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freebsd-dev/contrib/expat/configure.ac
Xin LI 7ed8e142a0 MFV 45916e7c91: libbsdxml (expat) 2.4.7 
Update contrib/expat from 2.4.6 to 2.4.7.

MFC after:	2 weeks
Relnotes:	yes
2022-03-27 22:22:07 -07:00

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dnl configuration script for expat
dnl Process this file with autoconf to produce a configure script.
dnl __ __ _
dnl ___\ \/ /_ __ __ _| |_
dnl / _ \\ /| '_ \ / _` | __|
dnl | __// \| |_) | (_| | |_
dnl \___/_/\_\ .__/ \__,_|\__|
dnl |_| XML parser
dnl
dnl Copyright (c) 2000 Clark Cooper <coopercc@users.sourceforge.net>
dnl Copyright (c) 2000-2005 Fred L. Drake, Jr. <fdrake@users.sourceforge.net>
dnl Copyright (c) 2001-2003 Greg Stein <gstein@users.sourceforge.net>
dnl Copyright (c) 2006-2012 Karl Waclawek <karl@waclawek.net>
dnl Copyright (c) 2016-2022 Sebastian Pipping <sebastian@pipping.org>
dnl Copyright (c) 2017 S. P. Zeidler <spz@netbsd.org>
dnl Copyright (c) 2017 Stephen Groat <stephen@groat.us>
dnl Copyright (c) 2017-2020 Joe Orton <jorton@redhat.com>
dnl Copyright (c) 2018 Yury Gribov <tetra2005@gmail.com>
dnl Copyright (c) 2018 Benjamin Peterson <benjamin@python.org>
dnl Copyright (c) 2018 Marco Maggi <marco.maggi-ipsu@poste.it>
dnl Copyright (c) 2018 KangLin <kl222@126.com>
dnl Copyright (c) 2019 Mohammed Khajapasha <mohammed.khajapasha@intel.com>
dnl Copyright (c) 2019 Kishore Kunche <kishore.kunche@intel.com>
dnl Copyright (c) 2020 Jeffrey Walton <noloader@gmail.com>
dnl Licensed under the MIT license:
dnl
dnl Permission is hereby granted, free of charge, to any person obtaining
dnl a copy of this software and associated documentation files (the
dnl "Software"), to deal in the Software without restriction, including
dnl without limitation the rights to use, copy, modify, merge, publish,
dnl distribute, sublicense, and/or sell copies of the Software, and to permit
dnl persons to whom the Software is furnished to do so, subject to the
dnl following conditions:
dnl
dnl The above copyright notice and this permission notice shall be included
dnl in all copies or substantial portions of the Software.
dnl
dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
dnl EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
dnl NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
dnl USE OR OTHER DEALINGS IN THE SOFTWARE.
dnl Ensure that Expat is configured with autoconf 2.69 or newer.
AC_PREREQ([2.69])
dnl Get the version number of Expat, using m4's esyscmd() command to run
dnl the command at m4-generation time. This allows us to create an m4
dnl symbol holding the correct version number. AC_INIT requires the
dnl version number at m4-time, rather than when ./configure is run, so
dnl all this must happen as part of m4, not as part of the shell code
dnl contained in ./configure.
dnl
dnl NOTE: esyscmd() is a GNU M4 extension. Thus, we wrap it in an appropriate
dnl test. I believe this test will work, but I don't have a place with non-
dnl GNU M4 to test it right now.
m4_define([expat_version],
m4_ifdef([__gnu__],
[esyscmd(conftools/get-version.sh lib/expat.h)],
[2.2.x]))
AC_INIT([expat], expat_version, [expat-bugs@libexpat.org])
m4_undefine([expat_version])
AC_CONFIG_SRCDIR([Makefile.in])
AC_CONFIG_AUX_DIR([conftools])
AC_CONFIG_MACRO_DIR([m4])
AC_CANONICAL_HOST
AM_INIT_AUTOMAKE
dnl
dnl Increment LIBREVISION if source code has changed at all
dnl
dnl If the API has changed, increment LIBCURRENT and set LIBREVISION to 0
dnl
dnl If the API changes compatibly (i.e. simply adding a new function
dnl without changing or removing earlier interfaces), then increment LIBAGE.
dnl
dnl If the API changes incompatibly set LIBAGE back to 0
dnl
LIBCURRENT=9 # sync
LIBREVISION=7 # with
LIBAGE=8 # CMakeLists.txt!
AC_CONFIG_HEADERS([expat_config.h])
AM_PROG_AR
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
LT_PREREQ([2.4])
LT_INIT([win32-dll])
AC_SUBST(LIBCURRENT)
AC_SUBST(LIBREVISION)
AC_SUBST(LIBAGE)
AC_LANG([C])
AC_PROG_CC_C99
AS_IF([test "$GCC" = yes],
[AX_APPEND_COMPILE_FLAGS([-Wall -Wextra], [AM_CFLAGS])
dnl Be careful about adding the -fexceptions option; some versions of
dnl GCC don't support it and it causes extra warnings that are only
dnl distracting; avoid.
AX_APPEND_COMPILE_FLAGS([-fexceptions], [AM_CFLAGS])
AX_APPEND_COMPILE_FLAGS([-fno-strict-aliasing -Wmissing-prototypes -Wstrict-prototypes], [AM_CFLAGS])
AX_APPEND_COMPILE_FLAGS([-pedantic -Wduplicated-cond -Wduplicated-branches -Wlogical-op], [AM_CFLAGS])
AX_APPEND_COMPILE_FLAGS([-Wrestrict -Wnull-dereference -Wjump-misses-init -Wdouble-promotion], [AM_CFLAGS])
AX_APPEND_COMPILE_FLAGS([-Wshadow -Wformat=2 -Wno-pedantic-ms-format -Wmisleading-indentation], [AM_CFLAGS])])
AC_LANG_PUSH([C++])
AC_PROG_CXX
AS_IF([test "$GCC" = yes],
[AX_APPEND_COMPILE_FLAGS([-Wall -Wextra], [AM_CXXFLAGS])
dnl Be careful about adding the -fexceptions option; some versions of
dnl GCC don't support it and it causes extra warnings that are only
dnl distracting; avoid.
AX_APPEND_COMPILE_FLAGS([-fexceptions], [AM_CXXFLAGS])
AX_APPEND_COMPILE_FLAGS([-fno-strict-aliasing], [AM_CXXFLAGS])])
AC_LANG_POP([C++])
AS_IF([test "$GCC" = yes],
[AX_APPEND_LINK_FLAGS([-fno-strict-aliasing],[AM_LDFLAGS])])
dnl patching ${archive_cmds} to affect generation of file "libtool" to fix linking with clang (issue #312)
AS_CASE(["$LD"],[*clang*],
[AS_CASE(["${host_os}"],
[*linux*],[archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'])])
EXPATCFG_COMPILER_SUPPORTS_VISIBILITY([
AX_APPEND_FLAG([-fvisibility=hidden], [AM_CFLAGS])
AX_APPEND_FLAG([-DXML_ENABLE_VISIBILITY=1], [AM_CPPFLAGS])])
dnl Checks for typedefs, structures, and compiler characteristics.
dnl We define BYTEORDER to 1234 when the platform is little endian; it
dnl defines it to 4321 when the platform is big endian. We also define
dnl WORDS_BIGENDIAN to 1 when the platform is big endian.
dnl
dnl A long time ago (early 2000 years) AC_C_BIGENDIAN was considered
dnl wrong when cross compiling, now (2018, GNU Autoconf 2.69) we assume
dnl it is fine.
AC_C_BIGENDIAN([AC_DEFINE([WORDS_BIGENDIAN], 1)
AS_VAR_SET([BYTEORDER], 4321)],
[AS_VAR_SET([BYTEORDER], 1234)])
AC_DEFINE_UNQUOTED([BYTEORDER], $BYTEORDER, [1234 = LILENDIAN, 4321 = BIGENDIAN])
AC_C_CONST
AC_TYPE_SIZE_T
AC_ARG_WITH([xmlwf],
[AS_HELP_STRING([--without-xmlwf], [do not build xmlwf])],
[],
[with_xmlwf=yes])
AM_CONDITIONAL([WITH_XMLWF], [test x${with_xmlwf} = xyes])
AC_ARG_WITH([examples],
[AS_HELP_STRING([--without-examples], [do not build examples @<:@default=included@:>@])],
[],
[with_examples=yes])
AM_CONDITIONAL([WITH_EXAMPLES], [test x${with_examples} = xyes])
AC_ARG_WITH([tests],
[AS_HELP_STRING([--without-tests], [do not build tests @<:@default=included@:>@])],
[],
[with_tests=yes])
AM_CONDITIONAL([WITH_TESTS], [test x${with_tests} = xyes])
AS_VAR_SET([EXPATCFG_ON_MINGW],[no])
AS_CASE("${host_os}",
[mingw*],
[AS_VAR_SET([EXPATCFG_ON_MINGW],[yes])
AC_MSG_NOTICE([detected OS: MinGW])])
AM_CONDITIONAL([MINGW], [test x${EXPATCFG_ON_MINGW} = xyes])
dnl Note: Prefix "_INTERNAL_" here means exclusive use inside of file configure.ac
AM_CONDITIONAL([UNICODE], [echo -- "${CPPFLAGS}${CFLAGS}" | ${FGREP} XML_UNICODE >/dev/null])
AM_CONDITIONAL([_INTERNAL_UNICODE_WCHAR_T], [echo -- "${CPPFLAGS}${CFLAGS}" | ${FGREP} XML_UNICODE_WCHAR_T >/dev/null])
AM_CONDITIONAL([_INTERNAL_MIN_SIZE], [echo -- "${CPPFLAGS}${CFLAGS}" | ${FGREP} XML_MIN_SIZE >/dev/null])
AM_CONDITIONAL([_INTERNAL_LARGE_SIZE], [echo -- "${CPPFLAGS}${CFLAGS}" | ${FGREP} XML_LARGE_SIZE >/dev/null])
LT_LIB_M
AC_ARG_WITH([libbsd],
[AS_HELP_STRING([--with-libbsd], [utilize libbsd (for arc4random_buf)])],
[],
[with_libbsd=no])
AS_IF([test "x${with_libbsd}" != xno],
[AC_CHECK_LIB([bsd],
[arc4random_buf],
[],
[AS_IF([test "x${with_libbsd}" = xyes],
[AC_MSG_ERROR([Enforced use of libbsd cannot be satisfied.])])])])
AC_MSG_CHECKING([for arc4random_buf (BSD or libbsd)])
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <stdlib.h> /* for arc4random_buf on BSD, for NULL */
#if defined(HAVE_LIBBSD)
# include <bsd/stdlib.h>
#endif
int main() {
arc4random_buf(NULL, 0U);
return 0;
}
])],
[AC_DEFINE([HAVE_ARC4RANDOM_BUF], [1], [Define to 1 if you have the `arc4random_buf' function.])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_MSG_CHECKING([for arc4random (BSD, macOS or libbsd)])
AC_LINK_IFELSE([AC_LANG_SOURCE([
#if defined(HAVE_LIBBSD)
# include <bsd/stdlib.h>
#else
# include <stdlib.h>
#endif
int main() {
arc4random();
return 0;
}
])],
[AC_DEFINE([HAVE_ARC4RANDOM], [1], [Define to 1 if you have the `arc4random' function.])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])])
AC_ARG_WITH([getrandom],
[AS_HELP_STRING([--with-getrandom],
[enforce the use of getrandom function in the system @<:@default=check@:>@])
AS_HELP_STRING([--without-getrandom],
[skip auto detect of getrandom @<:@default=check@:>@])],
[],
[with_getrandom=check])
AS_IF([test "x$with_getrandom" != xno],
[AC_MSG_CHECKING([for getrandom (Linux 3.17+, glibc 2.25+)])
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <stdlib.h> /* for NULL */
#include <sys/random.h>
int main() {
return getrandom(NULL, 0U, 0U);
}
])],
[AC_DEFINE([HAVE_GETRANDOM], [1], [Define to 1 if you have the `getrandom' function.])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AS_IF([test "x$with_getrandom" = xyes],
[AC_MSG_ERROR([enforced the use of getrandom --with-getrandom, but not detected])])])])
AC_ARG_WITH([sys_getrandom],
[AS_HELP_STRING([--with-sys-getrandom],
[enforce the use of syscall SYS_getrandom function in the system @<:@default=check@:>@])
AS_HELP_STRING([--without-sys-getrandom],
[skip auto detect of syscall SYS_getrandom @<:@default=check@:>@])],
[],
[with_sys_getrandom=check])
AS_IF([test "x$with_sys_getrandom" != xno],
[AC_MSG_CHECKING([for syscall SYS_getrandom (Linux 3.17+)])
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <stdlib.h> /* for NULL */
#include <unistd.h> /* for syscall */
#include <sys/syscall.h> /* for SYS_getrandom */
int main() {
syscall(SYS_getrandom, NULL, 0, 0);
return 0;
}
])],
[AC_DEFINE([HAVE_SYSCALL_GETRANDOM], [1], [Define to 1 if you have `syscall' and `SYS_getrandom'.])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AS_IF([test "x$with_sys_getrandom" = xyes],
[AC_MSG_ERROR([enforced the use of syscall SYS_getrandom --with-sys-getrandom, but not detected])])])])
dnl Only needed for xmlwf:
AC_CHECK_HEADERS(fcntl.h unistd.h)
AC_TYPE_OFF_T
AC_FUNC_MMAP
AS_IF([test "$ac_cv_func_mmap_fixed_mapped" = "yes"],
[AS_VAR_SET(FILEMAP,unixfilemap)],
[AS_VAR_SET(FILEMAP,readfilemap)])
AC_SUBST(FILEMAP)
dnl Some basic configuration:
AC_DEFINE([XML_NS], 1,
[Define to make XML Namespaces functionality available.])
AC_DEFINE([XML_DTD], 1,
[Define to make parameter entity parsing functionality available.])
AC_DEFINE([XML_DEV_URANDOM], 1,
[Define to include code reading entropy from `/dev/urandom'.])
AC_ARG_ENABLE([xml-attr-info],
[AS_HELP_STRING([--enable-xml-attr-info],
[Enable retrieving the byte offsets for attribute names and values @<:@default=no@:>@])],
[],
[enable_xml_attr_info=no])
AS_IF([test "x${enable_xml_attr_info}" = "xyes"],
[AC_DEFINE([XML_ATTR_INFO], 1,
[Define to allow retrieving the byte offsets for attribute names and values.])])
AC_ARG_ENABLE([xml-context],
AS_HELP_STRING([--enable-xml-context @<:@COUNT@:>@],
[Retain context around the current parse point;
default is enabled and a size of 1024 bytes])
AS_HELP_STRING([--disable-xml-context],
[Do not retain context around the current parse point]),
[enable_xml_context=${enableval}])
AS_IF([test "x${enable_xml_context}" != "xno"],
[AS_IF([test "x${enable_xml_context}" = "xyes" \
-o "x${enable_xml_context}" = "x"],
[AS_VAR_SET(enable_xml_context,1024)])
AC_DEFINE_UNQUOTED([XML_CONTEXT_BYTES], [${enable_xml_context}],
[Define to specify how much context to retain around the current parse point.])])
AC_ARG_WITH([docbook],
[AS_HELP_STRING([--with-docbook],
[enforce XML to man page compilation @<:@default=check@:>@])
AS_HELP_STRING([--without-docbook],
[skip XML to man page compilation @<:@default=check@:>@])],
[],
[with_docbook=check])
AC_ARG_VAR([DOCBOOK_TO_MAN], [docbook2x-man command])
AS_IF([test "x$with_docbook" != xno],
[AC_CHECK_PROGS([DOCBOOK_TO_MAN], [docbook2x-man db2x_docbook2man docbook2man docbook-to-man])])
AS_IF([test "x${DOCBOOK_TO_MAN}" = x -a "x$with_docbook" = xyes],
[AC_MSG_ERROR([Required program 'docbook2x-man' not found.])])
AS_IF([test "x${DOCBOOK_TO_MAN}" != x -a "x$with_docbook" != xno],
[AS_IF([${DOCBOOK_TO_MAN} --help | grep -i -q -F sgmlbase],
[AC_MSG_ERROR([Your local ${DOCBOOK_TO_MAN} was found to work with SGML rather
than XML. Please install docbook2X and use variable DOCBOOK_TO_MAN to point
configure to command docbook2x-man of docbook2X.
Or use DOCBOOK_TO_MAN="xmlto man --skip-validation" if you have xmlto around.
You can also configure using --without-docbook if you can do without a man
page for xmlwf.])])])
AM_CONDITIONAL(WITH_DOCBOOK, [test "x${DOCBOOK_TO_MAN}" != x])
dnl Configure CMake file templates
dnl NOTE: The *_TRUE variables read here are Automake conditionals
dnl that are either set to "" when enabled or to "#" when disabled
dnl (because they are used to dynamically comment out certain things)
AS_IF([test "x${enable_xml_attr_info}" = xyes],
[EXPAT_ATTR_INFO=ON],
[EXPAT_ATTR_INFO=OFF])
EXPAT_DTD=ON
AS_IF([test "x${_INTERNAL_LARGE_SIZE_TRUE}" = x],
[EXPAT_LARGE_SIZE=ON],
[EXPAT_LARGE_SIZE=OFF])
AS_IF([test "x${_INTERNAL_MIN_SIZE_TRUE}" = x],
[EXPAT_MIN_SIZE=ON],
[EXPAT_MIN_SIZE=OFF])
EXPAT_NS=ON
AS_IF([test "x${enable_xml_context}" != xno],
[EXPAT_CONTEXT_BYTES=${enable_xml_context}],
[EXPAT_CONTEXT_BYTES=OFF])
AS_IF([test "x${UNICODE_TRUE}" = x],
[AS_IF(
[test "x${_INTERNAL_UNICODE_WCHAR_T_TRUE}" = x],
[EXPAT_CHAR_TYPE=wchar_t],
[EXPAT_CHAR_TYPE=ushort])],
[EXPAT_CHAR_TYPE=char])
PACKAGE_INIT="${srcdir}"/cmake/autotools/expat-package-init.cmake
LIBDIR_BASENAME="$(basename "${libdir}")"
SO_MAJOR="$(expr "${LIBCURRENT}" - "${LIBAGE}")"
SO_MINOR="${LIBAGE}"
SO_PATCH="${LIBREVISION}"
AC_CHECK_SIZEOF([void *]) # sets ac_cv_sizeof_void_p
AC_SUBST([EXPAT_ATTR_INFO])
AC_SUBST([EXPAT_DTD])
AC_SUBST([EXPAT_LARGE_SIZE])
AC_SUBST([EXPAT_MIN_SIZE])
AC_SUBST([EXPAT_NS])
AC_SUBST([EXPAT_CONTEXT_BYTES])
AC_SUBST([EXPAT_CHAR_TYPE])
AC_SUBST_FILE([PACKAGE_INIT])
AC_SUBST([LIBDIR_BASENAME])
AC_SUBST([SO_MAJOR])
AC_SUBST([SO_MINOR])
AC_SUBST([SO_PATCH])
AC_SUBST([ac_cv_sizeof_void_p])
dnl write the Automake flags we set
AC_SUBST([AM_CPPFLAGS])
AC_SUBST([AM_CFLAGS])
AC_SUBST([AM_CXXFLAGS])
AC_SUBST([AM_LDFLAGS])
dnl Emulate the use of CMAKE_SHARED_LIBRARY_PREFIX under CMake
AC_MSG_CHECKING([for shared library name prefix])
AS_CASE("${host_os}",
[cygwin*], [CMAKE_SHARED_LIBRARY_PREFIX=cyg],
[CMAKE_SHARED_LIBRARY_PREFIX=lib])
AC_MSG_RESULT([${CMAKE_SHARED_LIBRARY_PREFIX}])
AC_SUBST([CMAKE_SHARED_LIBRARY_PREFIX])
AS_CASE("${host_os}",
[darwin*], [CMAKE_NOCONFIG_SOURCE=cmake/autotools/expat-noconfig__macos.cmake.in],
[mingw*|cygwin*], [CMAKE_NOCONFIG_SOURCE=cmake/autotools/expat-noconfig__windows.cmake.in],
[CMAKE_NOCONFIG_SOURCE=cmake/autotools/expat-noconfig__linux.cmake.in])
AC_CONFIG_FILES([Makefile]
[expat.pc]
[cmake/expat-config.cmake]
[cmake/autotools/expat-config-version.cmake]
[cmake/autotools/expat-noconfig.cmake:${CMAKE_NOCONFIG_SOURCE}]
[doc/Makefile]
[examples/Makefile]
[lib/Makefile]
[tests/Makefile]
[tests/benchmark/Makefile]
[xmlwf/Makefile])
AC_CONFIG_FILES([run.sh], [chmod +x run.sh])
AC_OUTPUT
AC_MSG_NOTICE([
Automake flags (can be overridden by user flags):
[AM_CPPFLAGS]: ${AM_CPPFLAGS}
[AM_CFLAGS]: ${AM_CFLAGS}
[AM_CXXFLAGS]: ${AM_CXXFLAGS}
[AM_LDFLAGS]: ${AM_LDFLAGS}
User flags (override Automake flags on conflict):
CPPFLAGS: ${CPPFLAGS}
CFLAGS: ${CFLAGS}
CXXFLAGS: ${CXXFLAGS}
LDFLAGS: ${LDFLAGS}])
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