-SIGROKDECODE_LT_CURRENT=0
-SIGROKDECODE_LT_REVISION=0
-SIGROKDECODE_LT_AGE=0
-SIGROKDECODE_LT_VERSION="$SIGROKDECODE_LT_CURRENT:$SIGROKDECODE_LT_REVISION:$SIGROKDECODE_LT_AGE"
-SIGROKDECODE_LT_LDFLAGS="-version-info $SIGROKDECODE_LT_VERSION"
-AC_SUBST(SIGROKDECODE_LT_LDFLAGS)
-
-# Checks for libraries.
-
-# libglib-2.0 is always needed.
-# Note: glib-2.0 is part of the libsigrokdecode API
-# (hard pkg-config requirement).
-AM_PATH_GLIB_2_0([2.22.0],
- [CFLAGS="$CFLAGS $GLIB_CFLAGS"; LIBS="$LIBS $GLIB_LIBS"])
-
-# Python support. We require at least Python >= 3.0.
-CPPFLAGS_PYTHON=""
-LDFLAGS_PYTHON=""
-case "$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
-AC_SUBST(CPPFLAGS_PYTHON)
-AC_SUBST(LDFLAGS_PYTHON)
-
-# 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, "$datadir/sigrok/decoders")
-AC_SUBST(MAKEFLAGS, '--no-print-directory')
-AC_SUBST(AM_LIBTOOLFLAGS, '--silent')
-
-SIGROK_MAJOR_VERSION=sigrok_major_version
-SIGROK_MINOR_VERSION=sigrok_minor_version
-SIGROK_MICRO_VERSION=sigrok_micro_version
-SIGROK_VERSION=sigrok_version
-
-AC_SUBST(SIGROK_MAJOR_VERSION)
-AC_SUBST(SIGROK_MINOR_VERSION)
-AC_SUBST(SIGROK_MICRO_VERSION)
-AC_SUBST(SIGROK_VERSION)
-
-AC_DEFINE(SIGROK_MAJOR_VERSION, [sigrok_major_version],
- [Define to the sigrok major version])
-AC_DEFINE(SIGROK_MINOR_VERSION, [sigrok_minor_version],
- [Define to the sigrok minor version])
-AC_DEFINE(SIGROK_MICRO_VERSION, [sigrok_micro_version],
- [Define to the sigrok micro version])
-AC_DEFINE(SIGROK_VERSION, [sigrok_version],
- [Define to the sigrok version])
-
-AC_CONFIG_FILES([Makefile
- libsigrokdecode.pc
- decoders/Makefile
- ])
+SR_LIB_VERSION_SET([SRD_LIB_VERSION], [2:0:0])
+
+AM_CONDITIONAL([WIN32], [test -z "${host_os##mingw*}" || test -z "${host_os##cygwin*}"])
+
+############################
+## Package dependencies ##
+############################
+
+# Initialize pkg-config.
+# We require at least 0.22, as "Requires.private" behaviour changed there.
+PKG_PROG_PKG_CONFIG([0.22])
+
+# Collect the pkg-config module names of all dependencies in SRD_PKGLIBS.
+# These are used to derive the compiler flags and for the "Requires.private"
+# field in the generated libsigrokdecode.pc file.
+SRD_PKGLIBS=
+SRD_PKGLIBS_TESTS=
+
+# Keep track of all checked modules so we can list them at the end.
+SR_PKG_CHECK_SUMMARY([srd_pkglibs_summary])
+
+# Python 3 is always needed.
+SR_PKG_CHECK([python3], [SRD_PKGLIBS],
+ [python3 >= 3.2], [python-3.4 >= 3.4], [python-3.3 >= 3.3], [python-3.2 >= 3.2])
+AS_IF([test "x$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$PYTHON3" = x],
+ [AC_MSG_ERROR([Cannot find Python 3 interpreter.])])
+
+######################
+## Feature checks ##
+######################
+
+# Keep track of all checked modules so we can list them at the end.
+SR_PKG_CHECK_SUMMARY([srd_pkglibs_opt_summary])
+
+# The Check unit testing framework is optional. Disable if not found.
+SR_PKG_CHECK([check], [SRD_PKGLIBS_TESTS], [check >= 0.9.4])
+AM_CONDITIONAL([HAVE_CHECK], [test "x$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])
+
+AC_SYS_LARGEFILE
+
+##############################
+## 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 >= 2.28.0 $SRD_PKGLIBS])
+PKG_CHECK_MODULES([TESTS], [$SRD_PKGLIBS_TESTS 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])