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configure: allow checking multiple functions in check_func_headers()

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This makes it possible to pass a space-separated list of functions
to check_func_headers and check_lib2.  If any function is missing,
none are enabled as available, so this should only be used for
all-or-nothing sets, i.e. groups in which none will be used if any
one is missing.

Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard 2011-03-07 02:49:55 +00:00
parent 35d7d6f748
commit edaf1ae276
1 changed files with 12 additions and 15 deletions
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27
configure vendored
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@ -699,20 +699,17 @@ EOF
check_func_headers(){
log check_func_headers "$@"
headers=$1
func=$2
funcs=$2
shift 2
disable $func
incs=""
for hdr in $headers; do
incs="$incs
#include <$hdr>"
done
check_ld "$@" <<EOF && enable $func && enable_safe $headers
$incs
int main(int argc, char **argv){
return (long) $func;
}
EOF
{
for hdr in $headers; do
echo "#include <$hdr>"
done
for func in $funcs; do
echo "long check_$func(void) { return (long) $func; }"
done
echo "int main(void) { return 0; }"
} | check_ld "$@" && enable $funcs && enable_safe $headers
}
check_cpp_condition(){
@ -739,9 +736,9 @@ check_lib(){
check_lib2(){
log check_lib2 "$@"
headers="$1"
func="$2"
funcs="$2"
shift 2
check_func_headers "$headers" $func "$@" && add_extralibs "$@"
check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
}
check_exec(){