diff options
Diffstat (limited to 'configure')
-rwxr-xr-x | configure | 37 |
1 files changed, 37 insertions, 0 deletions
@@ -542,6 +542,8 @@ CONFIG_LIST=' bktr dc1394 dv1394 + ebp_available + ebx_available ffmpeg ffplay ffserver @@ -1190,6 +1192,10 @@ ar="${cross_prefix}${ar}" ranlib="${cross_prefix}${ranlib}" strip="${cross_prefix}${strip}" +# Disable core dumps so that intentional execution of broken apps doesn't +# pollute the current directory. +ulimit -c 0 + # we need to build at least one lib type if disabled_all static shared; then cat <<EOF @@ -1391,6 +1397,37 @@ if test "$?" != 0; then die "C compiler test failed." fi +if test $arch = "x86_32" -o $arch = "x86_64"; then + if test "$targetos" = "mingw32" -o "$targetos" = "CYGWIN"; then + cat <<EOF +WARNING: The following test might cause a testapp to crash (intentionally) +resulting in the appearance of a dialog box. Please click "Don't send" and +ignore it. +EOF + fi + + # check whether EBP is available on x86 + # As 'i' is stored on the stack, this program will crash + # if the base pointer is used to access it because the + # base pointer is cleared in the inline assembly code. + check_exec <<EOF && enable ebp_available +int main(){ + volatile int i=0; + asm volatile ( + "xorl %%ebp, %%ebp" + ::: "%ebp"); + return i; +} +EOF + + # check wether EBX is available on x86 + check_cc <<EOF && enable ebx_available +int main(){ + asm volatile ("":::"%ebx"); +} +EOF +fi + # check for assembler specific support if test $arch = "powerpc"; then |