configure.ac: Use pkg-config to check for python

[libsigrokdecode.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 1728c60bf7e2d5a1f3c08244de01c91311fb17d2..deedd5c697dfc82f4ad8a9354a7eddeea8332a93 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -77,6 +77,9 @@ AC_SUBST(SRD_LIB_VERSION_AGE)
 AC_SUBST(SRD_LIB_VERSION)
 AC_SUBST(SRD_LIB_LDFLAGS)
 
+# assume we can build tests/runtc unless proven otherwise
+build_runtc="yes"
+
 # Checks for libraries.
 
 # libglib-2.0 is always needed.
@@ -86,10 +89,11 @@ AM_PATH_GLIB_2_0([2.24.0],
         [CFLAGS="$CFLAGS $GLIB_CFLAGS"; LIBS="$LIBS $GLIB_LIBS"])
 
 # Python support. We require at least Python >= 3.0.
-AC_ARG_VAR([PYTHON3_CONFIG], [path to python3-config utility])
-AC_CHECK_PROGS([PYTHON3_CONFIG], [python3-config python3.3-config python-config-3.3 python3.2-config python-config-3.2 python3.1-config python-config-3.1 python3.0-config python-config-3.0])
 CPPFLAGS_PYTHON=""
 LDFLAGS_PYTHON=""
+PKG_CHECK_MODULES([python3], [python3 >= 3.0],
+       [have_python3="yes"; CPPFLAGS_PYTHON="$python3_CFLAGS";
+       LDFLAGS_PYTHON="$python3_LIBS"], [have_python3="no"])
 case "$build" in
 *mingw*)
        # We currently hardcode the paths to the Python 3.2 default install
@@ -100,17 +104,8 @@ case "$build" in
        LDFLAGS_PYTHON="-L/c/Python32/libs -Lc:/Python32/libs -lpython32"
        ;;
 *)
-       # We know that Linux has 'python3-config'.
-       # 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.
-       # Everything else is untested, we just hope some $PYTHON3_CONFIG
-       # (i.e., any of the tools we check for above) is available.
-       if test -n "$PYTHON3_CONFIG"; then
-               CPPFLAGS_PYTHON="$($PYTHON3_CONFIG --includes)"
-               LDFLAGS_PYTHON="$($PYTHON3_CONFIG --ldflags)"
-       else
-               AC_MSG_ERROR([python3-config not found])
+       if test x"$have_python3" = xno; then
+               AC_MSG_ERROR([python3 not found])
        fi
        ;;
 esac
@@ -123,18 +118,16 @@ PKG_CHECK_MODULES([check], [check >= 0.9.4],
        LIBS="$LIBS $check_LIBS"], [have_check="no"])
 AM_CONDITIONAL(HAVE_CHECK, test x"$have_check" = "xyes")
 
+# Protocol decoder test framework
 PKG_CHECK_MODULES([libsigrok], [libsigrok >= 0.2.0],
-       [have_libsigrok="yes";
-               LIBSIGROK_CFLAGS="$libsigrok_CFLAGS";
-               LIBSIGROK_LIBS="$libsigrok_LIBS"],
-       [have_libsigrok="no"])
-AM_CONDITIONAL(HAVE_LIBSIGROK, test x"$have_libsigrok" = "xyes")
+       [LIBSIGROK_CFLAGS="$libsigrok_CFLAGS"; LIBSIGROK_LIBS="$libsigrok_LIBS"],
+       [build_runtc="no"])
 AC_SUBST([LIBSIGROK_CFLAGS])
 AC_SUBST([LIBSIGROK_LIBS])
 
 # Checks for header files.
 # These are already checked: inttypes.h stdint.h stdlib.h string.h unistd.h.
-# AC_CHECK_HEADERS([])
+AC_CHECK_HEADER([sys/resource.h], [], [build_runtc="no"])
 
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_INLINE
@@ -165,6 +158,8 @@ AC_SUBST(SRD_PACKAGE_VERSION_MINOR)
 AC_SUBST(SRD_PACKAGE_VERSION_MICRO)
 AC_SUBST(SRD_PACKAGE_VERSION)
 
+AM_CONDITIONAL(BUILD_RUNTC, test x"$build_runtc" = "xyes")
+
 AC_CONFIG_FILES([Makefile
                 version.h
                 libsigrokdecode.pc
@@ -182,6 +177,7 @@ echo "  - Library version (current:revision:age): $SRD_LIB_VERSION"
 echo "  - Prefix: $prefix"
 echo "  - Building on: $build"
 echo "  - Building for: $host"
+echo "  - Building protocol decoder test framework: $build_runtc"
 echo
 echo "Detected libraries:"
 echo