Merge commit 'c6ebc9faa2210d7f36a3036c357f6f199520f575'

* commit 'c6ebc9faa2210d7f36a3036c357f6f199520f575':
  configure: add check_insn function
  configure: clean up check_inline_asm and check_as functions

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-12-08 14:08:41 +01:00
commit 4f0cf62d5a

21
configure vendored
View File

@ -740,9 +740,9 @@ as_o(){
check_as(){
log check_as "$@"
cat > $TMPC
log_file $TMPC
check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPC
cat > $TMPS
log_file $TMPS
check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
}
check_inline_asm(){
@ -751,11 +751,17 @@ check_inline_asm(){
code="$2"
shift 2
disable $name
check_as "$@" <<EOF && enable $name
check_cc "$@" <<EOF && enable $name
void foo(void){ __asm__ volatile($code); }
EOF
}
check_insn(){
log check_insn "$@"
check_inline_asm ${1}_inline "\"$2\""
echo "$2" | check_as && enable ${1}_external || disable ${1}_external
}
check_yasm(){
log check_yasm "$@"
echo "$1" > $TMPS
@ -3611,8 +3617,13 @@ fi
if enabled asm; then
as=${gas:=$as}
check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
check_as <<EOF && enable gnu_as || \
$nogas "GNU assembler not found, install gas-preprocessor"
.macro m n
\n: .int 0
.endm
m x
EOF
fi
check_ldflags -Wl,--as-needed