scuffed-code/icu4c/source/configure.in
2009-02-24 19:57:06 +00:00

1175 lines
34 KiB
Plaintext

# -*-autoconf-*-
AC_COPYRIGHT([ Copyright (c) 1999-2009, International Business Machines Corporation and others. All Rights Reserved. ])
# configure.in for ICU
# Stephen F. Booth, heavily modified by Yves and others
# Check for autoconf version
AC_PREREQ(2.63)
# Process this file with autoconf to produce a configure script
AC_INIT
AC_CONFIG_SRCDIR([common/unicode/utypes.h])
AC_CONFIG_HEADER(common/icucfg.h)
PACKAGE="icu"
AC_SUBST(PACKAGE)
AC_MSG_CHECKING(for ICU version numbers)
# Get the ICU version from uversion.h or other headers
geticuversion() {
[sed -n 's/^[ ]*#[ ]*define[ ]*U_ICU_VERSION[ ]*"\([^"]*\)".*/\1/p' "$@"]
}
VERSION=`geticuversion $srcdir/common/unicode/uversion.h`
if test x"$VERSION" = x; then
VERSION=`geticuversion $srcdir/common/unicode/*.h`
if test x"$VERSION" = x; then
AC_MSG_ERROR([Cannot determine ICU version number from header files])
fi
fi
# Compute a reasonable library version from the release version. This is
# very bad, but that's wanted... We want to make sure that the LIB_VERSION
# has at least a dot in it, so we'll add a .0 if needed.
[LIB_VERSION=`echo $VERSION | sed -e 's/\.//' -e 's/^\([^.]*\)$/\1.0/'`]
LIB_VERSION_MAJOR=`echo $LIB_VERSION | sed 's/\..*//'`
AC_SUBST(VERSION)
AC_SUBST(LIB_VERSION)
AC_SUBST(LIB_VERSION_MAJOR)
AC_MSG_RESULT([release $VERSION, library $LIB_VERSION])
UNICODE_VERSION="5.1"
AC_SUBST(UNICODE_VERSION)
# Determine the host system
AC_CANONICAL_HOST
AC_SUBST(CPPFLAGS)
# This variable is needed on z/OS because the C++ compiler only recognizes .C
_CXX_CXXSUFFIX=cpp
export _CXX_CXXSUFFIX
# Checks for programs
AC_PROG_CC
AC_PROG_CXX
AC_PROG_INSTALL
# make sure install is relative to srcdir - if a script
if test "$srcdir" = "."; then
# If srcdir isn't just ., then (srcdir) is already prepended.
if test "${ac_install_sh}" = "${INSTALL}"; then
INSTALL="\\\$(top_srcdir)/${ac_install_sh}"
fi
fi
#AC_CHECK_PROG(AUTOCONF, autoconf, autoconf, true)
#AC_CHECK_PROG(STRIP, strip, strip, true)
# Check for the platform make
AC_PATH_PROGS(U_MAKE, gmake gnumake, make)
AC_SUBST(U_MAKE)
# Check for doxygen to generate documentation
AC_PATH_PROG(DOXYGEN,doxygen,,$PATH:/usr/local/bin:/usr/bin)
# Check that the linker is usable
ICU_PROG_LINK
# Determine the executable suffix
# We don't use AC_EXEEXT because some compilers output separate debugging
# files, which confuses the AC_EXEEXT macro.
AC_MSG_CHECKING(checking for executable suffix)
case "${host}" in
*-*-cygwin*|*-*-mingw*) EXEEXT=.exe ;;
*) EXEEXT="" ;;
esac
ac_exeext=$EXEEXT
AC_MSG_RESULT($EXEEXT)
AC_SUBST(EXEEXT)
# Determine how strict we want to be when compiling
AC_CHECK_STRICT_COMPILE
# Check if we can build and use 64-bit libraries
AC_CHECK_64BIT_LIBS
AC_SUBST(ARFLAGS)
AC_SUBST(COMPILE_LINK_ENVVAR)
# Determine the Makefile fragment
ICU_CHECK_MH_FRAG
# Checks for libraries and other host specific stuff
# On HP/UX, don't link to -lm from a shared lib because it isn't
# PIC (at least on 10.2)
case "${host}" in
*-*-hpux*) AC_CHECK_LIB(m, floor, LIB_M="-lm") ;;
*) AC_CHECK_LIB(m, floor)
LIB_M="" ;;
esac
AC_SUBST(LIB_M)
# Check whether to build shared libraries
AC_MSG_CHECKING([whether to build shared libraries])
enabled=no
AC_ARG_ENABLE(shared,
[ --enable-shared build shared libraries [default=yes]],
[ case "${enableval}" in
yes|"") enabled=yes; ENABLE_SHARED=YES ;;
no);;
*) ;;
esac],
[enabled=yes; ENABLE_SHARED=YES]
)
AC_MSG_RESULT($enabled)
AC_SUBST(ENABLE_SHARED)
# Check whether to build static libraries
AC_MSG_CHECKING([whether to build static libraries])
enabled=no
AC_ARG_ENABLE(static,
[ --enable-static build static libraries [default=no]],
[ case "${enableval}" in
yes|"") enabled=yes; ENABLE_STATIC=YES ;;
no) ;;
*) ;;
esac],
)
AC_MSG_RESULT($enabled)
AC_SUBST(ENABLE_STATIC)
# Check whether to build debug libraries
AC_MSG_CHECKING([whether to build debug libraries])
enabled=no
ENABLE_DEBUG=0
AC_ARG_ENABLE(debug,
[ --enable-debug build debug libraries [default=no]],
[ case "${enableval}" in
yes|"") enabled=yes; ENABLE_DEBUG=1 ;;
*) ;;
esac],
)
AC_MSG_RESULT($enabled)
AC_SUBST(ENABLE_DEBUG)
# Check whether to build release libraries
AC_MSG_CHECKING([whether to build release libraries])
enabled=yes
ENABLE_RELEASE=1
AC_ARG_ENABLE(release,
[ --enable-release build release libraries [default=yes]],
[ case "${enableval}" in
no) enabled=no; ENABLE_RELEASE=0 ;;
*) ;;
esac],
)
AC_MSG_RESULT($enabled)
AC_SUBST(ENABLE_RELEASE)
# Check whether to enabled draft APIs
AC_MSG_CHECKING([whether to enable draft APIs])
enabled=yes
U_DEFAULT_SHOW_DRAFT=1
AC_ARG_ENABLE(draft,
[ --enable-draft enable draft APIs [default=yes]],
[ case "${enableval}" in
no) enabled=no; U_DEFAULT_SHOW_DRAFT=0 ;;
*) ;;
esac],
)
AC_MSG_RESULT($enabled)
# Make sure that we can use draft API in ICU.
if test "$U_DEFAULT_SHOW_DRAFT" = 0; then
CPPFLAGS="$CPPFLAGS -DU_SHOW_DRAFT_API"
fi
AC_SUBST(U_DEFAULT_SHOW_DRAFT)
# Check if we can hide variables from
AC_MSG_CHECKING([for library API export])
SHAREDLIBEXPORT=no
U_USE_GCC_VISIBILITY_ATTRIBUTE=0
OLD_CFLAGS="${CFLAGS}"
OLD_CXXFLAGS="${CXXFLAGS}"
if test "$ac_cv_c_compiler_gnu" = yes; then
LIBCFLAGS="-fvisibility=hidden"
LIBCXXFLAGS="-fvisibility=hidden"
CFLAGS="${CFLAGS} ${LIBCFLAGS}"
CXXFLAGS="${CXXFLAGS} ${LIBCXXFLAGS}"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[__attribute__ ((visibility ("default"))) void f(void);
#include <stdlib.h>]], [[exit(0);]])],[SHAREDLIBEXPORT=yes],[SHAREDLIBEXPORT=no])
if test "$SHAREDLIBEXPORT" = no; then
LIBCFLAGS=
LIBCXXFLAGS=
else
U_USE_GCC_VISIBILITY_ATTRIBUTE=1
fi
else
case "${host}" in
*-*-solaris*)
LIBCFLAGS="-xldscope=hidden"
LIBCXXFLAGS="-xldscope=hidden"
CFLAGS="${CFLAGS} ${LIBCFLAGS}"
CXXFLAGS="${CXXFLAGS} ${LIBCXXFLAGS}"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[__global void f(void);
#include <stdlib.h>]], [[exit(0);]])],[SHAREDLIBEXPORT=yes],[SHAREDLIBEXPORT=no])
if test "$SHAREDLIBEXPORT" = no; then
LIBCFLAGS=
LIBCXXFLAGS=
fi
;;
*-*-hpux*)
# ICU isn't set up to follow the HP syntax yet.
;;
*)
esac
fi
# Restore to their original state because the Intel compiler chokes
# on this option when checking for the wchar_t size, but the
# option otherwise works.
CFLAGS="${OLD_CFLAGS}"
CXXFLAGS="${OLD_CXXFLAGS}"
AC_MSG_RESULT($SHAREDLIBEXPORT)
AC_SUBST(U_USE_GCC_VISIBILITY_ATTRIBUTE)
AC_SUBST(LIBCFLAGS)
AC_SUBST(LIBCXXFLAGS)
AC_PROG_RANLIB
AC_PATH_PROG(AR,ar,[echo archiver ar not found re-run configure ; false],$PATH:/bin:/usr/bin:/usr/ccs/bin)
AC_MSG_CHECKING([whether to enable renaming of symbols])
enabled=yes
U_DISABLE_RENAMING=0
AC_ARG_ENABLE(renaming,
[ --enable-renaming add a version suffix to symbols [default=yes]],
[ case "${enableval}" in
yes|"") enabled=yes ;;
no) enabled=no; U_DISABLE_RENAMING=1 ;;
*) ;;
esac],
)
AC_MSG_RESULT($enabled)
AC_SUBST(U_DISABLE_RENAMING)
AC_MSG_CHECKING([whether to enable function and data tracing])
enabled=yes
U_ENABLE_TRACING=0
AC_ARG_ENABLE(tracing,
[ --enable-tracing enable function and data tracing [default=no]],
[ case "${enableval}" in
yes|"") enabled=yes ;;
no) enabled=no; U_ENABLE_TRACING=0 ;;
*) ;;
esac],
)
AC_MSG_RESULT($enabled)
AC_SUBST(U_ENABLE_TRACING)
# Check whether to use the evil rpath or not
AC_ARG_ENABLE(rpath,
[ --enable-rpath use rpath when linking [default is only if necessary]],
[ case "${enableval}" in
yes|"") ENABLE_RPATH=YES ;;
no) ;;
*) ;;
esac],
[ENABLE_RPATH=NO]
)
AC_SUBST(ENABLE_RPATH)
# set up U_INLINE.
# Copy the definition of AC_C_INLINE, with slight mods.
#
AC_CACHE_CHECK([for definition of U_INLINE for C], ac_cv_c_inline,
[ac_cv_c_inline=no
for ac_kw in inline __inline__ __inline; do
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[return 0;} $ac_kw int foo() {]])],[ac_cv_c_inline=$ac_kw; break],[])
done
])
case "$ac_cv_c_inline" in
yes) U_INLINE= "inline" ;;
no ) U_INLINE= ;;
*) U_INLINE=$ac_cv_c_inline ;;
esac
AC_SUBST(U_INLINE)
# set up U_HAVE_STD_STRING.
# Copy the definition of AC_C_INLINE, with slight mods.
#
U_HAVE_STD_STRING=0
AC_LANG_PUSH([C++])
AC_MSG_CHECKING([[if #include <string> works]])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <string>]], [[]])], [ac_cv_header_stdstring=yes], [ac_cv_header_stdstring=no])
AC_MSG_RESULT($ac_cv_header_stdstring)
if test $ac_cv_header_stdstring = yes
then
U_HAVE_STD_STRING=1
fi
AC_SUBST(U_HAVE_STD_STRING)
AC_LANG_POP([C++])
threads=true
# Enable/disable threads
AC_ARG_ENABLE(threads,
[ --enable-threads build ICU with thread safety [default=yes]],
[case "${enableval}" in
yes) threads=true ;;
no) threads=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-threads) ;;
esac],
threads=true)
ICU_CONDITIONAL(THREADS, test "$threads" = true)
ICU_USE_THREADS=0
OLD_LIBS=${LIBS}
if test $threads = true; then
# For Compaq Tru64 (OSF1), we must look for pthread_attr_init
# and must do this before seaching for pthread_mutex_destroy, or
# we will pick up libpthreads.so not libpthread.so
# If this fails, then we must test for HPUX specials, before
# moving on to a more generic test
AC_CHECK_LIB(pthread, pthread_attr_init)
if test $ac_cv_lib_pthread_pthread_attr_init = yes; then
ICU_USE_THREADS=1
else
# Locate the right library for POSIX threads. We look for the
# symbols in the libraries first, because on Solaris libc provides
# pthread_create but libpthread has the real code :(
# AIX uses libpthreads instead of libpthread, and HP/UX uses libpthread
# FreeBSD users may need libpthread if they do not have libc_r.
AC_SEARCH_LIBS_FIRST(pthread_mutex_destroy, pthread pthreads c_r )
if test "$ac_cv_search_pthread_mutex_destroy" != no; then
ICU_USE_THREADS=1
else
# For HP 11
AC_CHECK_LIB(pthread, pthread_mutex_init)
if test $ac_cv_lib_pthread_pthread_mutex_init = yes; then
ICU_USE_THREADS=1
fi
fi
AC_CHECK_FUNC(pthread_mutex_lock)
if test $ac_cv_func_pthread_mutex_lock = yes; then
ICU_USE_THREADS=1
fi
fi
# Check to see if we are using CygWin with MSVC
case "${host}" in
*-pc-cygwin*|*-pc-mingw*)
# For gcc, the thread options are set by mh-mingw/mh-cygwin
ICU_USE_THREADS=1
if test "$ac_cv_c_compiler_gnu" = no; then
# We're using normal windows compilers. Threading is available.
ICU_USE_THREADS=1
if test $ENABLE_DEBUG = 1; then
# /MDd means 'compiles and links a debugable multithreaded program with DLL'
CFLAGS="${CFLAGS} /MDd"
CXXFLAGS="${CXXFLAGS} /MDd"
else
# /MD means 'compiles and links a multithreaded program with DLL'
CFLAGS="${CFLAGS} /MD"
CXXFLAGS="${CXXFLAGS} /MD"
fi
fi ;;
*-*-hpux*)
# Add -mt because it does several nice things on newer compilers.
case "${icu_cv_host_frag}" in
mh-hpux-acc)
OLD_CXXFLAGS="${CXXFLAGS}"
CXXFLAGS="${CXXFLAGS} -mt"
if test x"`${CXX} ${CXXFLAGS} 2>&1`" != x""; then
CXXFLAGS="${OLD_CXXFLAGS}"
fi
;;
esac
;;
esac
fi
AC_SUBST(ICU_USE_THREADS)
AC_ARG_ENABLE(weak-threads,
[ --enable-weak-threads weakly reference the threading library [default=no]],
[case "${enableval}" in
yes)
LIB_THREAD="${LIBS%${OLD_LIBS}}"
LIBS=${OLD_LIBS}
;;
no) ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-weak-threads) ;;
esac])
AC_SUBST(LIB_THREAD)
# Check for mmap()
# The AC_FUNC_MMAP macro doesn't work properly. It seems to be too specific.
# Do this check instead.
HAVE_MMAP=0
AC_MSG_CHECKING([for mmap])
AC_CACHE_VAL(ac_cv_func_mmap_ok,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <fcntl.h>], [mmap((void *)0, 0, PROT_READ, 0, 0, 0);])],[ac_cv_func_mmap_ok=yes],[ac_cv_func_mmap_ok=no])] )
AC_MSG_RESULT($ac_cv_func_mmap_ok)
if test $ac_cv_func_mmap_ok = yes
then
HAVE_MMAP=1
fi
AC_SUBST(HAVE_MMAP)
# Check to see if genccode can generate simple assembly.
GENCCODE_ASSEMBLY=
case "${host}" in
i*86-*-linux*|x86_64-*-linux*|powerpc*-*-linux*|i*86-*-*bsd*|i*86-pc-gnu)
if test "$GCC" = yes; then
# We're using gcc, and the simple -a gcc command line works for genccode
GENCCODE_ASSEMBLY="-a gcc"
fi ;;
i*86-*-solaris*)
if test "$GCC" = yes; then
# When using gcc, look if we're also using GNU as.
# When using GNU as, the simple -a gcc command line works for genccode.
asv=`"${CC}" -print-prog-name=as 2>/dev/null`
asv=`"${asv}" --version 2>/dev/null`
case "X${asv}" in
X*GNU*) GENCCODE_ASSEMBLY="-a gcc" ;;
X*) GENCCODE_ASSEMBLY="-a sun-x86" ;;
esac
unset asv
else
GENCCODE_ASSEMBLY="-a sun-x86"
fi ;;
sparc-*-solaris*)
GENCCODE_ASSEMBLY="-a sun"
;;
ia64-*-hpux*)
GENCCODE_ASSEMBLY="-a aCC-ia64"
;;
esac
AC_SUBST(GENCCODE_ASSEMBLY)
# Checks for header files
AC_CHECK_HEADERS(inttypes.h)
if test $ac_cv_header_inttypes_h = no; then
U_HAVE_INTTYPES_H=0
else
U_HAVE_INTTYPES_H=1
fi
if test "$CC" = ccc; then
AC_MSG_RESULT("C compiler set to CCC ${CC}" )
case "${host}" in
alpha*-*-*) U_HAVE_INTTYPES_H=0;
esac
fi
AC_SUBST(U_HAVE_INTTYPES_H)
AC_CHECK_HEADERS(dirent.h)
if test $ac_cv_header_dirent_h = no; then
U_HAVE_DIRENT_H=0
else
U_HAVE_DIRENT_H=1
fi
AC_SUBST(U_HAVE_DIRENT_H)
AC_ARG_WITH(iostream,
[ --with-iostream=version specify the version of iostream to use (none, old, std, auto) [default=auto]],
[case "${withval}" in
none) streams=none ;;
old) streams=198506 ;;
std) streams=199711 ;;
auto) streams= ;;
*) AC_MSG_ERROR(bad value ${withval} for --with-iostream) ;;
esac],
[streams=])
U_IOSTREAM_SOURCE=0
if test x$streams != xnone
then
AC_LANG_PUSH(C++)
OLD_CXXFLAGS="${CXXFLAGS}"
case "${icu_cv_host_frag}" in
mh-hpux-acc)
CXXFLAGS="${CXXFLAGS} -AA"
;;
esac
AC_MSG_CHECKING([for iostream usability])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <iostream>]], [[]])],[ac_cv_header_iostream=yes],[ac_cv_header_iostream=no])
if test $icu_cv_host_frag = mh-cygwin-msvc
then
# <iostream> is always there on Windows.
# We do this to prevent the C++ preprocessor from being used because
# autoconf can't deal with the Windows C++ preprocessor
ac_cv_header_iostream=yes
fi
AC_MSG_RESULT($ac_cv_header_iostream)
if test $ac_cv_header_iostream = yes
then
U_IOSTREAM_SOURCE=199711
else
CXXFLAGS="${OLD_CXXFLAGS}"
AC_MSG_CHECKING([whether ostream in iostream.h is really defined])
AC_CACHE_VAL(ac_cv_iostream_ok,
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <iostream.h>]], [[ostream &testout = cout; testout << "test" << endl;]])],[ac_cv_iostream_ok=yes],[ac_cv_iostream_ok=no]))
AC_MSG_RESULT($ac_cv_iostream_ok)
if test $ac_cv_iostream_ok = yes
then
U_IOSTREAM_SOURCE=198506
fi
fi
if test x$streams != x
then
if test $U_IOSTREAM_SOURCE -ge $streams
then
U_IOSTREAM_SOURCE=$streams
case "${icu_cv_host_frag}" in
mh-hpux-acc)
if test $U_IOSTREAM_SOURCE -lt 199711; then
CXXFLAGS=${OLD_CXXFLAGS}
fi
;;
esac
else
AC_MSG_ERROR(${withval} iostream is not available)
fi
fi
fi
AC_SUBST(U_IOSTREAM_SOURCE)
AC_LANG_POP
# Check for endianness
AC_C_BIGENDIAN()
if test $ac_cv_c_bigendian = no; then
U_IS_BIG_ENDIAN=0
U_ENDIAN_CHAR="l"
else
U_IS_BIG_ENDIAN=1
U_ENDIAN_CHAR="b"
fi
AC_SUBST(U_IS_BIG_ENDIAN)
# Do various POSIX related checks
U_HAVE_NL_LANGINFO_CODESET=0
U_NL_LANGINFO_CODESET=-1
AC_CHECK_FUNC(nl_langinfo,[U_HAVE_NL_LANGINFO=1],[U_HAVE_NL_LANGINFO=0])
dnl AC_SUBST(U_HAVE_NL_LANGINFO)
if test $U_HAVE_NL_LANGINFO -eq 1; then
AC_CACHE_CHECK([for nl_langinfo's argument to obtain the codeset],
ac_cv_nl_langinfo_codeset,
[ac_cv_nl_langinfo_codeset="unknown"
for a in CODESET _NL_CTYPE_CODESET_NAME; do
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]], [[nl_langinfo($a);]])],[ac_cv_nl_langinfo_codeset="$a"; break],[])]
done)
if test x$ac_cv_nl_langinfo_codeset != xunknown
then
U_HAVE_NL_LANGINFO_CODESET=1
U_NL_LANGINFO_CODESET=$ac_cv_nl_langinfo_codeset
fi
fi
AC_SUBST(U_HAVE_NL_LANGINFO_CODESET)
AC_SUBST(U_NL_LANGINFO_CODESET)
# Namespace support checks
AC_LANG(C++)
AC_MSG_CHECKING([for namespace support])
AC_CACHE_VAL(ac_cv_namespace_ok,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([namespace x_version {void f(){}}
namespace x = x_version;
using namespace x_version;
], [f();])],[ac_cv_namespace_ok=yes],[ac_cv_namespace_ok=no])] )
AC_MSG_RESULT($ac_cv_namespace_ok)
U_HAVE_NAMESPACE=1
if test $ac_cv_namespace_ok = no
then
U_HAVE_NAMESPACE=0
fi
AC_SUBST(U_HAVE_NAMESPACE)
AC_MSG_CHECKING([for properly overriding new and delete])
U_OVERRIDE_CXX_ALLOCATION=0
U_HAVE_PLACEMENT_NEW=0
AC_CACHE_VAL(ac_cv_override_cxx_allocation_ok,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
class UMemory {
public:
void *operator new(size_t size) {return malloc(size);}
void *operator new[](size_t size) {return malloc(size);}
void operator delete(void *p) {free(p);}
void operator delete[](void *p) {free(p);}
};
]], [])],[ac_cv_override_cxx_allocation_ok=yes],[ac_cv_override_cxx_allocation_ok=no])] )
AC_MSG_RESULT($ac_cv_override_cxx_allocation_ok)
if test $ac_cv_override_cxx_allocation_ok = yes
then
U_OVERRIDE_CXX_ALLOCATION=1
AC_MSG_CHECKING([for placement new and delete])
AC_CACHE_VAL(ac_cv_override_placement_new_ok,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
class UMemory {
public:
void *operator new(size_t size) {return malloc(size);}
void *operator new[](size_t size) {return malloc(size);}
void operator delete(void *p) {free(p);}
void operator delete[](void *p) {free(p);}
void * operator new(size_t, void *ptr) { return ptr; }
void operator delete(void *, void *) {}
};
]], [])],[ac_cv_override_placement_new_ok=yes],[ac_cv_override_placement_new_ok=no])] )
AC_MSG_RESULT($ac_cv_override_placement_new_ok)
if test $ac_cv_override_placement_new_ok = yes
then
U_HAVE_PLACEMENT_NEW=1
fi
fi
AC_SUBST(U_OVERRIDE_CXX_ALLOCATION)
AC_SUBST(U_HAVE_PLACEMENT_NEW)
AC_LANG(C)
AC_CHECK_FUNC(popen)
if test x$ac_cv_func_popen = xyes
then
U_HAVE_POPEN=1
else
U_HAVE_POPEN=0
fi
AC_SUBST(U_HAVE_POPEN)
AC_CHECK_FUNC(tzset)
U_HAVE_TZSET=0
if test x$ac_cv_func_tzset = xyes
then
U_TZSET=tzset
U_HAVE_TZSET=1
else
AC_CHECK_FUNC(_tzset)
if test x$ac_cv_func__tzset = xyes
then
U_TZSET=_tzset
U_HAVE_TZSET=1
fi
fi
AC_SUBST(U_HAVE_TZSET)
AC_SUBST(U_TZSET)
U_HAVE_TZNAME=0
AC_CACHE_CHECK(for tzname,ac_cv_var_tzname,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#ifndef __USE_POSIX
#define __USE_POSIX
#endif
#include <stdlib.h>
#include <time.h>
#ifndef tzname /* For SGI. */
extern char *tzname[]; /* RS6000 and others reject char **tzname. */
#endif]], [atoi(*tzname);])],[ac_cv_var_tzname=yes],[ac_cv_var_tzname=no])])
if test $ac_cv_var_tzname = yes; then
U_TZNAME=tzname
U_HAVE_TZNAME=1
else
AC_CACHE_CHECK(for _tzname,ac_cv_var__tzname,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
#include <time.h>
extern char *_tzname[];]], [atoi(*_tzname);])],[ac_cv_var__tzname=yes],[ac_cv_var__tzname=no])])
if test $ac_cv_var__tzname = yes; then
U_TZNAME=_tzname
U_HAVE_TZNAME=1
fi
fi
AC_SUBST(U_HAVE_TZNAME)
AC_SUBST(U_TZNAME)
AC_CACHE_CHECK(for timezone,ac_cv_var_timezone,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([#ifndef __USE_POSIX
#define __USE_POSIX
#endif
#ifndef __USE_XOPEN
#define __USE_XOPEN
#endif
#include <time.h>
], [[timezone = 1;]])],[ac_cv_var_timezone=yes],[ac_cv_var_timezone=no])])
U_HAVE_TIMEZONE=0
if test $ac_cv_var_timezone = yes; then
U_TIMEZONE=timezone
U_HAVE_TIMEZONE=1
else
AC_CACHE_CHECK(for __timezone,ac_cv_var___timezone,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[__timezone = 1;]])],[ac_cv_var___timezone=yes],[ac_cv_var___timezone=no])])
if test $ac_cv_var___timezone = yes; then
U_TIMEZONE=__timezone
U_HAVE_TIMEZONE=1
else
AC_CACHE_CHECK(for _timezone,ac_cv_var__timezone,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[_timezone = 1;]])],[ac_cv_var__timezone=yes],[ac_cv_var__timezone=no])])
if test $ac_cv_var__timezone = yes; then
U_TIMEZONE=_timezone
U_HAVE_TIMEZONE=1
fi
fi
fi
AC_SUBST(U_HAVE_TIMEZONE)
AC_SUBST(U_TIMEZONE)
# Checks for typedefs
AC_CHECK_TYPE(int8_t,signed char)
AC_CHECK_TYPE(uint8_t,unsigned char)
AC_CHECK_TYPE(int16_t,signed short)
AC_CHECK_TYPE(uint16_t,unsigned short)
AC_CHECK_TYPE(int32_t,signed long)
AC_CHECK_TYPE(uint32_t,unsigned long)
AC_CHECK_TYPE(int64_t,signed long long)
AC_CHECK_TYPE(uint64_t,unsigned long long)
if test $ac_cv_type_int8_t = no; then
HAVE_INT8_T=0
else
HAVE_INT8_T=1
fi
AC_SUBST(HAVE_INT8_T)
if test $ac_cv_type_uint8_t = no; then
HAVE_UINT8_T=0
else
HAVE_UINT8_T=1
fi
AC_SUBST(HAVE_UINT8_T)
if test $ac_cv_type_int16_t = no; then
HAVE_INT16_T=0
else
HAVE_INT16_T=1
fi
AC_SUBST(HAVE_INT16_T)
if test $ac_cv_type_uint16_t = no; then
HAVE_UINT16_T=0
else
HAVE_UINT16_T=1
fi
AC_SUBST(HAVE_UINT16_T)
if test $ac_cv_type_int32_t = no; then
HAVE_INT32_T=0
else
HAVE_INT32_T=1
fi
AC_SUBST(HAVE_INT32_T)
if test $ac_cv_type_uint32_t = no; then
HAVE_UINT32_T=0
else
HAVE_UINT32_T=1
fi
AC_SUBST(HAVE_UINT32_T)
if test $ac_cv_type_int64_t = no; then
HAVE_INT64_T=0
else
HAVE_INT64_T=1
fi
AC_SUBST(HAVE_INT64_T)
if test $ac_cv_type_uint64_t = no; then
HAVE_UINT64_T=0
else
HAVE_UINT64_T=1
fi
AC_SUBST(HAVE_UINT64_T)
# Do various wchar_t related checks
AC_CHECK_HEADER(wchar.h)
if test "$ac_cv_header_wchar_h" = no
then
U_HAVE_WCHAR_H=0
U_HAVE_WCSCPY=0
else
AC_DEFINE(HAVE_WCHAR_H)
U_HAVE_WCHAR_H=1
# Some broken systems have wchar.h but not some of its functions...
AC_SEARCH_LIBS(wcscpy, wcs w)
if test "$ac_cv_search_wcscpy" != no; then
U_HAVE_WCSCPY=1
else
U_HAVE_WCSCPY=0
fi
fi
AC_SUBST(U_HAVE_WCHAR_H)
AC_SUBST(U_HAVE_WCSCPY)
AC_CHECK_SIZEOF([wchar_t], 0, [
#if STDC_HEADERS
#include <stddef.h>
#endif
#include <stdlib.h>
#if HAVE_WCHAR_H
#include <string.h>
#include <wchar.h>
#endif])
U_SIZEOF_WCHAR_T=$ac_cv_sizeof_wchar_t
# We do this check to verify that everything is okay.
if test $U_SIZEOF_WCHAR_T = 0; then
if test $U_HAVE_WCHAR_H=1; then
AC_MSG_ERROR(There is wchar.h but the size of wchar_t is 0)
fi
fi
AC_SUBST(U_SIZEOF_WCHAR_T)
AC_MSG_CHECKING([for UTF-16 string literal support])
U_CHECK_UTF16_STRING=1
CHECK_UTF16_STRING_RESULT="unknown"
case "${host}" in
*-*-aix*|powerpc64-*-linux*)
if test "$ac_cv_c_compiler_gnu" = no; then
OLD_CFLAGS="${CFLAGS}"
OLD_CXXFLAGS="${CXXFLAGS}"
CFLAGS="${CFLAGS} -qutf"
CXXFLAGS="${CXXFLAGS} -qutf"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[const unsigned short hello[] = u"hello";]], [[]])],[U_CHECK_UTF16_STRING=1],[U_CHECK_UTF16_STRING=0])
if test "$U_CHECK_UTF16_STRING" = 0; then
CFLAGS="${OLD_CFLAGS}"
CXXFLAGS="${OLD_CXXFLAGS}"
else
CHECK_UTF16_STRING_RESULT="-qutf"
fi
fi
;;
*-*-solaris*)
if test "$ac_cv_c_compiler_gnu" = no; then
OLD_CFLAGS="${CFLAGS}"
OLD_CXXFLAGS="${CXXFLAGS}"
CFLAGS="${CFLAGS} -xustr=ascii_utf16_ushort"
CXXFLAGS="${CXXFLAGS} -xustr=ascii_utf16_ushort"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[const unsigned short hello[] = U"hello";]], [[]])],[U_CHECK_UTF16_STRING=1],[U_CHECK_UTF16_STRING=0])
if test "$U_CHECK_UTF16_STRING" = 0; then
CFLAGS="${OLD_CFLAGS}"
CXXFLAGS="${OLD_CXXFLAGS}"
else
CHECK_UTF16_STRING_RESULT="-xustr=ascii_utf16_ushort"
# Since we can't detect the availability of this UTF-16 syntax at compile time,
# we depend on configure telling us that we can use it.
# Since we can't ensure ICU users use -xustr=ascii_utf16_ushort,
# we only use this macro within ICU.
# If an ICU user uses icu-config, this feature will be enabled.
CPPFLAGS="${CPPFLAGS} -DU_CHECK_UTF16_STRING=1"
U_CHECK_UTF16_STRING=0
fi
fi
;;
*-*-hpux*)
if test "$ac_cv_c_compiler_gnu" = no; then
# The option will be detected at compile time without additional compiler options.
CHECK_UTF16_STRING_RESULT="available"
fi
;;
*-*-cygwin)
# wchar_t can be used
CHECK_UTF16_STRING_RESULT="available"
;;
*)
;;
esac
AC_MSG_RESULT($CHECK_UTF16_STRING_RESULT)
AC_SUBST(U_CHECK_UTF16_STRING)
# Enable/disable extras
AC_ARG_ENABLE(extras,
[ --enable-extras build ICU extras [default=yes]],
[case "${enableval}" in
yes) extras=true ;;
no) extras=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-extras) ;;
esac],
extras=true)
ICU_CONDITIONAL(EXTRAS, test "$extras" = true)
AC_ARG_ENABLE(icuio,
[ --enable-icuio build ICU's icuio library [default=yes]],
[case "${enableval}" in
yes) icuio=true ;;
no) icuio=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-icuio) ;;
esac],
icuio=true)
ICU_CONDITIONAL(ICUIO, test "$icuio" = true)
# Enable/disable layout
AC_ARG_ENABLE(layout,
[ --enable-layout build ICU's layout library [default=yes]],
[case "${enableval}" in
yes) layout=true ;;
no) layout=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-layout) ;;
esac],
layout=true)
ICU_CONDITIONAL(LAYOUT, test "$layout" = true)
AC_ARG_WITH(data-packaging,
[ --with-data-packaging=type specify how to package ICU data (files, archive, library, auto) [default=auto]],
[case "${withval}" in
files|archive|library) datapackaging=$withval ;;
auto) datapackaging=$withval ;;
common) datapackaging=archive ;;
dll) datapackaging=library ;;
static) datapackaging=static ;;
*) AC_MSG_ERROR(bad value ${withval} for --with-data-packaging) ;;
esac],
[datapackaging=])
# Note: 'thesysconfdir' is an evaluated version, for Man pages, so also for thedatadir, thelibdir, etc..
# thesysconfdir=`eval echo $sysconfdir`
dnl# AC_SUBST(thesysconfdir)
dnl# thelibdir=`test "x$exec_prefix" = xNONE && exec_prefix="$prefix"; eval echo $libdir`
dnl# AC_SUBST(thelibdir)
thedatadir=`eval echo $datadir`
dnl# AC_SUBST(thedatadir)
# Always put raw data files in share/icu/{version}, etc. Never use lib/icu/{version} for data files.. Actual shared libraries will go in {libdir}.
pkgicudatadir=$datadir
thepkgicudatadir=$thedatadir
AC_SUBST(pkgicudatadir)
AC_SUBST(thepkgicudatadir)
dnl# Shouldn't need the AC_SUBST
if test x"$datapackaging" = x -o x"$datapackaging" = xauto; then
datapackaging=library
fi
datapackaging_dir=`eval echo $thedatadir`"/icu/${VERSION}"
datapackaging_msg="(No explaination for mode $datapackaging.)"
datapackaging_msg_path="ICU will look in $datapackaging_dir which is the installation location. Call u_setDataDirectory() or use the ICU_DATA environment variable to override."
datapackaging_msg_set="ICU will use the linked data library. If linked with the stub library located in stubdata/, the application can use udata_setCommonData() or set a data path to override."
datapackaging_howfound="(unknown)"
case "$datapackaging" in
files)
DATA_PACKAGING_MODE=files
datapackaging_msg="ICU data will be stored in individual files."
datapackaging_howfound="$datapackaging_msg_path"
;;
archive)
DATA_PACKAGING_MODE=common
datapackaging_msg="ICU data will be stored in a single .dat file."
datapackaging_howfound="$datapackaging_msg_path"
;;
library)
DATA_PACKAGING_MODE=dll
datapackaging_msg="ICU data will be linked with ICU."
if test "$ENABLE_STATIC" = "YES"; then
datapackaging_msg="$datapackaging_msg A static data library will be built. "
fi
if test "$ENABLE_SHARED" = "YES"; then
datapackaging_msg="$datapackaging_msg A shared data library will be built. "
fi
datapackaging_howfound="$datapackaging_msg_set"
;;
# static)
# DATA_PACKAGING_MODE=static
# ;;
esac
AC_SUBST(DATA_PACKAGING_MODE)
# Sets a library suffix
AC_MSG_CHECKING([for a library suffix to use])
AC_ARG_WITH(library-suffix,
[ --with-library-suffix=suffix tag a suffix to the library names [default=]],
[ICULIBSUFFIX="${withval}"],
[ICULIBSUFFIX=])
msg=$ICULIBSUFFIX
if test "$msg" = ""; then
msg=none
fi
AC_MSG_RESULT($msg)
AC_SUBST(ICULIBSUFFIX)
if test "$ICULIBSUFFIX" != ""
then
U_HAVE_LIB_SUFFIX=1
ICULIBSUFFIXCNAME=`echo _$ICULIBSUFFIX | sed 's/[^A-Za-z0-9_]/_/g'`
else
U_HAVE_LIB_SUFFIX=0
fi
AC_SUBST(U_HAVE_LIB_SUFFIX)
AC_SUBST(ICULIBSUFFIXCNAME)
# Enable/disable tests
AC_ARG_ENABLE(tests,
[ --enable-tests build ICU tests [default=yes]],
[case "${enableval}" in
yes) tests=true ;;
no) tests=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-tests) ;;
esac],
tests=true)
ICU_CONDITIONAL(TESTS, test "$tests" = true)
# Enable/disable samples
AC_ARG_ENABLE(samples,
[ --enable-samples build ICU samples [default=yes]
Additionally, the variable FORCE_LIBS may be set before calling configure.
If set, it will REPLACE any automatic list of libraries.],
[case "${enableval}" in
yes) samples=true ;;
no) samples=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-samples) ;;
esac],
samples=true)
ICU_CONDITIONAL(SAMPLES, test "$samples" = true)
ICUDATA_CHAR=$U_ENDIAN_CHAR
# Platform-specific Makefile setup
# set ICUDATA_CHAR to 'e' for any EBCDIC (which should be big endian) platform.
case "${host}" in
*-*-solaris*) platform=U_SOLARIS ;;
*-*-linux*) platform=U_LINUX ;;
*-pc-gnu) platform=U_HURD ;;
*-*-*bsd*|*-*-dragonfly*) platform=U_BSD ;;
*-*-aix*) platform=U_AIX ;;
*-*-hpux*) platform=U_HPUX ;;
*-apple-darwin*|*-apple-rhapsody*) platform=U_DARWIN ;;
*-*-cygwin*|*-*-mingw*) platform=U_CYGWIN ;;
*-*ibm-openedition*|*-*-os390*) platform=OS390
if test "${ICU_ENABLE_ASCII_STRINGS}" != "1"; then
ICUDATA_CHAR="e"
fi ;;
*-*-os400*) platform=OS400
if test "${ICU_ENABLE_ASCII_STRINGS}" != "1"; then
ICUDATA_CHAR="e"
fi ;;
*-*-nto*) platform=U_QNX ;;
*-dec-osf*) platform=U_OSF ;;
*-*-beos) platform=U_BEOS ;;
*-*-irix*) platform=U_IRIX ;;
*-ncr-*) platform=U_MPRAS ;;
*) platform=U_UNKNOWN_PLATFORM ;;
esac
AC_SUBST(ICUDATA_CHAR)
AC_SUBST(platform)
platform_make_fragment_name="$icu_cv_host_frag"
platform_make_fragment='$(top_srcdir)/config/'"$platform_make_fragment_name"
AC_SUBST(platform_make_fragment_name)
AC_SUBST(platform_make_fragment)
if test "${FORCE_LIBS}" != ""; then
echo " *** Overriding automatically chosen [LIBS=$LIBS], using instead [FORCE_LIBS=${FORCE_LIBS}]" 1>&6
LIBS=${FORCE_LIBS}
fi
# Now that we're done using CPPFLAGS etc. for tests, we can change it
# for build.
if test $ICU_USE_THREADS -ne 0
then
CPPFLAGS="$CPPFLAGS \$(THREADSCPPFLAGS)"
CFLAGS="$CFLAGS \$(THREADSCFLAGS)"
CXXFLAGS="$CXXFLAGS \$(THREADSCXXFLAGS)"
fi
# output the Makefiles
AC_CONFIG_FILES([icudefs.mk \
Makefile \
data/pkgdataMakefile \
config/Makefile.inc \
config/pkgdataMakefile \
data/Makefile \
stubdata/Makefile \
common/Makefile \
i18n/Makefile \
layout/Makefile \
layoutex/Makefile \
io/Makefile \
extra/Makefile \
extra/uconv/Makefile \
extra/uconv/pkgdataMakefile \
extra/scrptrun/Makefile \
tools/Makefile \
tools/ctestfw/Makefile \
tools/toolutil/Makefile \
tools/makeconv/Makefile \
tools/genrb/Makefile \
tools/genuca/Makefile \
tools/genccode/Makefile \
tools/gencmn/Makefile \
tools/gencnval/Makefile \
tools/genctd/Makefile \
tools/gennames/Makefile \
tools/gentest/Makefile \
tools/gennorm/Makefile \
tools/genprops/Makefile \
tools/gencase/Makefile \
tools/genbidi/Makefile \
tools/genpname/Makefile \
tools/genbrk/Makefile \
tools/gensprep/Makefile \
tools/icupkg/Makefile \
tools/icuswap/Makefile \
tools/pkgdata/Makefile \
tools/tzcode/Makefile \
test/Makefile \
test/compat/Makefile \
test/testdata/Makefile \
test/testdata/pkgdataMakefile \
test/hdrtst/Makefile \
test/intltest/Makefile \
test/cintltst/Makefile \
test/iotest/Makefile \
test/letest/Makefile \
test/perf/Makefile \
test/perf/collationperf/Makefile \
test/perf/ubrkperf/Makefile \
test/perf/charperf/Makefile \
test/perf/convperf/Makefile \
test/perf/normperf/Makefile \
test/perf/strsrchperf/Makefile \
test/perf/unisetperf/Makefile \
test/perf/usetperf/Makefile \
test/perf/ustrperf/Makefile \
test/perf/utfperf/Makefile \
test/perf/utrie2perf/Makefile \
samples/Makefile samples/date/Makefile \
samples/cal/Makefile samples/layout/Makefile \
common/unicode/platform.h])
AC_OUTPUT
echo
echo "ICU for C/C++ $VERSION is ready to be built."
echo "=== Important Notes: ==="
if test $ICU_USE_THREADS = 0; then
echo
echo "** ICU was configured without mutex or thread support. Multithread-safe operation will not be tested. If this is unexpected, then run configure with --enable-threads=yes or check the messages [above] to see why thread support was not found." 1>&6
echo
fi
echo "Data Packaging: $datapackaging"
echo " This means: $datapackaging_msg"
echo " To locate data: $datapackaging_howfound"
if test -n "`$U_MAKE -v 2>&1 | grep '^GNU Make'`"; then
echo "Building ICU: Use a GNU make such as $U_MAKE to build ICU."
else
echo "** WARNING: $U_MAKE may not be GNU make."
echo "This may cause ICU to fail to build. Please make sure that GNU make"
echo "is in your PATH so that the configure script can detect its location."
fi
AC_MSG_CHECKING([the version of "$U_MAKE"])
if "$U_MAKE" -f "$srcdir/config/gmakever.mk"; then
AC_MSG_RESULT([ok])
else
AC_MSG_RESULT([too old or test failed - try upgrading GNU Make])
fi
$as_unset _CXX_CXXSUFFIX