aboutsummaryrefslogtreecommitdiffstats
path: root/bs/cross-arch.sh
diff options
context:
space:
mode:
Diffstat (limited to '')
-rwxr-xr-xbs/cross-arch.sh82
1 files changed, 0 insertions, 82 deletions
diff --git a/bs/cross-arch.sh b/bs/cross-arch.sh
deleted file mode 100755
index c520433a5..000000000
--- a/bs/cross-arch.sh
+++ /dev/null
@@ -1,82 +0,0 @@
-#!/bin/sh
-# many parts of this blatantly ripped from GNU Autoconf macros
-# Use this for cross-compiling, as we can't run cross-compiled binaries
-# on our host.
-if test -z "$O" || ! cd "$O"; then
- echo '$O= not defined or not a directory' >&2
- exit 1
-fi
-
-echo '/* architecture-specific settings (auto-detected): */'
-# check sizes of various types we care for
-# this is slightly slower but much easier to read and follow than the
-# bisecting autoconf version
-for t in short int long 'long long'; do
- > out
- for s in 2 4 6 8 12 1 16 24 32 0; do
- cat > t.c <<EOF
-int main(void)
-{
- static int x[(long int)(sizeof($t)) == $s ? 1 : -1];
- x[0] = 0;
- return 0;
-}
-EOF
- echo "trying sizeof($t) == $s" >> out
- $CC -o t.o $CFLAGS $CPPFLAGS t.c \
- >> out 2>&1 && break
- done
- if test $s -eq 0; then
- echo "Unable to calculate sizeof($t) for cross-compiling" >&2
- cat out >&2
- exit 1
- fi
- t=`echo $t | tr a-z A-Z | tr ' ' _`
- echo "#define SIZEOF_$t $s"
- echo "SIZEOF_$t := $s" >> config_detected.mk
-done
-
-# check endian-ness
-cat > t.c <<EOF
-short ascii_mm[] = { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
-short ascii_ii[] = { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
-void _ascii(void)
-{
- char *s = (char *)ascii_mm;
- s = (char *)ascii_ii;
-}
-
-short ebcdic_ii[] = { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
-short ebcdic_mm[] = { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
-void _ebcdic(void)
-{
- char *s = (char *)ebcdic_mm;
- s = (char *)ebcdic_ii;
-}
-
-int main(void)
-{
- _ascii();
- _ebcdic();
-
- return 0;
-}
-EOF
-
-echo "compiling endian test" > out
-$CC -o t.o $CFLAGS $CPPFLAGS t.c >> out 2>&1
-if grep BIGenDianSyS t.o >/dev/null 2>&1; then
- echo "#define WORDS_BIGENDIAN 1"
- echo "WORDS_BIGENDIAN := 1" >> config_detected.mk
-elif grep LiTTleEnDian t.o >/dev/null 2>&1; then
- echo "/* #undef WORDS_BIGENDIAN */"
- echo "# WORDS_BIGENDIAN :=" >> config_detected.mk
-else
- echo "Unable to determine endian-ness for cross compiling" >&2
- cat out >&2
- exit 1
-fi
-
-echo ''
-
-exec rm -f t.o out t.c