2 # configure.ac -- autoconf configuration for the LZO library
4 # This file is part of the LZO data compression library.
6 # Copyright (C) 1996-2011 Markus Franz Xaver Johannes Oberhumer
9 # The LZO library is free software; you can redistribute it and/or
10 # modify it under the terms of the GNU General Public License as
11 # published by the Free Software Foundation; either version 2 of
12 # the License, or (at your option) any later version.
14 # The LZO library is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
19 # You should have received a copy of the GNU General Public License
20 # along with the LZO library; see the file COPYING.
21 # If not, write to the Free Software Foundation, Inc.,
22 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
24 # Markus F.X.J. Oberhumer
25 # <markus@oberhumer.com>
26 # http://www.oberhumer.com/opensource/lzo/
30 # /***********************************************************************
32 # ************************************************************************/
34 AC_COPYRIGHT([Copyright (C) 1996-2011 Markus Franz Xaver Johannes Oberhumer.
36 This configure script may be copied, distributed and modified under the
37 terms of the GNU General Public License; see COPYING for more details.])
40 AC_INIT([LZO],[2.06],[markus@oberhumer.com],[lzo],[http://www.oberhumer.com/opensource/lzo/])
41 AC_MSG_NOTICE([Configuring LZO $PACKAGE_VERSION])
42 AC_CONFIG_SRCDIR(src/lzo_init.c)
43 AC_CONFIG_AUX_DIR(autoconf)
44 m4_include([autoconf/local.m4])
45 AC_PREFIX_DEFAULT(/usr/local)
51 if test -z "$ac_abs_top_srcdir"; then
54 if test -z "$ac_abs_top_srcdir"; then
55 as_fn_error 1 "internal error: ac_abs_top_srcdir is not set"
57 if test -r .Conf.settings1; then
70 AM_INIT_AUTOMAKE([1.11.1 gnu subdir-objects])
71 AM_SILENT_RULES([yes])
72 AC_CONFIG_HEADERS([config.h:config.hin])
79 # /***********************************************************************
80 # // Checks for header files
81 # ************************************************************************/
84 dnl AC_CHECK_HEADERS([sys/param.h sys/resource.h sys/times.h])
85 if test "X$ac_cv_header_limits_h" != Xyes; then
86 AC_MSG_ERROR([<limits.h> header not found])
88 mfx_CHECK_HEADER_SANE_LIMITS_H
89 if test "X$mfx_cv_header_sane_limits_h" != Xyes; then
90 AC_MSG_ERROR([your <limits.h> header is broken - for details see config.log])
94 # /***********************************************************************
95 # // Checks for typedefs and structures
96 # ************************************************************************/
99 AC_CHECK_TYPE(ptrdiff_t,long)
107 # /***********************************************************************
108 # // Checks for library functions
109 # ************************************************************************/
115 # /***********************************************************************
116 # // Checks for assembler
117 # ************************************************************************/
119 AC_ARG_ENABLE(asm, AS_HELP_STRING(--disable-asm,disable assembly versions))
126 case "$host_cpu-$ac_cv_sizeof_void_p" in
127 amd64-8 | x86_64-8) asm_arch="amd64"; asm_dir="asm/amd64/src_gas/elf64"; asm_mode="amd64_src_gas_elf64" ;;
128 i?86-4) asm_arch="i386"; asm_dir="asm/i386/src_gas"; asm_mode="i386_src_gas" ;;
131 LZO_USE_ASM_i386_src_gas=no
133 AC_MSG_CHECKING([whether to build assembly versions])
134 if test "X$enable_asm" != Xno; then
135 mfx_compile_S='${CCAS} ${CCASFLAGS} -c conftest.S 1>&AS_MESSAGE_LOG_FD'
136 cat > conftest.S <<EOF
137 #include "$ac_abs_top_srcdir/$asm_dir/lzo1x_f1.S"
140 if AC_TRY_EVAL(mfx_compile_S); then
141 if AC_TRY_COMMAND([test -s conftest.$ac_objext]); then
143 eval asm_msg_$asm_arch="'yes [[$asm_dir]]'"
144 eval LZO_USE_ASM_$asm_mode=yes
147 if test "X$enable_asm" = Xno; then
148 echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD
149 cat conftest.S >&AS_MESSAGE_LOG_FD
153 AC_MSG_RESULT([$enable_asm])
155 AM_CONDITIONAL(LZO_USE_ASM_i386_src_gas, [test "X$LZO_USE_ASM_i386_src_gas" != Xno])
156 AM_CONDITIONAL(LZO_USE_ASM_i386_obj_elf32, [false])
159 # /***********************************************************************
160 # // Write output files
161 # ************************************************************************/
163 mfx_MINIACC_ACCCHK(["-I$srcdir"],["src/miniacc.h"])
165 if test -r .Conf.settings2; then
169 my_DEFS="-DLZO_HAVE_CONFIG_H=1"
170 if test "X$enable_asm" != Xno; then
171 my_DEFS="$my_DEFS -DLZO_USE_ASM=1"
174 AC_CONFIG_COMMANDS_PRE([
175 test "X$DEFS" = "X-DHAVE_CONFIG_H" && DEFS=
176 test "X$DEFS" != "X" && DEFS="$DEFS "
177 DEFS="${DEFS}${my_DEFS}"
179 AC_CONFIG_FILES([Makefile])
183 ## enable AMD64 assembly code : ${asm_msg_amd64}
186 LZO configuration summary
187 -------------------------
188 LZO version : ${PACKAGE_VERSION}
189 configured for host : ${host_cpu}-${host_vendor}-${host_os}
190 source code location : ${srcdir}
192 preprocessor definitions : ${DEFS}
193 preprocessor flags : ${CPPFLAGS}
194 compiler flags : ${CFLAGS}
195 build static library : ${enable_static}
196 build shared library : ${enable_shared}
197 enable i386 assembly code : ${asm_msg_i386}
200 LZO ${PACKAGE_VERSION} configured.
202 Copyright (C) 1996-2011 Markus Franz Xaver Johannes Oberhumer
205 The LZO library is free software; you can redistribute it and/or
206 modify it under the terms of the GNU General Public License as
207 published by the Free Software Foundation; either version 2 of
208 the License, or (at your option) any later version.
210 The LZO library is distributed in the hope that it will be useful,
211 but WITHOUT ANY WARRANTY; without even the implied warranty of
212 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
213 GNU General Public License for more details.
215 Markus F.X.J. Oberhumer
216 <markus@oberhumer.com>
217 http://www.oberhumer.com/opensource/lzo/
220 Type \`make' to build LZO. Type \`make install' to install LZO.
221 After installing LZO, please read the accompanied documentation.