diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 51 |
1 files changed, 31 insertions, 20 deletions
@@ -717,14 +717,22 @@ fi printf "Checking what C type we have for integers wider than \"long long\" ... " +broken128= +output=$($make conftest.ccver) +set -- $output +if [ "$1" = "gcc" ] ; then + gcc_version=$3 + save_ifs=$IFS ; IFS=. ; set -- $gcc_version ; IFS=$save_ifs + if [ $1 -lt 4 ] || [ $1 -eq 4 -a $2 -le 3 ] ; then + broken128=y + fi +fi + superlong= -# The C test is coded this way because on some GCC installation, -# the 128 bit type doesn't actually work for multiplying two long longs. -# On NetBSD. with gcc 4.1.3, the test case compile dies with an internal -# error. -for try_type in int128 int128_t __int128 __int128_t ; do - cat > conftest.c <<! +if [ -z "$broken128" ] ; then + for try_type in int128 int128_t __int128 __int128_t ; do + cat > conftest.c <<! #include "config.h" int main(void) { @@ -734,12 +742,13 @@ int main(void) } longlong_t a, b; ! - rm -f conftest.o - if $make conftest.o > conftest.err 2>&1 ; then - superlong=$try_type - break - fi -done + rm -f conftest.o + if $make conftest.o > conftest.err 2>&1 ; then + superlong=$try_type + break + fi + done +fi if [ -n "$superlong" ] ; then printf '"%s"\n' "$superlong" @@ -753,8 +762,9 @@ printf "Checking what C type we have for u. integers wider than \"long long\" .. usuperlong= -for try_type in uint128 uint128_t __uint128 __uint128_t ; do - cat > conftest.c <<! +if [ -z "$broken128" ] ; then + for try_type in uint128 uint128_t __uint128 __uint128_t ; do + cat > conftest.c <<! #include "config.h" int main(void) { @@ -764,12 +774,13 @@ int main(void) } longlong_t a, b; ! - rm -f conftest.o - if $make conftest.o > conftest.err 2>&1 ; then - usuperlong=$try_type - break - fi -done + rm -f conftest.o + if $make conftest.o > conftest.err 2>&1 ; then + usuperlong=$try_type + break + fi + done +fi if [ -n "$usuperlong" ] ; then printf '"%s"\n' "$usuperlong" |