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 349f8a16276215596e34bece1206d2dffdc3cb6f..eb19de3b0ec195af71045b78b537c976564c285d 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -29,6 +29,10 @@ 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.
@@ -45,6 +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
 
 
@@ -58,7 +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
@@ -69,6 +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],
 [