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scuffed-code/icu4c/source/aclocal.m4
George Rhoten a3c828c1ad ICU-4148 Improve the MinGW configuration so that it can get further along in the build process. 
It doesn't complete yet, but this is a work in progress.
Commit changes for now so that others may improve the build.

X-SVN-Rev: 16706
2004-11-01 23:22:40 +00:00

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dnl aclocal.m4 for ICU
dnl Copyright (c) 1999-2004, 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*) icu_cv_host_frag=mh-linux ;;
*-*-cygwin)
if test "$GCC" = yes; then
icu_cv_host_frag=mh-cygwin
else
icu_cv_host_frag=mh-cygwin-msvc
fi ;;
*-*-mingw32)
if test "$GCC" = yes; then
icu_cv_host_frag=mh-mingw
else
icu_cv_host_frag=mh-cygwin-msvc
fi ;;
*-*-*bsd*) icu_cv_host_frag=mh-bsd-gcc ;;
*-*-aix*)
if test "$GCC" = yes; then
icu_cv_host_frag=mh-aix-gcc
else
if test -n "`$CXX --help 2>&1 | grep 'IBM C and C++ Compilers$'`"; then
icu_cv_host_frag=mh-aix
else
icu_cv_host_frag=mh-aix-va
fi
fi ;;
*-*-hpux*)
if test "$GCC" = yes; then
icu_cv_host_frag=mh-hpux-gcc
else
case "$CXX" in
*aCC) icu_cv_host_frag=mh-hpux-acc ;;
*CC) icu_cv_host_frag=mh-hpux-cc ;;
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 ;;
*-sequent-*) icu_cv_host_frag=mh-ptx ;;
*) 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 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 "$ENABLE_64BIT_LIBS" != no; then
case "${host}" in
*-*-solaris*)
SPARCV9=`isainfo -n 2>&1 | grep sparcv9`
if test "$GCC" = yes; then
# We could add a check for -m64 depending on the gcc version.
ENABLE_64BIT_LIBS=no
else
SOL64=`$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
fi
;;
ia64-*-linux*)
if test "$GCC" = yes; then
# gcc compiler support
if test -n "`$CXX -dumpspecs 2>&1 && $CC -dumpspecs 2>&1 | grep -v __LP64__`"; then
ENABLE_64BIT_LIBS=yes
else
ENABLE_64BIT_LIBS=no
fi
else
# check for ecc/ecpc compiler support
if test -n "`$CXX --help 2>&1 && $CC --help 2>&1 | grep -v Intel`"; then
if test -n "`$CXX --help 2>&1 && $CC --help 2>&1 | grep -v Itanium`"; then
ENABLE_64BIT_LIBS=yes
else
ENABLE_64BIT_LIBS=no
fi
else
# unknown
ENABLE_64BIT_LIBS=no
fi
fi
;;
x86_64-*-linux*)
if test "$GCC" = yes; then
if test -n "`$CXX -dumpspecs 2>&1 && $CC -dumpspecs 2>&1 | grep -v __LP64__`"; then
ENABLE_64BIT_LIBS=yes
else
ENABLE_64BIT_LIBS=no
fi
else
# unknown
ENABLE_64BIT_LIBS=no
fi
;;
*-*-aix*|powerpc64-*-linux*)
if test "$ac_cv_prog_gcc" = no; then
# Note: Have not tested 64-bitness with gcc.
# Maybe the flag "-maix64" could be used with gcc?
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
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
;;
*)
ENABLE_64BIT_LIBS=no
;;
esac
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 -Winline -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="$CXXFLAGS -W -Wall -ansi -pedantic -Wpointer-arith -Wmissing-prototypes -Wwrite-strings -Winline -Wno-long-long"
case "${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
])
dnl Define a sizeof checking macro that is a bit better than autoconf's
dnl builtin (and heavily based on it, of course). The new macro is
dnl AC_DO_CHECK_SIZEOF(TYPE [, CROSS_SIZE [, INCLUDES])
AC_DEFUN(AC_DO_CHECK_SIZEOF,
[changequote(<<, >>)dnl
dnl The name to #define.
define(<<AC_TYPE_NAME>>, translit(sizeof_$1, [a-z *], [A-Z_P]))dnl
dnl The cache variable name.
define(<<AC_CV_NAME>>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl
changequote([, ])dnl
AC_MSG_CHECKING(size of $1)
AC_CACHE_VAL(AC_CV_NAME,
[AC_TRY_RUN($3
[#include <stdio.h>
main()
{
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
fprintf(f, "%d\n", sizeof($1));
exit(0);
}], AC_CV_NAME=`cat conftestval`, AC_CV_NAME=0, ifelse([$2], , , AC_CV_NAME=$2))])dnl
AC_MSG_RESULT($AC_CV_NAME)
AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)
undefine([AC_TYPE_NAME])dnl
undefine([AC_CV_NAME])dnl
])
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