This patch is based on the following upstream patch

From 0027b072627aa9d3ada71c4374561966064ecd5a Mon Sep 17 00:00:00 2001

From: "M. Herdiansyah"

Date: Thu, 11 Jun 2020 19:40:24 +0700

Subject: [PATCH] Makefile: increase compatibility with bmake (#551)

--- Makefile.in.orig	2020-07-04 16:53:39 UTC

+++ Makefile.in

@@ -2012,7 +2012,7 @@ uninstall-am: uninstall-pkgconfigDATA uninstall-toolex

 @LIBFFI_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBFFI_BUILD_VERSIONED_SHLIB_TRUE@	 > $@ || (rm -f $@ ; exit 1)

 libffi.map: $(top_srcdir)/libffi.map.in

-	$(COMPILE) -D$(TARGET) -E -x assembler-with-cpp -o $@ $<

+	$(COMPILE) -D$(TARGET) -E -x assembler-with-cpp -o $@ $(top_srcdir)/libffi.map.in

 dist-hook:

 	d=`(cd $(distdir); pwd)`; (cd doc; make pdf; cp *.pdf $$d/doc)

--- configure.orig	2020-08-20 10:54:03 UTC

+++ configure

@@ -18545,17 +18545,11 @@ if ${libffi_cv_ro_eh_frame+:} false; then :

   $as_echo_n "(cached) " >&6

 else

-  	libffi_cv_ro_eh_frame=no

+  	libffi_cv_ro_eh_frame=yes

   	echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c

   	if $CC $CFLAGS -c -fpic -fexceptions -o conftest.o conftest.c > /dev/null 2>&1; then

-	    objdump -h conftest.o > conftest.dump 2>&1

-	    libffi_eh_frame_line=`grep -n eh_frame conftest.dump | cut -d: -f 1`

-	    if test "x$libffi_eh_frame_line" != "x"; then

-	        libffi_test_line=`expr $libffi_eh_frame_line + 1`p

-	        sed -n $libffi_test_line conftest.dump > conftest.line

-	        if grep READONLY conftest.line > /dev/null; then

-	            libffi_cv_ro_eh_frame=yes

-	        fi

+	    if readelf -WS conftest.o | grep -q -n 'eh_frame .* WA'; then

+	        libffi_cv_ro_eh_frame=no

 	    fi

   	fi

   	rm -f conftest.*

--- configure.host.orig	2019-11-22 17:55:36.000000000 -0600

+++ configure.host	2020-08-28 12:48:23.259024000 -0500

@@ -167,7 +167,7 @@ case "${host}" in

   mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*)

 	TARGET=MIPS; TARGETDIR=mips

 	;;

-  mips*-*linux* | mips*-*-openbsd*)

+  mips*-*linux* | mips*-*-openbsd* | mips*-*-freebsd*)

 	# Support 128-bit long double for NewABI.

 	HAVE_LONG_DOUBLE='defined(__mips64)'

 	TARGET=MIPS; TARGETDIR=mips

@@ -203,7 +203,11 @@ case "${host}" in

 	TARGET=POWERPC_FREEBSD; TARGETDIR=powerpc

 	HAVE_LONG_DOUBLE_VARIANT=1

 	;;

-  powerpc64-*-freebsd*)

+  powerpcspe-*-freebsd*)

+	TARGET=POWERPC_FREEBSD; TARGETDIR=powerpc

+	CFLAGS="$CFLAGS -D__NO_FPRS__"

+	;;

+  powerpc64-*-freebsd* | powerpc64le-*-freebsd*)

 	TARGET=POWERPC; TARGETDIR=powerpc

 	;;

   powerpc*-*-rtems*)

# Description: Fix abort() on ARM related to __clear_cache(). This is an issue

# for anything !apple that is using the libcompiler_rt provided by clang on ARM

# PR: ports/149167 ports/184517

# Patch by: cognet@ (to be upstreamed @ LLVM)

--- src/arm/ffi.c.orig	2019-10-31 14:49:54 UTC

+++ src/arm/ffi.c

@@ -55,6 +55,11 @@ extern unsigned int ffi_arm_trampoline[3] FFI_HIDDEN;

 #endif

 #endif

+#if defined(__FreeBSD__) && defined(__arm__)

+#include <sys/types.h>

+#include <machine/sysarch.h>

+#endif

+

 /* Forward declares. */

 static int vfp_type_p (const ffi_type *);

 static void layout_vfp_args (ffi_cif *);

@@ -568,6 +573,16 @@ void ffi_go_closure_SYSV (void) FFI_HIDDEN;

 void ffi_go_closure_VFP (void) FFI_HIDDEN;

 /* the cif must already be prep'ed */

+

+#if defined(__FreeBSD__) && defined(__arm__)

+#define __clear_cache(start, end) do { \

+		struct arm_sync_icache_args ua; 		\

+								\

+		ua.addr = (uintptr_t)(start);			\

+		ua.len = (char *)(end) - (char *)start;		\

+		sysarch(ARM_SYNC_ICACHE, &ua);			\

+	} while (0);

+#endif

 ffi_status

 ffi_prep_closure_loc (ffi_closure * closure,

diff --git ./src/mips/ffi.c.orig ./src/mips/ffi.c

index 03121e3..8b7881f 100644

--- ./src/mips/ffi.c.orig

+++ ./src/mips/ffi.c

@@ -38,7 +38,9 @@

 #endif

 #ifndef USE__BUILTIN___CLEAR_CACHE

-#  if defined(__OpenBSD__)

+#  if defined(__FreeBSD__)

+#    include <machine/sysarch.h>

+#  elif defined(__OpenBSD__)

 #    include <mips64/sysarch.h>

 #  else

 #    include <sys/cachectl.h>

@@ -729,11 +731,13 @@ ffi_prep_closure_loc (ffi_closure *closure,

   closure->fun = fun;

   closure->user_data = user_data;

+#if !defined(__FreeBSD__)

 #ifdef USE__BUILTIN___CLEAR_CACHE

   __builtin___clear_cache(clear_location, clear_location + FFI_TRAMPOLINE_SIZE);

 #else

   cacheflush (clear_location, FFI_TRAMPOLINE_SIZE, ICACHE);

 #endif

+#endif /* ! __FreeBSD__ */

   return FFI_OK;

 }

diff --git ./src/mips/ffitarget.h.orig ./src/mips/ffitarget.h

index 717d659..5a0c2b1 100644

--- ./src/mips/ffitarget.h.orig

+++ ./src/mips/ffitarget.h

@@ -41,7 +41,7 @@

 #define _MIPS_SIM_ABI32		1

 #define _MIPS_SIM_NABI32	2

 #define _MIPS_SIM_ABI64		3

-#elif !defined(__OpenBSD__)

+#elif !defined(__OpenBSD__) && !defined(__FreeBSD__)

 # include <sgidefs.h>

 #endif