diff options
| -rw-r--r-- | config/ChangeLog | 10 | ||||
| -rw-r--r-- | config/bootstrap-ubsan.mk | 7 | ||||
| -rw-r--r-- | config/mh-darwin | 17 |
3 files changed, 31 insertions, 3 deletions
diff --git a/config/ChangeLog b/config/ChangeLog index cdc733c..e3f6f45 100644 --- a/config/ChangeLog +++ b/config/ChangeLog @@ -1,3 +1,13 @@ +2013-09-29 Iain Sandoe <iain@codesourcery.com> + + * mh-darwin (BOOT_CFLAGS): Only add -mdynamic-no-pic for m32 hosts. + (STAGE1_CFLAGS, STAGE1_LDFLAGS): New. + Fix over-length lines and amend comments. + +2013-08-30 Marek Polacek <polacek@redhat.com> + + * bootstrap-ubsan.mk: New. + 2013-03-27 Kai Tietz <ktietz@redhat.com> * dfp.m4: Add support for cygwin x64 target. diff --git a/config/bootstrap-ubsan.mk b/config/bootstrap-ubsan.mk new file mode 100644 index 0000000..2d21e83 --- /dev/null +++ b/config/bootstrap-ubsan.mk @@ -0,0 +1,7 @@ +# This option enables -fsanitize=undefined for stage2 and stage3. + +STAGE2_CFLAGS += -fsanitize=undefined +STAGE3_CFLAGS += -fsanitize=undefined +POSTSTAGE1_LDFLAGS += -fsanitize=undefined -static-libubsan -lpthread \ + -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/ubsan/ \ + -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/ubsan/.libs diff --git a/config/mh-darwin b/config/mh-darwin index 19bf265..a039f20 100644 --- a/config/mh-darwin +++ b/config/mh-darwin @@ -1,7 +1,18 @@ # The -mdynamic-no-pic ensures that the compiler executable is built without # position-independent-code -- the usual default on Darwin. This fix speeds # compiles by 3-5%. -BOOT_CFLAGS += -mdynamic-no-pic +BOOT_CFLAGS += \ +`case ${host} in i?86-*-darwin* | powerpc-*-darwin*) \ + echo -mdynamic-no-pic ;; esac;` -# Ensure we don't try and use -pie, as it is incompatible with pch. -BOOT_LDFLAGS += `case ${host} in *-*-darwin[1][1-9]*) echo -Wl,-no_pie ;; esac;` +# ld on Darwin versions >= 10.7 defaults to PIE executables. Disable this for +# gcc components, since it is incompatible with our pch implementation. +BOOT_LDFLAGS += \ +`case ${host} in *-*-darwin[1][1-9]*) echo -Wl,-no_pie ;; esac;` + +# Similarly, for cross-compilation. +STAGE1_CFLAGS += \ +`case ${host} in i?86-*-darwin* | powerpc-*-darwin*)\ + echo -mdynamic-no-pic ;; esac;` +STAGE1_LDFLAGS += \ +`case ${host} in *-*-darwin[1][1-9]*) echo -Wl,-no_pie ;; esac;` |