libphobos.exp (libphobos_init): Add multi-lib libgcc dirs to the ld_library_path var.

2019-09-03  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * testsuite/lib/libphobos.exp (libphobos_init): Add multi-lib libgcc 
        dirs to the ld_library_path var.

From-SVN: r275332

libphobos/ChangeLog

+2019-09-03  Bernd Edlinger  <bernd.edlinger@hotmail.de>
+
+	* testsuite/lib/libphobos.exp (libphobos_init): Add multi-lib libgcc
+	dirs to the ld_library_path var.
+
 2019-08-20  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	* libdruntime/Makefile.am (DRUNTIME_DSOURCES_BIONIC): Add

libphobos/testsuite/lib/libphobos.exp

@@ -170,6 +170,25 @@ proc libphobos_init { args } {
 	append ld_library_path ":${blddir}/src/.libs"
     }
 
+    # Compute what needs to be added to the existing LD_LIBRARY_PATH.
+    if {$gccdir != ""} {
+	set compiler ${gccdir}/gdc
+
+	if { [is_remote host] == 0 && [which $compiler] != 0 } {
+	  foreach i "[exec $compiler --print-multi-lib]" {
+	    set mldir ""
+	    regexp -- "\[a-z0-9=_/\.-\]*;" $i mldir
+	    set mldir [string trimright $mldir "\;@"]
+	    if { "$mldir" == "." } {
+	      continue
+	    }
+	    if { [llength [glob -nocomplain ${gccdir}/${mldir}/libgcc_s*.so.*]] >= 1 } {
+	      append ld_library_path ":${gccdir}/${mldir}"
+	    }
+	  }
+	}
+    }
+
     set_ld_library_path_env_vars
 
     libphobos_maybe_build_wrapper "${objdir}/testglue.o"