| dnl aclocal.m4 for ICU |
| dnl Copyright (c) 1999-2007, International Business Machines Corporation and |
| dnl others. All Rights Reserved. |
| dnl Stephen F. Booth |
| |
| dnl @TOP@ |
| |
| dnl 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) 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 |
| ] |
| ) |
| ]) |
| |
| dnl ICU_CONDITIONAL - similar example taken from Automake 1.4 |
| AC_DEFUN(ICU_CONDITIONAL, |
| [AC_SUBST($1_TRUE) |
| if $2; then |
| $1_TRUE= |
| else |
| $1_TRUE='#' |
| fi]) |
| |
| dnl ICU_PROG_LINK - Make sure that the linker is usable |
| AC_DEFUN(ICU_PROG_LINK, |
| [ |
| case "${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]) |
| |
| dnl AC_SEARCH_LIBS_FIRST(FUNCTION, SEARCH-LIBS [, ACTION-IF-FOUND |
| dnl [, ACTION-IF-NOT-FOUND [, OTHER-LIBRARIES]]]) |
| dnl 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 : |
| $4 |
| fi]) |
| |
| dnl Check if we can build and use 64-bit libraries |
| AC_DEFUN(AC_CHECK_64BIT_LIBS, |
| [ |
| AC_ARG_ENABLE(64bit-libs, |
| [ --enable-64bit-libs build 64-bit libraries [default=yes]], |
| [ENABLE_64BIT_LIBS=${enableval}], |
| [ENABLE_64BIT_LIBS=yes] |
| ) |
| dnl These results can't be cached because is sets compiler flags. |
| AC_MSG_CHECKING([for 64-bit executable support]) |
| if test "$ENABLE_64BIT_LIBS" != no; then |
| if test "$GCC" = yes; then |
| dnl First we check that gcc already compiles as 64-bit |
| if test -n "`$CXX -dumpspecs 2>&1 && $CC -dumpspecs 2>&1 | grep -v __LP64__`"; then |
| ENABLE_64BIT_LIBS=yes |
| else |
| dnl Now we check a little more forcefully. |
| dnl Maybe the compiler builds as 32-bit on a 64-bit machine. |
| OLD_CFLAGS="${CFLAGS}" |
| OLD_CXXFLAGS="${CXXFLAGS}" |
| CFLAGS="${CFLAGS} -m64" |
| CXXFLAGS="${CXXFLAGS} -m64" |
| AC_TRY_RUN(int main(void) {return 0;}, |
| ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no) |
| if test "$ENABLE_64BIT_LIBS" = no; then |
| # Nope. We're on a 32-bit machine with a 32-bit compiler. |
| CFLAGS="${OLD_CFLAGS}" |
| CXXFLAGS="${OLD_CXXFLAGS}" |
| fi |
| fi |
| else |
| case "${host}" in |
| sparc*-*-solaris*) |
| SPARCV9=`isainfo -n 2>&1 | grep sparcv9` |
| SOL64=`$CXX -xarch=v9 2>&1 && $CC -xarch=v9 2>&1 | grep -v usage:` |
| if test -z "$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 |
| ;; |
| i386-*-solaris*) |
| AMD64=`isainfo -n 2>&1 | grep amd64` |
| # The new compiler option |
| SOL64=`$CXX -m64 2>&1 && $CC -m64 2>&1 | grep -v usage:` |
| if test -z "$SOL64" && test -n "$AMD64"; then |
| CFLAGS="${CFLAGS} -m64" |
| CXXFLAGS="${CXXFLAGS} -m64" |
| ENABLE_64BIT_LIBS=yes |
| else |
| # The older compiler option |
| SOL64=`$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="${CXXFLAGS} -xtarget=generic64" |
| ENABLE_64BIT_LIBS=yes |
| else |
| ENABLE_64BIT_LIBS=no |
| fi |
| fi |
| ;; |
| ia64-*-linux*) |
| # check for ecc/ecpc compiler support |
| if test -n "`$CXX --help 2>&1 && $CC --help 2>&1 | grep -v Intel`"; then |
| if test -n "`$CXX --help 2>&1 && $CC --help 2>&1 | grep -v Itanium`"; then |
| ENABLE_64BIT_LIBS=yes |
| else |
| ENABLE_64BIT_LIBS=no |
| fi |
| else |
| # unknown |
| ENABLE_64BIT_LIBS=no |
| fi |
| ;; |
| *-*-cygwin) |
| dnl vcvarsamd64.bat should have been used to enable 64-bit builds. |
| dnl We only do this check to display the correct answer. |
| if test -n "`$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_TRY_RUN(int main(void) {return 0;}, |
| ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no) |
| if test "$ENABLE_64BIT_LIBS" = no; then |
| CFLAGS="${OLD_CFLAGS}" |
| CXXFLAGS="${OLD_CXXFLAGS}" |
| LDFLAGS="${OLD_LDFLAGS}" |
| else |
| case "${host}" in |
| *-*-aix*) |
| ARFLAGS="${ARFLAGS} -X64" |
| esac |
| fi |
| ;; |
| *-*-hpux*) |
| dnl First we try the newer +DD64, if that doesn't work, |
| dnl try other options. |
| |
| OLD_CFLAGS="${CFLAGS}" |
| OLD_CXXFLAGS="${CXXFLAGS}" |
| CFLAGS="${CFLAGS} +DD64" |
| CXXFLAGS="${CXXFLAGS} +DD64" |
| AC_TRY_RUN(int main(void) {return 0;}, |
| ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no) |
| if test "$ENABLE_64BIT_LIBS" = no; then |
| CFLAGS="${OLD_CFLAGS}" |
| CXXFLAGS="${OLD_CXXFLAGS}" |
| CFLAGS="${CFLAGS} +DA2.0W" |
| CXXFLAGS="${CXXFLAGS} +DA2.0W" |
| AC_TRY_RUN(int main(void) {return 0;}, |
| ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no) |
| if test "$ENABLE_64BIT_LIBS" = no; 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_TRY_RUN(int main(void) {return 0;}, |
| ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no) |
| if test "$ENABLE_64BIT_LIBS" = no; then |
| CFLAGS="${OLD_CFLAGS}" |
| CXXFLAGS="${OLD_CXXFLAGS}" |
| LDFLAGS="${OLD_LDFLAGS}" |
| fi |
| ;; |
| *) |
| ENABLE_64BIT_LIBS=no |
| ;; |
| esac |
| fi |
| else |
| if test "$GCC" = yes; then |
| OLD_CFLAGS="${CFLAGS}" |
| OLD_CXXFLAGS="${CXXFLAGS}" |
| CFLAGS="${CFLAGS} -m32" |
| CXXFLAGS="${CXXFLAGS} -m32" |
| AC_TRY_RUN(int main(void) {return 0;}, |
| ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=yes) |
| if test "$ENABLE_64BIT_LIBS" = yes; then |
| CFLAGS="${OLD_CFLAGS}" |
| CXXFLAGS="${OLD_CXXFLAGS}" |
| fi |
| fi |
| fi |
| dnl Individual tests that fail should reset their own flags. |
| AC_MSG_RESULT($ENABLE_64BIT_LIBS) |
| ]) |
| |
| dnl Strict compilation options. |
| AC_DEFUN(AC_CHECK_STRICT_COMPILE, |
| [ |
| AC_MSG_CHECKING([whether strict compiling is on]) |
| AC_ARG_ENABLE(strict,[ --enable-strict compile with strict compiler options [default=no]], [ |
| if test "$enableval" = no |
| then |
| ac_use_strict_options=no |
| else |
| ac_use_strict_options=yes |
| fi |
| ], [ac_use_strict_options=no]) |
| 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 |
| ]) |
| |
| |