS=yes |
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else |
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ENABLE_64BIT_LIBS=no |
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fi |
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fi |
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;; |
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ia64-*-linux*) |
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# check for ecc/ecpc compiler support |
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if test -n "`$CXX --help 2>&1 && $CC --help 2>&1 | grep -v Intel`"; then |
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if test -n "`$CXX --help 2>&1 && $CC --help 2>&1 | grep -v Itanium`"; then |
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ENABLE_64BIT_LIBS=yes |
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else |
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ENABLE_64BIT_LIBS=no |
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fi |
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else |
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# unknown |
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ENABLE_64BIT_LIBS=no |
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fi |
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;; |
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*-*-cygwin) |
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dnl vcvarsamd64.bat should have been used to enable 64-bit builds. |
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dnl We only do this check to display the correct answer. |
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if test -n "`$CXX -help 2>&1 | grep 'for x64'`"; then |
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ENABLE_64BIT_LIBS=yes |
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else |
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# unknown |
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ENABLE_64BIT_LIBS=no |
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fi |
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;; |
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*-*-aix*|powerpc64-*-linux*) |
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OLD_CFLAGS="${CFLAGS}" |
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OLD_CXXFLAGS="${CXXFLAGS}" |
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OLD_LDFLAGS="${LDFLAGS}" |
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CFLAGS="${CFLAGS} -q64" |
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CXXFLAGS="${CXXFLAGS} -q64" |
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LDFLAGS="${LDFLAGS} -q64" |
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AC_TRY_RUN(int main(void) {return 0;}, |
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ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no) |
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if test "$ENABLE_64BIT_LIBS" = no; then |
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CFLAGS="${OLD_CFLAGS}" |
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CXXFLAGS="${OLD_CXXFLAGS}" |
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LDFLAGS="${OLD_LDFLAGS}" |
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else |
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case "${host}" in |
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*-*-aix*) |
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ARFLAGS="${ARFLAGS} -X64" |
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esac |
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fi |
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;; |
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*-*-hpux*) |
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dnl First we try the newer +DD64, if that doesn't work, |
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dnl try other options. |
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|
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OLD_CFLAGS="${CFLAGS}" |
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OLD_CXXFLAGS="${CXXFLAGS}" |
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CFLAGS="${CFLAGS} +DD64" |
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CXXFLAGS="${CXXFLAGS} +DD64" |
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AC_TRY_RUN(int main(void) {return 0;}, |
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ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no) |
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if test "$ENABLE_64BIT_LIBS" = no; then |
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CFLAGS="${OLD_CFLAGS}" |
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CXXFLAGS="${OLD_CXXFLAGS}" |
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CFLAGS="${CFLAGS} +DA2.0W" |
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CXXFLAGS="${CXXFLAGS} +DA2.0W" |
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AC_TRY_RUN(int main(void) {return 0;}, |
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ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no) |
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if test "$ENABLE_64BIT_LIBS" = no; then |
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CFLAGS="${OLD_CFLAGS}" |
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CXXFLAGS="${OLD_CXXFLAGS}" |
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fi |
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fi |
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;; |
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*-*ibm-openedition*|*-*-os390*) |
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OLD_CFLAGS="${CFLAGS}" |
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OLD_CXXFLAGS="${CXXFLAGS}" |
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OLD_LDFLAGS="${LDFLAGS}" |
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CFLAGS="${CFLAGS} -Wc,lp64" |
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CXXFLAGS="${CXXFLAGS} -Wc,lp64" |
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LDFLAGS="${LDFLAGS} -Wl,lp64" |
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AC_TRY_RUN(int main(void) {return 0;}, |
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ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no) |
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if test "$ENABLE_64BIT_LIBS" = no; then |
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CFLAGS="${OLD_CFLAGS}" |
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CXXFLAGS="${OLD_CXXFLAGS}" |
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LDFLAGS="${OLD_LDFLAGS}" |
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fi |
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;; |
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*) |
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ENABLE_64BIT_LIBS=no |
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;; |
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esac |
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fi |
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else |
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if test "$GCC" = yes; then |
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OLD_CFLAGS="${CFLAGS}" |
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OLD_CXXFLAGS="${CXXFLAGS}" |
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CFLAGS="${CFLAGS} -m32" |
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CXXFLAGS="${CXXFLAGS} -m32" |
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AC_TRY_RUN(int main(void) {return 0;}, |
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ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=yes) |
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if test "$ENABLE_64BIT_LIBS" = yes; then |
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CFLAGS="${OLD_CFLAGS}" |
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CXXFLAGS="${OLD_CXXFLAGS}" |
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fi |
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fi |
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fi |
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dnl Individual tests that fail should reset their own flags. |
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AC_MSG_RESULT($ENABLE_64BIT_LIBS) |
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]) |
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|
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dnl Strict compilation options. |
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AC_DEFUN(AC_CHECK_STRICT_COMPILE, |
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[ |
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AC_MSG_CHECKING([whether strict compiling is on]) |
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AC_ARG_ENABLE(strict,[ --enable-strict compile with strict compiler options [default=no]], [ |
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if test "$enableval" = no |
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then |
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ac_use_strict_options=no |
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else |
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ac_use_strict_options=yes |
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fi |
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], [ac_use_strict_options=no]) |
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AC_MSG_RESULT($ac_use_strict_options) |
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|
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if test "$ac_use_strict_options" = yes |
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then |
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if test "$GCC" = yes |
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then |
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CFLAGS="$CFLAGS -Wall -ansi -pedantic -Wshadow -Wpointer-arith -Wmissing-prototypes -Wwrite-strings -Wno-long-long" |
| 307 |
case "${host}" in |
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*-*-solaris*) |
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CFLAGS="$CFLAGS -D__STDC__=0";; |
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esac |
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else |
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case "${host}" in |
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*-*-cygwin) |
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if test "`$CC /help 2>&1 | head -c9`" = "Microsoft" |
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then |
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CFLAGS="$CFLAGS /W4" |
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fi |
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esac |
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fi |
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if test "$GXX" = yes |
| 321 |
then |
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CXXFLAGS="$CXXFLAGS -W -Wall -ansi -pedantic -Wpointer-arith -Wwrite-strings -Wno-long-long" |
| 323 |
case "${host}" in |
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*-*-solaris*) |
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CXXFLAGS="$CXXFLAGS -D__STDC__=0";; |
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esac |
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else |
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case "${host}" in |
| 329 |
*-*-cygwin) |
| 330 |
if test "`$CXX /help 2>&1 | head -c9`" = "Microsoft" |
| 331 |
then |
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CXXFLAGS="$CXXFLAGS /W4" |
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fi |
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esac |
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fi |
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fi |
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]) |
