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| author | Roland McGrath <roland@hack.frob.com> | 2011-07-16 03:10:06 -0700 |
|---|---|---|
| committer | Roland McGrath <roland@hack.frob.com> | 2011-07-16 03:10:06 -0700 |
| commit | db290cf59207aff09d1794e666e2854a93775f32 (patch) | |
| tree | 958bfef6730db728842232b19b8875a0615e8a93 | |
| parent | fd5e21c75d8e9221d766f4bc922a237265514ec2 (diff) | |
| download | glibc-db290cf59207aff09d1794e666e2854a93775f32.zip glibc-db290cf59207aff09d1794e666e2854a93775f32.tar.gz glibc-db290cf59207aff09d1794e666e2854a93775f32.tar.bz2 | |
Never use -mpreferred-stack-boundary=2 on i386, now disallowed by GCC.
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/i386/Makefile | 5 |
2 files changed, 8 insertions, 2 deletions
@@ -1,4 +1,7 @@ -2011-07-02 Roland McGrath <roland@hack.frob.com> +2011-07-16 Roland McGrath <roland@hack.frob.com> + + * sysdeps/i386/Makefile: Never use -mpreferred-stack-boundary=2, + now disallowed by GCC. * configure.in (use-default-link): Default to yes if a test -shared link meets our qualifications. diff --git a/sysdeps/i386/Makefile b/sysdeps/i386/Makefile index 3d9f3fc..661473e 100644 --- a/sysdeps/i386/Makefile +++ b/sysdeps/i386/Makefile @@ -30,13 +30,16 @@ endif # than 4 bytes. # Lots of routines in math will use FPU, so make math subdir an exception # here. +# In gcc 4.6 (and maybe earlier?) giving -mpreferred-stack-boundary=2 is +# an error, so don't try to reduce it here like we used to. We still +# explicit set -mpreferred-stack-boundary=4 the places where it matters, +# in case an older compiler defaulted to 2. ifeq ($(subdir),math) sysdep-CFLAGS += -mpreferred-stack-boundary=4 else ifeq ($(subdir),csu) sysdep-CFLAGS += -mpreferred-stack-boundary=4 else -sysdep-CFLAGS += -mpreferred-stack-boundary=2 # Likewise, any function which calls user callbacks uses-callbacks += -mpreferred-stack-boundary=4 # Likewise, any stack alignment tests |