X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=configure.ac;h=9d51e2e2411dc6b48d15601d2ebdd6c86cc09e43;hb=9834ab89cc80136e2e9f955ccd7037422dc2544a;hp=5f4780cdf6330a13ae02595c564f74ec7a53fe57;hpb=401685e62addfe47dccf09422a0137cd4184b0d2;p=lttng-ust.git

diff --git a/configure.ac b/configure.ac
index 5f4780cd..9d51e2e2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -39,6 +39,31 @@ version_description="New type of beer, 100% from Quebec, flavored with sapin bea
 AC_DEFINE_UNQUOTED([VERSION_NAME], [$version_name], [UST version name])
 AC_DEFINE_UNQUOTED([VERSION_DESCRIPTION], [$version_description], [UST version description])
 
+AC_PROG_GREP
+# libtool link_all_deplibs fixup. See http://bugs.lttng.org/issues/321.
+AC_ARG_ENABLE(libtool-linkdep-fixup,
+	AS_HELP_STRING([--disable-libtool-linkdep-fixup],
+			[disable the libtool fixup for linking all dependent libraries (link_all_deplibs)]),
+	libtool_fixup=$enableval,
+	libtool_fixup=yes)
+
+AS_IF([test "x$libtool_fixup" = "xyes"],
+	    [
+	    libtool_m4="$srcdir/config/libtool.m4"
+	    libtool_flag_pattern=".*link_all_deplibs\s*,\s*\$1\s*)"
+	    AC_MSG_CHECKING([for occurence(s) of link_all_deplibs = no in $libtool_m4])
+	    libtool_flag_pattern_count=$(grep -c "$libtool_flag_pattern\s*=\s*no" $libtool_m4)
+	    AS_IF([test $libtool_flag_pattern_count -ne 0],
+	    [
+		  AC_MSG_RESULT([$libtool_flag_pattern_count])
+		  AC_MSG_WARN([the detected libtool will not link all dependencies, forcing link_all_deplibs = unknown])
+		  sed -i "s/\($libtool_flag_pattern\)\s*=\s*no/\1=unknown/g" $libtool_m4
+		  ],
+		  [
+		  AC_MSG_RESULT([none])
+		  ])
+	    ])
+
 # Checks for programs.
 AC_PROG_CC
 AC_PROG_CXX