js: fix configure

use autoconf to generate jsautocfg.h instead of preparing
different headers for different archs

size_of and align_of tests also work under cross-compilation.

Signed-off-by: Qing He <qing.he@intel.com>

3 files changed, 102 insertions, 49 deletions

diff --git a/meta/packages/js/files/configure.ac b/meta/packages/js/files/configure.ac
new file mode 100644
index 0000000000..41af298455
--- /dev/null
+++ b/meta/packages/js/files/configure.ac
@@ -0,0 +1,28 @@
+AC_INIT
+
+AC_CHECK_SIZEOF([char])
+AC_CHECK_SIZEOF([short])
+AC_CHECK_SIZEOF([int])
+AC_CHECK_SIZEOF([int64_t])
+AC_CHECK_SIZEOF([long])
+AC_CHECK_SIZEOF([long long])
+AC_CHECK_SIZEOF([int *])
+AC_CHECK_SIZEOF([float])
+AC_CHECK_SIZEOF([double])
+
+AC_CHECK_ALIGNOF([char])
+AC_CHECK_ALIGNOF([short])
+AC_CHECK_ALIGNOF([int])
+AC_CHECK_ALIGNOF([int64_t])
+AC_CHECK_ALIGNOF([long])
+AC_CHECK_ALIGNOF([long long])
+AC_CHECK_ALIGNOF([int *])
+AC_CHECK_ALIGNOF([float])
+AC_CHECK_ALIGNOF([double])
+
+AC_C_BIGENDIAN
+
+AC_TYPE_LONG_LONG_INT
+
+AC_CONFIG_HEADER([conf.h])
+AC_OUTPUT
diff --git a/meta/packages/js/files/jsautocfg.h b/meta/packages/js/files/jsautocfg.h
index efaf807acc..16e38bf8d6 100644
--- a/meta/packages/js/files/jsautocfg.h
+++ b/meta/packages/js/files/jsautocfg.h
@@ -3,52 +3,72 @@
 
 /* AUTOMATICALLY GENERATED - DO NOT EDIT */
 
-#define IS_LITTLE_ENDIAN 1
-#undef  IS_BIG_ENDIAN
-
-#define JS_BYTES_PER_BYTE   1L
-#define JS_BYTES_PER_SHORT  2L
-#define JS_BYTES_PER_INT    4L
-#define JS_BYTES_PER_INT64  8L
-#define JS_BYTES_PER_LONG   8L
-#define JS_BYTES_PER_FLOAT  4L
-#define JS_BYTES_PER_DOUBLE 8L
-#define JS_BYTES_PER_WORD   4L
-#define JS_BYTES_PER_DWORD  8L
+#include "../conf.h"
+
+#ifdef WORDS_BIGENDIAN
+# undef  IS_LITTLE_ENDIAN
+# define IS_BIG_ENDIAN 1
+#else
+# define IS_LITTLE_ENDIAN 1
+# undef  IS_BIG_ENDIAN
+#endif
+
+#define __I_LOG2(n) (    \
+        ((n) == 1)?   0: \
+        ((n) == 2)?   1: \
+        ((n) == 4)?   2: \
+        ((n) == 8)?   3: \
+        ((n) == 16)?  4: \
+        ((n) == 32)?  5: \
+        ((n) == 64)?  6: \
+        ((n) == 128)? 7: \
+            -1)
+
+#define JS_BYTES_PER_BYTE   SIZEOF_CHAR
+#define JS_BYTES_PER_SHORT  SIZEOF_SHORT
+#define JS_BYTES_PER_INT    SIZEOF_INT
+#define JS_BYTES_PER_INT64  SIZEOF_INT64_T
+#define JS_BYTES_PER_LONG   SIZEOF_LONG
+#define JS_BYTES_PER_FLOAT  SIZEOF_FLOAT
+#define JS_BYTES_PER_DOUBLE SIZEOF_DOUBLE
+#define JS_BYTES_PER_WORD   SIZEOF_LONG
+#define JS_BYTES_PER_DWORD  SIZEOF_LONG_LONG
 
 #define JS_BITS_PER_BYTE    8L
-#define JS_BITS_PER_SHORT   16L
-#define JS_BITS_PER_INT     32L
-#define JS_BITS_PER_INT64   64L
-#define JS_BITS_PER_LONG    64L
-#define JS_BITS_PER_FLOAT   32L
-#define JS_BITS_PER_DOUBLE  64L
-#define JS_BITS_PER_WORD    32L
-
-#define JS_BITS_PER_BYTE_LOG2   3L
-#define JS_BITS_PER_SHORT_LOG2  4L
-#define JS_BITS_PER_INT_LOG2    5L
-#define JS_BITS_PER_INT64_LOG2  6L
-#define JS_BITS_PER_LONG_LOG2   6L
-#define JS_BITS_PER_FLOAT_LOG2  5L
-#define JS_BITS_PER_DOUBLE_LOG2 6L
-#define JS_BITS_PER_WORD_LOG2   3L
-
-#define JS_ALIGN_OF_SHORT   2L
-#define JS_ALIGN_OF_INT     4L
-#define JS_ALIGN_OF_LONG    8L
-#define JS_ALIGN_OF_INT64   8L
-#define JS_ALIGN_OF_FLOAT   4L
-#define JS_ALIGN_OF_DOUBLE  8L
-#define JS_ALIGN_OF_POINTER 8L
-#define JS_ALIGN_OF_WORD    4L
-
-#define JS_BYTES_PER_WORD_LOG2   2L
-#define JS_BYTES_PER_DWORD_LOG2  3L
-#define JS_WORDS_PER_DWORD_LOG2  0L
+#define JS_BITS_PER_SHORT   (JS_BITS_PER_BYTE * JS_BYTES_PER_SHORT)
+#define JS_BITS_PER_INT     (JS_BITS_PER_BYTE * JS_BYTES_PER_INT)
+#define JS_BITS_PER_INT64   (JS_BITS_PER_BYTE * JS_BYTES_PER_INT64)
+#define JS_BITS_PER_LONG    (JS_BITS_PER_BYTE * JS_BYTES_PER_LONG)
+#define JS_BITS_PER_FLOAT   (JS_BITS_PER_BYTE * JS_BYTES_PER_GLOAT)
+#define JS_BITS_PER_DOUBLE  (JS_BITS_PER_BYTE * JS_BYTES_PER_DOUBLE)
+#define JS_BITS_PER_WORD    (JS_BITS_PER_BYTE * JS_BYTES_PER_WORD)
+
+#define JS_BITS_PER_BYTE_LOG2   __I_LOG2(JS_BITS_PER_BYTE)
+#define JS_BITS_PER_SHORT_LOG2  __I_LOG2(JS_BITS_PER_BYTE)
+#define JS_BITS_PER_INT_LOG2    __I_LOG2(JS_BITS_PER_BYTE)
+#define JS_BITS_PER_INT64_LOG2  __I_LOG2(JS_BITS_PER_BYTE)
+#define JS_BITS_PER_LONG_LOG2   __I_LOG2(JS_BITS_PER_BYTE)
+#define JS_BITS_PER_FLOAT_LOG2  __I_LOG2(JS_BITS_PER_BYTE)
+#define JS_BITS_PER_DOUBLE_LOG2 __I_LOG2(JS_BITS_PER_BYTE)
+#define JS_BITS_PER_WORD_LOG2   __I_LOG2(JS_BITS_PER_BYTE)
+
+#define JS_ALIGN_OF_SHORT   ALIGNOF_SHORT
+#define JS_ALIGN_OF_INT     ALIGNOF_INT
+#define JS_ALIGN_OF_LONG    ALIGNOF_LONG
+#define JS_ALIGN_OF_INT64   ALIGNOF_INT64_T
+#define JS_ALIGN_OF_FLOAT   ALIGNOF_FLOAT
+#define JS_ALIGN_OF_DOUBLE  ALIGNOF_DOUBLE
+#define JS_ALIGN_OF_POINTER ALIGNOF_INT_P
+#define JS_ALIGN_OF_WORD    ALIGNOF_LONG
+
+#define JS_BYTES_PER_WORD_LOG2   __I_LOG2(JS_BYTES_PER_WORD)
+#define JS_BYTES_PER_DWORD_LOG2  __I_LOG2(JS_BYTES_PER_DWORDS)
+#define JS_WORDS_PER_DWORD_LOG2  __I_LOG2(JS_BYTES_PER_DWORDS / JS_BYTES_PER_WORD)
 
 #define JS_STACK_GROWTH_DIRECTION (-1)
 
-#define JS_HAVE_LONG_LONG
+#ifdef HAVE_LONG_LONG_INT
+# define JS_HAVE_LONG_LONG
+#endif
 
 #endif /* js_cpucfg___ */
diff --git a/meta/packages/js/js_1.7.0+1.8.0rc1.bb b/meta/packages/js/js_1.7.0+1.8.0rc1.bb
index 36ad11d1f6..97cba90d03 100644
--- a/meta/packages/js/js_1.7.0+1.8.0rc1.bb
+++ b/meta/packages/js/js_1.7.0+1.8.0rc1.bb
@@ -5,26 +5,31 @@ SECTION = "libs"
 # the package is licensed under either of the following
 LICENSE = "MPL1.1 | GPLv2+ | LGPLv2.1+"
 LIC_FILES_CHKSUM = "file://jsapi.c;beginline=4;endline=39;md5=347c6bbf4fb4547de1fa5ad830030063"
-PR = "r0"
+PR = "r1"
 
 SRC_URI = "http://ftp.mozilla.org/pub/mozilla.org/js/js-1.8.0-rc1.tar.gz \
            file://link_with_gcc.patch \
            file://usepic.patch \
            file://buildcc.patch;striplevel=2 \
-           file://jsautocfg.h"
+           file://jsautocfg.h \
+           file://configure.ac"
 
 S = "${WORKDIR}/js/src"
 
+# use local autoconf script to generate a usable jsautocfg.h
+# don't bother with automake
+inherit autotools
+
+do_configure_prepend() {
+	cp -f ${WORKDIR}/configure.ac ${S}
+	cp -f ${WORKDIR}/jsautocfg.h ${S}
+}
+
 EXTRA_OEMAKE = "'CC=${CC}' 'LD=${LD}' 'XCFLAGS=${CFLAGS}' 'XLDFLAGS=${LDFLAGS} -Wl,-soname=libjs' \
                 'BUILD_CC=${BUILD_CC}' 'BUILD_CFLAGS=${BUILD_CFLAGS}' 'BUILD_LDFLAGS=${BUILD_LDFLAGS}'"
 
 PARALLEL_MAKE = ""
 
-# XXX: this is only guaranteed to work for i386 targets!
-do_compile_prepend() {
-	cp ${WORKDIR}/jsautocfg.h ${S}/
-}
-
 do_compile() {
 	oe_runmake -f Makefile.ref JS_EDITLINE=1 PREBUILT_CPUCFG=1 BUILD_OPT=1
 }