487 lines
17 KiB
Plaintext
487 lines
17 KiB
Plaintext
# aclocal.m4 for ICU
|
|
# Copyright (c) 1999-2010, 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 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 "$GCC" = yes; then
|
|
icu_cv_host_frag=mh-linux
|
|
else
|
|
icu_cv_host_frag=mh-linux-va
|
|
fi ;;
|
|
*-*-linux*|*-pc-gnu) icu_cv_host_frag=mh-linux ;;
|
|
*-*-cygwin|*-*-mingw32)
|
|
if test "$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 :
|
|
$4
|
|
fi])
|
|
|
|
|
|
|
|
# Check if we can build and use 64-bit libraries
|
|
AC_DEFUN(AC_CHECK_64BIT_LIBS,
|
|
[
|
|
BITS_REQ=nochange
|
|
ENABLE_64BIT_LIBS=unknown
|
|
## revisit this for cross-compile.
|
|
|
|
AC_ARG_ENABLE(64bit-libs,
|
|
[ --enable-64bit-libs (deprecated, use --with-library-bits) build 64-bit libraries [default= platform default]],
|
|
[echo "note, use --with-library-bits instead of --*-64bit-libs"
|
|
case "${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=$withval ;;
|
|
32|64|64else32) BITS_REQ=$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 $ac_cv_sizeof_void_p in
|
|
8) DEFAULT_64BIT=yes ;;
|
|
4) DEFAULT_64BIT=no ;;
|
|
*) DEFAULT_64BIT=unknown
|
|
esac
|
|
BITS_GOT=unknown
|
|
|
|
# 'OK' here means, we can exit any further checking, everything's copa
|
|
BITS_OK=yes
|
|
|
|
# do we need to check for buildable/runnable 32 or 64 bit?
|
|
BITS_CHECK_32=no
|
|
BITS_CHECK_64=no
|
|
|
|
# later, can we run the 32/64 bit binaries so made?
|
|
BITS_RUN_32=no
|
|
BITS_RUN_64=no
|
|
|
|
if test "$DEFAULT_64BIT" = "yes"; then
|
|
# we get 64 bits by default.
|
|
BITS_GOT=64
|
|
case "$BITS_REQ" in
|
|
32)
|
|
# need to look for 32 bit support.
|
|
BITS_CHECK_32=yes
|
|
# not copa.
|
|
BITS_OK=no;;
|
|
# everyone else is happy.
|
|
nochange) ;;
|
|
*) ;;
|
|
esac
|
|
elif test "$DEFAULT_64BIT" = "no"; then
|
|
# not 64 bit by default.
|
|
BITS_GOT=32
|
|
case "$BITS_REQ" in
|
|
64|64else32)
|
|
BITS_CHECK_64=yes
|
|
#BITS_CHECK_32=yes
|
|
BITS_OK=no;;
|
|
nochange) ;;
|
|
*) ;;
|
|
esac
|
|
elif test "$DEFAULT_64BIT" = "unknown"; then
|
|
# cross compiling.
|
|
BITS_GOT=unknown
|
|
case "$BITS_REQ" in
|
|
64|64else32) BITS_OK=no
|
|
BITS_CHECK_32=yes
|
|
BITS_CHECK_64=yes ;;
|
|
32) BITS_OK=no;;
|
|
nochange) ;;
|
|
*) ;;
|
|
esac
|
|
fi
|
|
|
|
AC_MSG_RESULT($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="${CXXFLAGS} -m64"
|
|
AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;},
|
|
CAN_BUILD_64=yes, CAN_BUILD_64=no)
|
|
else
|
|
case "${host}" in
|
|
sparc*-*-solaris*)
|
|
# 1. try -m64
|
|
CFLAGS="${CFLAGS} -m64"
|
|
CXXFLAGS="${CXXFLAGS} -m64"
|
|
AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;},
|
|
CAN_BUILD_64=yes, CAN_BUILD_64=no)
|
|
if test "$CAN_BUILD_64" != yes; then
|
|
# Nope. back out changes.
|
|
CFLAGS="${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_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;},
|
|
CAN_BUILD_64=yes, CAN_BUILD_64=no)
|
|
if test "$CAN_BUILD_64" != yes; then
|
|
# Nope. back out changes.
|
|
CFLAGS="${CFLAGS_OLD}"
|
|
CXXFLAGS="${CXXFLAGS_OLD}"
|
|
# 2. try the older compiler option
|
|
## TODO: cross compile problem
|
|
SOL64=`$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="${CXXFLAGS} -xtarget=generic64"
|
|
CAN_BUILD_64=yes
|
|
fi
|
|
fi
|
|
;;
|
|
ia64-*-linux*)
|
|
# check for ecc/ecpc compiler support
|
|
## TODO: cross compiler problem
|
|
if test -n "`$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="${LDFLAGS} -q64"
|
|
AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;},
|
|
CAN_BUILD_64=yes, CAN_BUILD_64=no)
|
|
if test "$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(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="${CXXFLAGS} +DA2.0W"
|
|
AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;},
|
|
CAN_BUILD_64=yes, CAN_BUILD_64=no)
|
|
fi
|
|
;;
|
|
*-*ibm-openedition*|*-*-os390*)
|
|
CFLAGS="${CFLAGS} -Wc,lp64"
|
|
CXXFLAGS="${CXXFLAGS} -Wc,lp64"
|
|
LDFLAGS="${LDFLAGS} -Wl,lp64"
|
|
AC_COMPILE_IFELSE(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_TRY_RUN(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="${CXXFLAGS} -m32"
|
|
AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==32)?0:1;},
|
|
CAN_BUILD_32=yes, CAN_BUILD_32=no)
|
|
fi
|
|
AC_MSG_RESULT($CAN_BUILD_32)
|
|
if test "$CAN_BUILD_32" = yes; then
|
|
AC_MSG_CHECKING([whether runnable 32-bit binaries are being built ])
|
|
AC_TRY_RUN(int main(void) {return (sizeof(void*)*8==32)?0:1;},
|
|
BITS_RUN_32=yes, BITS_RUN_32=no, BITS_RUN_32=unknown)
|
|
AC_MSG_RESULT($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 "$GCC" = yes
|
|
then
|
|
CFLAGS="$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
|
|
])
|
|
|
|
|