178 lines
6.5 KiB
Plaintext
178 lines
6.5 KiB
Plaintext
##
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## This file is part of the libserialport project.
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##
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## Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
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## Copyright (C) 2013 Martin Ling <martin-libserialport@earth.li>
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##
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## This program is free software: you can redistribute it and/or modify
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## it under the terms of the GNU Lesser General Public License as
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## published by the Free Software Foundation, either version 3 of the
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## License, or (at your option) any later version.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU Lesser General Public License
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## along with this program. If not, see <http://www.gnu.org/licenses/>.
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##
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# We require at least autoconf 2.63 (AC_INIT format changed there).
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AC_PREREQ([2.63])
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# libserialport package version number (NOT the same as shared lib version!).
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m4_define([sp_package_version_major], [0])
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m4_define([sp_package_version_minor], [1])
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m4_define([sp_package_version_micro], [1])
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m4_define([sp_package_version], [sp_package_version_major.sp_package_version_minor.sp_package_version_micro])
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AC_INIT([libserialport], [sp_package_version], [martin-libserialport@earth.li],
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[libserialport], [http://sigrok.org/wiki/Libserialport])
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AC_CONFIG_HEADERS([config.h])
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AC_CONFIG_MACRO_DIR([autostuff])
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AC_CONFIG_AUX_DIR([autostuff])
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AH_BOTTOM([#if HAVE_STRUCT_TERMIOS_C_ISPEED && HAVE_STRUCT_TERMIOS_C_OSPEED
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# define HAVE_TERMIOS_SPEED 1
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#endif
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#if HAVE_STRUCT_TERMIOS2_C_ISPEED && HAVE_STRUCT_TERMIOS2_C_OSPEED
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# define HAVE_TERMIOS2_SPEED 1
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#endif])
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# We require at least automake 1.11 (needed for 'silent rules').
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AM_INIT_AUTOMAKE([1.11 -Wall -Werror no-define check-news])
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AM_SILENT_RULES([yes])
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m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
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# Checks for programs.
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AC_PROG_CC
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AC_PROG_INSTALL
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AC_PROG_LN_S
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## SP_PROG_VERSION(program, sh-var)
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## Obtain the version of <program> and store it in <sh-var>.
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AC_DEFUN([SP_PROG_VERSION],
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[dnl
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m4_assert([$# >= 2])[]dnl
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sp_prog_ver=`$1 --version 2>&AS_MESSAGE_LOG_FD | sed 1q 2>&AS_MESSAGE_LOG_FD`
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AS_CASE([[$]?:$sp_prog_ver],
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[[0:*[0-9].[0-9]*]], [$2=$sp_prog_ver],
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[$2=unknown])[]dnl
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])
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SP_PROG_VERSION([$CC], [sp_cc_version])
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# Initialize libtool.
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LT_INIT
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AC_DEFINE([SP_PACKAGE_VERSION_MAJOR], [sp_package_version_major], [.])
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AC_DEFINE([SP_PACKAGE_VERSION_MINOR], [sp_package_version_minor], [.])
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AC_DEFINE([SP_PACKAGE_VERSION_MICRO], [sp_package_version_micro], [.])
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AC_DEFINE([SP_PACKAGE_VERSION_STRING], ["sp_package_version"], [.])
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AC_SUBST([SP_PACKAGE_VERSION], [sp_package_version])
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# Library version for libserialport (NOT the same as the package version).
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# Carefully read the libtool docs before updating these numbers!
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# The algorithm for determining which number to change (and how) is nontrivial!
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# http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
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SP_LIB_VERSION_CURRENT=1
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SP_LIB_VERSION_REVISION=0
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SP_LIB_VERSION_AGE=1
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AC_SUBST([SP_LIB_VERSION],
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["$SP_LIB_VERSION_CURRENT:$SP_LIB_VERSION_REVISION:$SP_LIB_VERSION_AGE"])
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AC_DEFINE_UNQUOTED([SP_LIB_VERSION_CURRENT], [$SP_LIB_VERSION_CURRENT], [.])
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AC_DEFINE_UNQUOTED([SP_LIB_VERSION_REVISION], [$SP_LIB_VERSION_REVISION], [.])
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AC_DEFINE_UNQUOTED([SP_LIB_VERSION_AGE], [$SP_LIB_VERSION_AGE], [.])
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AC_DEFINE_UNQUOTED([SP_LIB_VERSION_STRING], ["$SP_LIB_VERSION"], [.])
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AM_CONDITIONAL([LINUX], [test -z "${host_os##linux*}" || test -z "${host_os##uclinux*}"])
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AM_CONDITIONAL([WIN32], [test -z "${host_os##mingw*}"])
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AM_CONDITIONAL([MACOSX], [test -z "${host_os##darwin*}"])
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AM_CONDITIONAL([FREEBSD], [test -z "${host_os##freebsd*}"])
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AM_COND_IF([WIN32], [SP_LIBS='-lsetupapi'], [SP_LIBS=])
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AC_SUBST([SP_LIBS])
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AM_COND_IF([FREEBSD], [SP_PKGLIBS='libusb-2.0'], [SP_PKGLIBS=])
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AC_SUBST([SP_PKGLIBS])
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AM_COND_IF([MACOSX], [AC_CHECK_HEADER([IOKit/IOKitLib.h], [],
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[AC_MSG_ERROR([IOKit/IOKitLib.h not found])])])
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AS_CASE([$host_os], [linux*|darwin*|mingw*|freebsd*],, [
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AC_DEFINE([NO_ENUMERATION], [1], [Enumeration is unsupported.])
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AC_DEFINE([NO_PORT_METADATA], [1], [Port metadata is unavailable.])
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])
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AC_SYS_LARGEFILE
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# Define size_t if not defined as standard.
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AC_TYPE_SIZE_T
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# Check for specific termios structures.
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AC_CHECK_TYPES([struct termios2, struct termiox],,,
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[[#include <linux/termios.h>]])
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AC_CHECK_MEMBERS([struct termios.c_ispeed, struct termios.c_ospeed,
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struct termios2.c_ispeed, struct termios2.c_ospeed],,,
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[[#include <linux/termios.h>]])
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# Check for the BOTHER definition, needed for setting arbitrary baud rates.
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# We can't just #ifdef BOTHER in the code, because of the separation between
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# code using libc headers and code using kernel termios.h headers.
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AC_CHECK_DECLS([BOTHER],,, [[#include <linux/termios.h>]])
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# Check for serial_struct.
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AC_CHECK_TYPES([struct serial_struct],,, [[#include <linux/serial.h>]])
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# Check for realpath().
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AC_CHECK_FUNC([realpath], [AC_DEFINE(HAVE_REALPATH, 1, [realpath is available.])], [])
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# Check for clock_gettime().
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AC_CHECK_FUNC([clock_gettime],
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[AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [clock_gettime is available.])], [])
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AC_CACHE_CHECK([for visibility control], [sp_cv_visibility_control], [
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sp_saved_CFLAGS=$CFLAGS
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CFLAGS="$CFLAGS -Werror"
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AC_COMPILE_IFELSE([AC_LANG_SOURCE(
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[[__attribute__((visibility("hidden"))) void foo(void) {}]])],
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[sp_cv_visibility_control=attribute],
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[AC_COMPILE_IFELSE([AC_LANG_SOURCE(
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[[__declspec(dllexport) void foo(void) {}]])],
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[sp_cv_visibility_control=declspec],
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[sp_cv_visibility_control=none])])
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CFLAGS=$sp_saved_CFLAGS
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])
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AS_CASE([$sp_cv_visibility_control],
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[attribute], [SP_API='__attribute__((visibility("default")))'
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SP_PRIV='__attribute__((visibility("hidden")))'],
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[declspec], [SP_API='__declspec(dllexport)' SP_PRIV=],
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[SP_API= SP_PRIV=])
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AC_DEFINE_UNQUOTED([SP_API], [$SP_API], [Macro preceding public API functions])
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AC_DEFINE_UNQUOTED([SP_PRIV], [$SP_PRIV], [Macro preceding private functions])
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AC_CONFIG_FILES([Makefile libserialport.pc])
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AC_OUTPUT
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cat >&AS_MESSAGE_FD <<_EOF
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libserialport configuration summary:
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- Package version................. $SP_PACKAGE_VERSION
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- Library ABI version............. $SP_LIB_VERSION
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- Prefix.......................... $prefix
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- Building on..................... $build
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- Building for.................... $host
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- Building shared / static........ $enable_shared / $enable_static
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Compile configuration:
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- C compiler...................... $CC
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- C compiler version.............. $sp_cc_version
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- C compiler flags................ $CFLAGS
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- Linker flags.................... $LDFLAGS
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_EOF
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