diff options
Diffstat (limited to 'recipes/perl/perl-5.10.1/arm-alignment.diff')
| -rw-r--r-- | recipes/perl/perl-5.10.1/arm-alignment.diff | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/recipes/perl/perl-5.10.1/arm-alignment.diff b/recipes/perl/perl-5.10.1/arm-alignment.diff new file mode 100644 index 0000000000..28038b7115 --- /dev/null +++ b/recipes/perl/perl-5.10.1/arm-alignment.diff @@ -0,0 +1,39 @@ +From: Niko Tyni <ntyni@debian.org> +Subject: Prevent gcc from optimizing the alignment test away on armel +Bug-Debian: http://bugs.debian.org/289884 +Author: Marc Pignat <marc.pignat@hevs.ch> +Origin: upstream, http://perl5.git.perl.org/perl.git/commit/f1c7503b9028d20741c9a01345ba8704998ea381 + +As hunted down by Marc Pignat, gcc optimizations make the check for +u32align (U32_ALIGNMENT_REQUIRED) a no-op on armel, breaking the MD5 +module. + +--- + Configure | 5 +++-- + 1 files changed, 3 insertions(+), 2 deletions(-) + +diff --git a/Configure b/Configure +index 01fa3c0..f39b2f9 100755 +--- a/Configure ++++ b/Configure +@@ -18533,6 +18533,7 @@ $cat <<EOM + + Checking to see whether you can access character data unalignedly... + EOM ++: volatile so that the compiler does not optimize the test away + case "$d_u32align" in + '') $cat >try.c <<EOCP + #include <stdio.h> +@@ -18549,8 +18550,8 @@ $signal_t bletch(int s) { exit(4); } + #endif + int main() { + #if BYTEORDER == 0x1234 || BYTEORDER == 0x4321 +- U8 buf[8]; +- U32 *up; ++ $volatile U8 buf[8]; ++ $volatile U32 *up; + int i; + + if (sizeof(U32) != 4) { +-- +tg: (daf8b46..) fixes/arm-alignment (depends on: upstream) |