mirror of
git://sigrok.org/libserialport
synced 2023-08-10 21:13:24 +03:00
e4bffe06c2
Any libs needed when building static binaries must be listed in the 'Requires.private' field of the installed pkg-config file libserialport.pc. Currently, this is libudev (but only when building on/for Linux).
138 lines
4.4 KiB
Plaintext
138 lines
4.4 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], [sp_package_version_major.sp_package_version_minor])
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AC_INIT([libserialport], [sp_package_version], [martin-libserialport@earth.li],
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[libserialport], [http://github.com/martinling/libserialport])
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AC_CONFIG_MACRO_DIR([autostuff])
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AC_CONFIG_AUX_DIR([autostuff])
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AC_CANONICAL_TARGET
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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])
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m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
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m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
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AH_TOP([#ifndef SP_CONFIG_H
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#define SP_CONFIG_H /* To stop multiple inclusions. */])
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AH_BOTTOM([#endif /* SP_CONFIG_H */])
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# Enable more compiler warnings via -Wall and -Wextra.
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CFLAGS="$CFLAGS -Wall -Wextra"
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# Checks for programs.
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AC_PROG_CC
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AC_PROG_CPP
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AC_PROG_INSTALL
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AC_PROG_LN_S
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# Required for per-target flags or subdir-objects with C sources.
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AM_PROG_CC_C_O
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# Initialize libtool.
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LT_INIT
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# Initialize pkg-config.
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# We require at least 0.22, as "Requires.private" behaviour changed there.
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PKG_PROG_PKG_CONFIG([0.22])
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# Library version for libserialport (NOT the same as the package version).
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# Carefully read the libtool docs before updating these numbers!
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# The algorithm for determining which number to change (and how) is nontrivial!
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# http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
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SP_LIB_VERSION_CURRENT=0
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SP_LIB_VERSION_REVISION=0
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SP_LIB_VERSION_AGE=0
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SP_LIB_VERSION="$SP_LIB_VERSION_CURRENT:$SP_LIB_VERSION_REVISION:$SP_LIB_VERSION_AGE"
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SP_LIB_LDFLAGS="-version-info $SP_LIB_VERSION"
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AC_SUBST(SP_LIB_VERSION_CURRENT)
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AC_SUBST(SP_LIB_VERSION_REVISION)
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AC_SUBST(SP_LIB_VERSION_AGE)
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AC_SUBST(SP_LIB_VERSION)
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AC_SUBST(SP_LIB_LDFLAGS)
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# Checks for libraries.
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# This variable collects the pkg-config names of all detected libs.
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# It is then used to construct the "Requires.private:" field in the
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# libserialport.pc file.
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SP_PKGLIBS=""
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case $target_os in
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*linux*)
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# On Linux libudev is currently a hard requirement.
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PKG_CHECK_MODULES([libudev], [libudev >= 0],
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[CFLAGS="$CFLAGS $libudev_CFLAGS"; LIBS="$LIBS $libudev_LIBS";
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SP_PKGLIBS="$SP_PKGLIBS libudev"])
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;;
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*darwin*)
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LDFLAGS="$LDFLAGS -Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation"
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AC_CHECK_HEADER(IOKit/IOKitLib.h, [], [AC_MSG_ERROR([IOKit/IOKitLib.h not found])])
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;;
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esac
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AC_SUBST(SP_PKGLIBS)
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# Checks for header files.
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# These are already checked: inttypes.h dlfcn.h memory.h stdint.h stdlib.h
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# string.h strings.h sys/types.h sys/stat.h unistd.h
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AC_CHECK_HEADERS([errno.h fcntl.h stddef.h sys/ioctl.h termios.h])
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# Checks for typedefs, structures, and compiler characteristics.
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AC_C_INLINE
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AC_TYPE_SIZE_T
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AC_TYPE_SSIZE_T
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# Checks for library functions.
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AC_CHECK_FUNCS([strerror])
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AC_SUBST(MAKEFLAGS, '--no-print-directory')
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AC_SUBST(AM_LIBTOOLFLAGS, '--silent')
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SP_PACKAGE_VERSION_MAJOR=sp_package_version_major
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SP_PACKAGE_VERSION_MINOR=sp_package_version_minor
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SP_PACKAGE_VERSION=sp_package_version
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AC_SUBST(SP_PACKAGE_VERSION_MAJOR)
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AC_SUBST(SP_PACKAGE_VERSION_MINOR)
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AC_SUBST(SP_PACKAGE_VERSION)
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AC_CONFIG_FILES([Makefile libserialport.h libserialport.pc])
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AC_OUTPUT
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echo
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echo "libserialport configuration summary:"
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echo
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echo " - Package version (major.minor): $SP_PACKAGE_VERSION"
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echo " - Library version (current:revision:age): $SP_LIB_VERSION"
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echo " - Prefix: $prefix"
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echo " - Building on: $build"
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echo " - Building for: $host"
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echo
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