## ## This file is part of the libsigrokdecode project. ## ## Copyright (C) 2010 Bert Vermeulen ## ## This program is free software: you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by ## the Free Software Foundation, either version 3 of the License, or ## (at your option) any later version. ## ## This program is distributed in the hope that it will be useful, ## but WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ## GNU General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with this program. If not, see . ## # We require at least autoconf 2.63 (AC_INIT format changed there). AC_PREREQ([2.63]) # libsigrokdecode package version number (NOT the same as shared lib version!). AC_INIT([libsigrokdecode], [0.4.0], [sigrok-devel@lists.sourceforge.net], [libsigrokdecode], [http://www.sigrok.org]) AC_CONFIG_MACRO_DIR([m4]) AC_CONFIG_AUX_DIR([autostuff]) AC_CONFIG_HEADERS([config.h version.h]) # We require at least automake 1.11 (needed for 'silent rules'). AM_INIT_AUTOMAKE([1.11 -Wall -Werror no-define subdir-objects check-news color-tests]) AM_SILENT_RULES([yes]) m4_ifdef([AM_PROG_AR], [AM_PROG_AR]) AH_TOP([#ifndef SRD_CONFIG_H #define SRD_CONFIG_H /* To stop multiple inclusions. */]) AH_BOTTOM([#endif /* SRD_CONFIG_H */]) # Checks for programs. AC_PROG_CC AC_PROG_INSTALL AC_PROG_LN_S # Required for per-target flags or subdir-objects with C sources. AM_PROG_CC_C_O # Initialize libtool. LT_INIT # Set up the libsigrokdecode version defines. SR_PKG_VERSION_SET([SRD_PACKAGE_VERSION], [AC_PACKAGE_VERSION]) # Library version for libsigrokdecode (NOT the same as the package version). # Carefully read the libtool docs before updating these numbers! # The algorithm for determining which number to change (and how) is nontrivial! # http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info SR_LIB_VERSION_SET([SRD_LIB_VERSION], [2:0:0]) ############################ ## Package dependencies ## ############################ # Initialize pkg-config. # We require at least 0.22, as "Requires.private" behaviour changed there. PKG_PROG_PKG_CONFIG([0.22]) # Collect the pkg-config module names of all dependencies in SRD_PKGLIBS. # These are used to derive the compiler flags and for the "Requires.private" # field in the generated libsigrokdecode.pc file. SRD_PKGLIBS= SRD_PKGLIBS_CHECK= # Keep track of all checked modules so we can list them at the end. SR_PKG_CHECK_SUMMARY([srd_pkglibs_summary]) # Python 3 is always needed. SR_PKG_CHECK([python3], [SRD_PKGLIBS], [python3 >= 3.2], [python-3.4 >= 3.4], [python-3.3 >= 3.3], [python-3.2 >= 3.2]) AS_IF([test "x$sr_have_python3" = xno], [AC_MSG_ERROR([Cannot find Python 3 development headers.])]) # We also need to find the name of the python3 executable (for 'make install'). # Some OSes call this python3, some call it python3.2, etc. etc. AC_ARG_VAR([PYTHON3], [Python 3 interpreter]) AC_CHECK_PROGS([PYTHON3], [python3.4 python3.3 python3.2 python3]) AS_IF([test "x$PYTHON3" = x], [AC_MSG_ERROR([Cannot find Python 3 interpreter.])]) ###################### ## Feature checks ## ###################### # Keep track of all checked modules so we can list them at the end. SR_PKG_CHECK_SUMMARY([srd_pkglibs_opt_summary]) # The Check unit testing framework is optional. Disable if not found. SR_PKG_CHECK([check], [SRD_PKGLIBS_CHECK], [check >= 0.9.4]) AM_CONDITIONAL([HAVE_CHECK], [test "x$sr_have_check" = xyes]) # Enable the C99 standard if possible, and enforce the use # of SRD_API to explicitly mark all public API functions. SRD_EXTRA_CFLAGS= SR_CHECK_COMPILE_FLAGS([SRD_EXTRA_CFLAGS], [C99], [-std=c99 -c99 -AC99 -qlanglvl=extc99]) SR_CHECK_COMPILE_FLAGS([SRD_EXTRA_CFLAGS], [visibility], [-fvisibility=hidden]) # Select suitable compiler warning flags. SR_ARG_ENABLE_WARNINGS([SRD_WFLAGS], [-Wall], [-Wall -Wextra -Wmissing-prototypes]) # Link against libm, this is required (among other things) by Python. SRD_EXTRA_LIBS= SR_SEARCH_LIBS([SRD_EXTRA_LIBS], [pow], [m]) ############################## ## Finalize configuration ## ############################## AC_SUBST([SRD_PKGLIBS]) # Retrieve the compile and link flags for all modules combined. # Also, bail out at this point if any module dependency is not met. PKG_CHECK_MODULES([LIBSIGROKDECODE], [glib-2.0 >= 2.24.0 $SRD_PKGLIBS]) PKG_CHECK_MODULES([CHECK], [$SRD_PKGLIBS_CHECK glib-2.0 $SRD_PKGLIBS]) srd_glib_version=`$PKG_CONFIG --modversion glib-2.0 2>&AS_MESSAGE_LOG_FD` AC_CONFIG_FILES([Makefile libsigrokdecode.pc]) AC_OUTPUT cat >&AS_MESSAGE_FD <<_EOF libsigrokdecode configuration summary: - Package version................. $SRD_PACKAGE_VERSION - Library ABI version............. $SRD_LIB_VERSION - Prefix.......................... $prefix - Building on..................... $build - Building for.................... $host - Additional C compiler flags..... $SRD_EXTRA_CFLAGS - C compiler warnings............. $SRD_WFLAGS Detected libraries (required): - glib-2.0 >= 2.24.0.............. $srd_glib_version $srd_pkglibs_summary Detected libraries (optional): $srd_pkglibs_opt_summary _EOF