##
-## This file is part of the sigrok project.
+## This file is part of the libsigrokdecode project.
##
## Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
##
## along with this program. If not, see <http://www.gnu.org/licenses/>.
##
-AC_PREREQ(2.61)
+# 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!).
-m4_define([libsigrokdecode_major_version], [0])
-m4_define([libsigrokdecode_minor_version], [2])
-m4_define([libsigrokdecode_micro_version], [0])
-m4_define([libsigrokdecode_version],
- [libsigrokdecode_major_version.libsigrokdecode_minor_version.libsigrokdecode_micro_version])
+m4_define([srd_package_version_major], [0])
+m4_define([srd_package_version_minor], [3])
+m4_define([srd_package_version_micro], [0])
+m4_define([srd_package_version], [srd_package_version_major.srd_package_version_minor.srd_package_version_micro])
-AC_INIT([libsigrokdecode], [libsigrokdecode_version],
+AC_INIT([libsigrokdecode], [srd_package_version],
[sigrok-devel@lists.sourceforge.net], [libsigrokdecode],
[http://www.sigrok.org])
AC_CONFIG_HEADER([config.h])
AC_CONFIG_MACRO_DIR([autostuff])
AC_CONFIG_AUX_DIR([autostuff])
-AM_INIT_AUTOMAKE([-Wall -Werror foreign std-options])
+# We require at least automake 1.11 (needed for 'silent rules').
+AM_INIT_AUTOMAKE([1.11 -Wall -Werror subdir-objects check-news color-tests])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
-AH_TOP([#ifndef LIBSIGROKDECODE_CONFIG_H
-#define LIBSIGROKDECODE_CONFIG_H /* To stop multiple inclusions. */])
-AH_BOTTOM([#endif /* LIBSIGROKDECODE_CONFIG_H */])
+AH_TOP([#ifndef SRD_CONFIG_H
+#define SRD_CONFIG_H /* To stop multiple inclusions. */])
+AH_BOTTOM([#endif /* SRD_CONFIG_H */])
-CFLAGS="-g -Wall -Wextra"
+# Enable more compiler warnings via -Wall and -Wextra. Add -fvisibility=hidden
+# and enforce use of SRD_API to explicitly mark all public API functions.
+AM_CFLAGS="$AM_CFLAGS -Wall -Wextra -Wmissing-prototypes -fvisibility=hidden"
# Checks for programs.
-AC_PROG_CXX
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
+# Required for per-target flags or subdir-objects with C sources.
+AM_PROG_CC_C_O
+
# Initialize libtool.
LT_INIT
# Carefully read the libtool docs before updating these numbers!
# The algorithm for determining which number to change (and how) is nontrivial!
# http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
-LIBSIGROKDECODE_LT_CURRENT=0
-LIBSIGROKDECODE_LT_REVISION=0
-LIBSIGROKDECODE_LT_AGE=0
-LIBSIGROKDECODE_LT_VERSION="$LIBSIGROKDECODE_LT_CURRENT:$LIBSIGROKDECODE_LT_REVISION:$LIBSIGROKDECODE_LT_AGE"
-LIBSIGROKDECODE_LT_LDFLAGS="-version-info $LIBSIGROKDECODE_LT_VERSION"
-AC_SUBST(LIBSIGROKDECODE_LT_LDFLAGS)
+SRD_LIB_VERSION_CURRENT=2
+SRD_LIB_VERSION_REVISION=0
+SRD_LIB_VERSION_AGE=0
+SRD_LIB_VERSION="$SRD_LIB_VERSION_CURRENT:$SRD_LIB_VERSION_REVISION:$SRD_LIB_VERSION_AGE"
+SRD_LIB_LDFLAGS="-version-info $SRD_LIB_VERSION"
+AC_SUBST(SRD_LIB_VERSION_CURRENT)
+AC_SUBST(SRD_LIB_VERSION_REVISION)
+AC_SUBST(SRD_LIB_VERSION_AGE)
+AC_SUBST(SRD_LIB_VERSION)
+AC_SUBST(SRD_LIB_LDFLAGS)
# Checks for libraries.
# libglib-2.0 is always needed.
# Note: glib-2.0 is part of the libsigrokdecode API
# (hard pkg-config requirement).
-AM_PATH_GLIB_2_0([2.22.0],
- [CFLAGS="$CFLAGS $GLIB_CFLAGS"; LIBS="$LIBS $GLIB_LIBS"])
-
-# Python support. We require at least Python >= 3.0.
+AM_PATH_GLIB_2_0([2.24.0],
+ [AM_CFLAGS="$AM_CFLAGS $GLIB_CFLAGS"; LIBS="$LIBS $GLIB_LIBS"])
+
+# Python 3 is always needed.
+# Note: We need to try a few different variants, since some systems have a
+# python3.pc file, others have a python-3.3.pc file, and so on.
+# We also export the name of the package so that it can be correctly
+# added to libsigrokdecode.pc.
+# See also: http://sigrok.org/wiki/Libsigrokdecode/Python
CPPFLAGS_PYTHON=""
LDFLAGS_PYTHON=""
-case "$build" in
-*linux*)
- # We know that Linux has 'python3-config'.
- CPPFLAGS_PYTHON="$(python3-config --includes)"
- LDFLAGS_PYTHON="$(python3-config --ldflags)"
- ;;
-*darwin*)
- # On Darwin, Macports has python3.x-config, fink has python3-config.
- # Mac OS X (Snow Leopard) ships with 'python-config' per default, but
- # that's Python 2.x, so not useful for us.
- if test -x python3-config; then
- # python3-config exists, use it.
- CPPFLAGS_PYTHON="$(python3-config --includes)"
- LDFLAGS_PYTHON="$(python3-config --ldflags)"
- else
- # No python3-config found, so try hardcoded python3.2-config.
- CPPFLAGS_PYTHON="$(python3.2-config --includes)"
- LDFLAGS_PYTHON="$(python3.2-config --ldflags)"
- fi
- ;;
-*mingw*)
- # We currently hardcode the paths to the Python 3.2 default install
- # location as there's no 'python-config' script on Windows, it seems.
- CPPFLAGS_PYTHON="-I/c/Python32/include"
- LDFLAGS_PYTHON="-L/c/Python32/libs -lpython32"
- ;;
-*)
- # Everything else is untested, we just hope 'python3-config' works.
- CPPFLAGS_PYTHON="$(python3-config --includes)"
- LDFLAGS_PYTHON="$(python3-config --ldflags)"
- ;;
-esac
+pyver="none"
+PKG_CHECK_MODULES([python3], [python3 >= 3.2],
+ [pyver=`$PKG_CONFIG --modversion python3`;
+ CPPFLAGS_PYTHON="$CPPFLAGS_PYTHON $python3_CFLAGS";
+ LDFLAGS_PYTHON="$LDFLAGS_PYTHON $python3_LIBS";
+ MODNAME_PYTHON="python3"],
+[PKG_CHECK_MODULES([python34], [python-3.4 >= 3.4],
+ [pyver=`$PKG_CONFIG --modversion python-3.4`;
+ CPPFLAGS_PYTHON="$CPPFLAGS_PYTHON $python34_CFLAGS";
+ LDFLAGS_PYTHON="$LDFLAGS_PYTHON $python34_LIBS";
+ MODNAME_PYTHON="python-3.4"],
+[PKG_CHECK_MODULES([python33], [python-3.3 >= 3.3],
+ [pyver=`$PKG_CONFIG --modversion python-3.3`;
+ CPPFLAGS_PYTHON="$CPPFLAGS_PYTHON $python33_CFLAGS";
+ LDFLAGS_PYTHON="$LDFLAGS_PYTHON $python33_LIBS";
+ MODNAME_PYTHON="python-3.3"],
+[PKG_CHECK_MODULES([python32], [python-3.2 >= 3.2],
+ [pyver=`$PKG_CONFIG --modversion python-3.2`;
+ CPPFLAGS_PYTHON="$CPPFLAGS_PYTHON $python32_CFLAGS";
+ LDFLAGS_PYTHON="$LDFLAGS_PYTHON $python32_LIBS";
+ MODNAME_PYTHON="python-3.2"],
+)])])])
AC_SUBST(CPPFLAGS_PYTHON)
AC_SUBST(LDFLAGS_PYTHON)
+AC_SUBST(MODNAME_PYTHON)
+
+# We also need to find the name of the python3 executable (for 'make install').
+# Some OSes call this python3, some call it python3.2, etc. etc.
+AC_CHECK_PROGS([PYTHON3], [python3.4 python3.3 python3.2 python3])
+if test "x$PYTHON3" = "x"; then
+ AC_MSG_ERROR([cannot find python3 executable.])
+fi
+
+# Link against libm, this is required (among other things) by Python.
+AC_SEARCH_LIBS([pow], [m])
+
+# The Check unit testing framework is optional. Disable if not found.
+PKG_CHECK_MODULES([check], [check >= 0.9.4],
+ [have_check="yes"], [have_check="no"])
+AM_CONDITIONAL(HAVE_CHECK, test x"$have_check" = "xyes")
# Checks for header files.
# These are already checked: inttypes.h stdint.h stdlib.h string.h unistd.h.
-AC_CHECK_HEADERS([fcntl.h sys/time.h termios.h])
-
-# Checks for typedefs, structures, and compiler characteristics.
-AC_C_INLINE
-AC_TYPE_INT8_T
-AC_TYPE_INT16_T
-AC_TYPE_INT32_T
-AC_TYPE_INT64_T
-AC_TYPE_UINT8_T
-AC_TYPE_UINT16_T
-AC_TYPE_UINT32_T
-AC_TYPE_UINT64_T
-AC_TYPE_SIZE_T
-
-# Checks for library functions.
-AC_CHECK_FUNCS([gettimeofday memset strchr strcspn strdup strerror strncasecmp strstr strtol strtoul strtoull])
AC_SUBST(DECODERS_DIR, "$datadir/libsigrokdecode/decoders")
AC_SUBST(MAKEFLAGS, '--no-print-directory')
AC_SUBST(AM_LIBTOOLFLAGS, '--silent')
-LIBSIGROKDECODE_MAJOR_VERSION=libsigrokdecode_major_version
-LIBSIGROKDECODE_MINOR_VERSION=libsigrokdecode_minor_version
-LIBSIGROKDECODE_MICRO_VERSION=libsigrokdecode_micro_version
-LIBSIGROKDECODE_VERSION=libsigrokdecode_version
-
-AC_SUBST(LIBSIGROKDECODE_MAJOR_VERSION)
-AC_SUBST(LIBSIGROKDECODE_MINOR_VERSION)
-AC_SUBST(LIBSIGROKDECODE_MICRO_VERSION)
-AC_SUBST(LIBSIGROKDECODE_VERSION)
-
-AC_DEFINE(LIBSIGROKDECODE_MAJOR_VERSION, [libsigrokdecode_major_version],
- [Define to the libsigrokdecode major package version])
-AC_DEFINE(LIBSIGROKDECODE_MINOR_VERSION, [libsigrokdecode_minor_version],
- [Define to the libsigrokdecode minor package version])
-AC_DEFINE(LIBSIGROKDECODE_MICRO_VERSION, [libsigrokdecode_micro_version],
- [Define to the libsigrokdecode micro package version])
-AC_DEFINE(LIBSIGROKDECODE_VERSION, [libsigrokdecode_version],
- [Define to the libsigrokdecode package version])
-
-AC_CONFIG_FILES([Makefile
- libsigrokdecode.pc
- decoders/Makefile
- ])
+SRD_PACKAGE_VERSION_MAJOR=srd_package_version_major
+SRD_PACKAGE_VERSION_MINOR=srd_package_version_minor
+SRD_PACKAGE_VERSION_MICRO=srd_package_version_micro
+SRD_PACKAGE_VERSION=srd_package_version
+
+AC_SUBST(SRD_PACKAGE_VERSION_MAJOR)
+AC_SUBST(SRD_PACKAGE_VERSION_MINOR)
+AC_SUBST(SRD_PACKAGE_VERSION_MICRO)
+AC_SUBST(SRD_PACKAGE_VERSION)
+
+AC_SUBST(AM_CFLAGS)
+
+AC_CONFIG_FILES([Makefile version.h libsigrokdecode.pc])
AC_OUTPUT
echo
echo "libsigrokdecode configuration summary:"
echo
-echo " - Package version (major.minor.micro): $LIBSIGROKDECODE_VERSION"
-echo " - Library version (current:revision:age): $LIBSIGROKDECODE_LT_VERSION"
+echo " - Package version (major.minor.micro): $SRD_PACKAGE_VERSION"
+echo " - Library version (current:revision:age): $SRD_LIB_VERSION"
echo " - Prefix: $prefix"
+echo " - Building on: $build"
+echo " - Building for: $host"
echo
echo "Detected libraries:"
echo
+if test "x$pyver" = "xnone"; then
+ echo " - (REQUIRED) python >= 3.2: no"
+else
+ echo " - (REQUIRED) python >= 3.2: yes ($pyver)"
+fi
+
# Note: This only works for libs with pkg-config integration.
-for lib in "glib-2.0"; do
- if `$PKG_CONFIG --exists $lib`; then
- ver=`$PKG_CONFIG --modversion $lib`
- answer="yes ($ver)"
- else
- answer="no"
- fi
- echo " - $lib: $answer"
+for lib in "glib-2.0 >= 2.24.0" "check >= 0.9.4"; do
+ optional="OPTIONAL"
+ if test "x$lib" = "xglib-2.0 >= 2.24.0"; then optional="REQUIRED"; fi
+ if `$PKG_CONFIG --exists $lib`; then
+ ver=`$PKG_CONFIG --modversion $lib`
+ answer="yes ($ver)"
+ else
+ answer="no"
+ fi
+ echo " - ($optional) $lib: $answer"
done
echo
-echo "Detected Python:"
+echo "Enabled features:"
echo
-echo " - Python CPPFLAGS: $CPPFLAGS_PYTHON"
-echo " - Python LDFLAGS: $LDFLAGS_PYTHON"
+echo " - (OPTIONAL) Library unit test framework support: $have_check"
echo