Port: Add support for linkers with no support for 'no-as-needed'

[babeltrace.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 4a8f58737a58407d558f1eddacc175a07f38e3de..eb19de3b0ec195af71045b78b537c976564c285d 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,8 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-AC_INIT([babeltrace],[1.2.3],[mathieu dot desnoyers at efficios dot com])
+AC_PREREQ([2.50])
+AC_INIT([babeltrace],[1.2.4],[mathieu dot desnoyers at efficios dot com])
 
 # Following the numbering scheme proposed by libtool for the library version
 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
@@ -28,11 +29,19 @@ LT_INIT
 AC_PROG_YACC
 AC_PROG_LEX
 
+# Check linker option
+AX_APPEND_LINK_FLAGS([-Wl,--no-as-needed], [LD_NO_AS_NEEDED])
+AC_SUBST([LD_NO_AS_NEEDED])
+
 if test ! -f "$srcdir/formats/ctf/metadata/ctf-parser.h"; then
         if test x"$YACC" != "xbison -y"; then
                 AC_MSG_ERROR([[bison not found and is required when building from git.
                 Please install bison]])
         fi
+        AC_PATH_PROG([BISON],[bison])
+        AX_PROG_BISON_VERSION([2.4], [],[
+                AC_MSG_ERROR([[Bison >= 2.4 is required when building from git]])
+        ])
 fi
 
 if test ! -f "$srcdir/formats/ctf/metadata/ctf-lexer.c"; then
@@ -40,6 +49,10 @@ if test ! -f "$srcdir/formats/ctf/metadata/ctf-lexer.c"; then
                 AC_MSG_ERROR([[flex not found and is required when building from git.
                 Please install flex]])
         fi
+        AC_PATH_PROG([FLEX],[flex])
+        AX_PROG_FLEX_VERSION([2.5.35], [],[
+                AC_MSG_ERROR([[Flex >= 2.5.35 is required when building from git]])
+        ])
 fi
 
 
@@ -53,7 +66,7 @@ AC_TYPE_SIZE_T
 # Checks for library functions.
 AC_FUNC_MALLOC
 AC_FUNC_MMAP
-AC_CHECK_FUNCS([bzero gettimeofday munmap strtoul])
+AC_CHECK_FUNCS([gettimeofday munmap strtoul])
 
 # Check for MinGW32.
 MINGW32=no
@@ -64,6 +77,9 @@ esac
 
 AM_CONDITIONAL([BABELTRACE_BUILD_WITH_MINGW], [test "x$MINGW32" = "xyes"])
 
+# Check what libraries are required on this platform to link sockets programs.
+AX_LIB_SOCKET_NSL
+
 # Check for libuuid
 AC_CHECK_LIB([uuid], [uuid_generate],
 [
@@ -122,6 +138,11 @@ if test "x${enable_python:-yes}" = xyes; then
   AX_PKG_SWIG($swig_version, [], [ AC_MSG_ERROR([SWIG $swig_version or newer is needed]) ])
   AM_PATH_PYTHON
 
+  AM_PATH_PYTHON_MODULES([PYTHON])
+  # pythondir is the path where extra modules are to be installed
+  pythondir=$PYTHON_PREFIX/$PYTHON_MODULES_PATH
+  # pyexecdir is the path that contains shared objects used by the extra modules
+  pyexecdir=$PYTHON_EXEC_PREFIX/$PYTHON_MODULES_PATH
   AC_ARG_VAR([PYTHON_INCLUDE], [Include flags for python, bypassing python-config])
   AC_ARG_VAR([PYTHON_CONFIG], [Path to python-config])
   AS_IF([test -z "$PYTHON_INCLUDE"], [