Add --enable-backend

5 files changed, 102 insertions, 18 deletions

diff --git a/configure.ac b/configure.ac
index 2c5ca6a..f9523be 100644
--- a/configure.ac
+++ b/configure.ac
@@ -22,6 +22,7 @@ AC_LIBTOOL_WIN32_DLL
 AC_LIBTOOL_TAGS([])
 AC_PROG_LIBTOOL
 AM_PROG_AS
+AC_CONFIG_MACRO_DIR([m4])
 
 AC_CONFIG_SRCDIR([orc/orc.h])
 
@@ -108,6 +109,56 @@ case "${host_os}" in
     ;;
 esac
 
+AC_ARG_ENABLE(backend,
+  AC_HELP_STRING([--enable-backend=[sse,mmx,neon,arm,all]], [include backend (default=all)]),
+    [], [enable_backend=all])
+case "${enable_backend}" in
+  sse)
+    ENABLE_BACKEND_SSE=yes
+    AC_DEFINE(ENABLE_BACKEND_SSE, 1, [Enable SSE backend])
+    ;;
+  mmx)
+    ENABLE_BACKEND_MMX=yes
+    AC_DEFINE(ENABLE_BACKEND_MMX, 1, [Enable MMX backend])
+    ;;
+  altivec)
+    ENABLE_BACKEND_ALTIVEC=yes
+    AC_DEFINE(ENABLE_BACKEND_ALTIVEC, 1, [Enable Altivec backend])
+    ;;
+  neon)
+    ENABLE_BACKEND_NEON=yes
+    AC_DEFINE(ENABLE_BACKEND_NEON, 1, [Enable NEON backend])
+    ;;
+  arm)
+    ENABLE_BACKEND_ARM=yes
+    AC_DEFINE(ENABLE_BACKEND_ARM, 1, [Enable Arm backend])
+    ;;
+  c64x)
+    ENABLE_BACKEND_C64X=yes
+    AC_DEFINE(ENABLE_BACKEND_C64X, 1, [Enable c64x backend])
+    ;;
+  all|auto)
+    ENABLE_BACKEND_SSE=yes
+    AC_DEFINE(ENABLE_BACKEND_SSE, 1, [Enable SSE backend])
+    ENABLE_BACKEND_MMX=yes
+    AC_DEFINE(ENABLE_BACKEND_MMX, 1, [Enable MMX backend])
+    ENABLE_BACKEND_ALTIVEC=yes
+    AC_DEFINE(ENABLE_BACKEND_ALTIVEC, 1, [Enable Altivec backend])
+    ENABLE_BACKEND_NEON=yes
+    AC_DEFINE(ENABLE_BACKEND_NEON, 1, [Enable NEON backend])
+    ENABLE_BACKEND_ARM=yes
+    AC_DEFINE(ENABLE_BACKEND_ARM, 1, [Enable Arm backend])
+    ENABLE_BACKEND_C64X=yes
+    AC_DEFINE(ENABLE_BACKEND_C64X, 1, [Enable c64x backend])
+    ;;
+esac
+AM_CONDITIONAL(ENABLE_BACKEND_SSE, test "x$ENABLE_BACKEND_SSE" = "xyes")
+AM_CONDITIONAL(ENABLE_BACKEND_MMX, test "x$ENABLE_BACKEND_MMX" = "xyes")
+AM_CONDITIONAL(ENABLE_BACKEND_ALTIVEC, test "x$ENABLE_BACKEND_ALTIVEC" = "xyes")
+AM_CONDITIONAL(ENABLE_BACKEND_NEON, test "x$ENABLE_BACKEND_NEON" = "xyes")
+AM_CONDITIONAL(ENABLE_BACKEND_ARM, test "x$ENABLE_BACKEND_ARM" = "xyes")
+AM_CONDITIONAL(ENABLE_BACKEND_C64X, test "x$ENABLE_BACKEND_C64X" = "xyes")
+
 
 AC_DEFINE(ORC_EXPORTS, 1, [Defined for compiling internal code])
 
diff --git a/examples/Makefile.am b/examples/Makefile.am
index 672ae36..921c980 100644
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -1,5 +1,9 @@
 
-orcbin_PROGRAMS = example1 mt19937ar volscale
+orcbin_PROGRAMS = example1 mt19937ar
+
+if ENABLE_BACKEND_MMX
+orcbin_PROGRAMS += volscale
+endif
 
 AM_LDFLAGS = $(ORC_LIBS)
 AM_CFLAGS = $(ORC_CFLAGS)
diff --git a/orc/Makefile.am b/orc/Makefile.am
index 3d6fa42..45b2dd6 100644
--- a/orc/Makefile.am
+++ b/orc/Makefile.am
@@ -18,28 +18,42 @@ liborc_@ORC_MAJORMINOR@_la_SOURCES = \
 	orccodemem.c \
 	orcprogram.c \
 	orccompiler.c \
-	orcprogram-arm.c \
 	orcprogram-c.c \
-	orcprogram-c64x-c.c \
-	orcprogram-altivec.c \
-	orcprogram-mmx.c \
-	orcprogram-sse.c \
 	orcprogram.h \
 	orcopcodes.c \
 	orcparse.c \
 	orconce.c \
-	orcrules-altivec.c \
-	orcrules-mmx.c \
-	orcrules-sse.c \
-	orcrules-arm.c \
-	orcprogram-neon.c \
-	orcrules-neon.c \
-	orcdebug.c \
-	orcpowerpc.c \
-	orcsse.c \
-	orcmmx.c \
-	orcx86.c \
-	orcarm.c
+	orcdebug.c
+
+if ENABLE_BACKEND_SSE
+liborc_@ORC_MAJORMINOR@_la_SOURCES += orcsse.c orcrules-sse.c orcprogram-sse.c
+liborc_@ORC_MAJORMINOR@_la_SOURCES += orcx86.c
+endif
+if ENABLE_BACKEND_MMX
+liborc_@ORC_MAJORMINOR@_la_SOURCES += orcmmx.c orcrules-mmx.c orcprogram-mmx.c 
+if ENABLE_BACKEND_SSE
+else
+liborc_@ORC_MAJORMINOR@_la_SOURCES += orcx86.c
+endif
+endif
+if ENABLE_BACKEND_ALTIVEC
+liborc_@ORC_MAJORMINOR@_la_SOURCES += \
+	orcrules-altivec.c orcprogram-altivec.c orcpowerpc.c
+endif
+if ENABLE_BACKEND_NEON
+liborc_@ORC_MAJORMINOR@_la_SOURCES += orcprogram-neon.c orcrules-neon.c
+liborc_@ORC_MAJORMINOR@_la_SOURCES += orcarm.c
+endif
+if ENABLE_BACKEND_ARM
+liborc_@ORC_MAJORMINOR@_la_SOURCES += orcprogram-arm.c orcrules-arm.c
+if ENABLE_BACKEND_NEON
+else
+liborc_@ORC_MAJORMINOR@_la_SOURCES += orcarm.c
+endif
+endif
+if ENABLE_BACKEND_C64X
+liborc_@ORC_MAJORMINOR@_la_SOURCES += orcprogram-c64x-c.c
+endif
 
 if HAVE_I386
 liborc_@ORC_MAJORMINOR@_la_SOURCES += orccpu-x86.c
@@ -65,6 +79,7 @@ pkginclude_HEADERS = \
 	orconce.h \
 	orcsse.h \
 	orcmmx.h \
+	orcneon.h \
 	orcx86.h \
 	orcpowerpc.h \
 	orcarm.h
diff --git a/orc/orc.c b/orc/orc.c
index 829fe1e..ff0655a 100644
--- a/orc/orc.c
+++ b/orc/orc.c
@@ -38,11 +38,23 @@ orc_init (void)
   _orc_once_init();
   orc_opcode_init();
   orc_c_init();
+#ifdef ENABLE_BACKEND_C64X
   orc_c64x_c_init();
+#endif
+#ifdef ENABLE_BACKEND_MMX
   orc_mmx_init();
+#endif
+#ifdef ENABLE_BACKEND_SSE
   orc_sse_init();
+#endif
+#ifdef ENABLE_BACKEND_ALTIVEC
   orc_powerpc_init();
+#endif
+#ifdef ENABLE_BACKEND_ARM
   orc_arm_init();
+#endif
+#ifdef ENABLE_BACKEND_NEON
   orc_neon_init();
+#endif
 }
 
diff --git a/testsuite/Makefile.am b/testsuite/Makefile.am
index 8eac198..50727c3 100644
--- a/testsuite/Makefile.am
+++ b/testsuite/Makefile.am
@@ -27,12 +27,14 @@ EXTRA_DIST = test.orc
 
 CLEANFILES = temp-orc-test-*
 
+if ENABLE_BACKEND_NEON
 TESTS += compile_opcodes_sys_neon \
 	compile_opcodes_float_neon \
 	compile_parse_neon
 noinst_PROGRAMS += compile_opcodes_sys_neon \
 	compile_opcodes_float_neon \
 	compile_parse_neon
+endif
 
 AM_CFLAGS = $(ORC_CFLAGS) -I/usr/local/include/liboil-0.3/
 LIBS = $(ORC_LIBS) $(top_builddir)/orc-test/liborc-test-@ORC_MAJORMINOR@.la -loil-0.3