Bugzilla Bug 323977: use the "mapfile" (ld version script) on FreeBSD.

Build the freebl shared libraries with the -Bsymbolic flag for GNU ld.
r=nelsonb.  Thanks to Glenn Randers-Pehrson <glennrp@imagemagick.org> for
reporting this bug and verifying these changes.
Modified files: coreconf/FreeBSD.mk nss/lib/freebl/Makefile

security/coreconf/FreeBSD.mk

@@ -75,10 +75,10 @@ endif
 
 MKSHLIB			= $(CC) $(DSO_LDOPTS)
 ifdef MAPFILE
-# Add LD options to restrict exported symbols to those in the map file
+	MKSHLIB += -Wl,--version-script,$(MAPFILE)
 endif
-# Change PROCESS to put the mapfile in the correct format for this platform
-PROCESS_MAP_FILE = cp $< $@
+PROCESS_MAP_FILE = grep -v ';-' $< | \
+        sed -e 's,;+,,' -e 's; DATA ;;' -e 's,;;,,' -e 's,;.*,;,' > $@
 
 G++INCLUDES		= -I/usr/include/g++
 

security/nss/lib/freebl/Makefile

@@ -188,6 +188,17 @@ endif
 endif
 endif
 
+# The blapi functions are defined not only in the freebl shared
+# libraries but also in the shared libraries linked with loader.c
+# (libsoftokn3.so and libssl3.so).  We need to use GNU ld's
+# -Bsymbolic option or the equivalent option for other linkers
+# to bind the blapi function references in FREEBLVector vector
+# (ldvector.c) to the blapi functions defined in the freebl
+# shared libraries.
+ifeq (,$(filter-out BSD_OS FreeBSD Linux NetBSD, $(OS_TARGET)))
+    MKSHLIB += -Wl,-Bsymbolic
+endif
+
 ifeq ($(OS_TARGET),SunOS)
 
 # The -R '$ORIGIN' linker option instructs this library to search for its