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| author | imp <imp@FreeBSD.org> | 2014-03-25 22:32:13 +0000 |
|---|---|---|
| committer | imp <imp@FreeBSD.org> | 2014-03-25 22:32:13 +0000 |
| commit | 64cb2c82c7e337096ffdcfd09598282f9c3fcf59 (patch) | |
| tree | 9c04a894e841e9e1f3d0a2618fe87f2854eda25c | |
| parent | bd031ca10c83a98ddff5518137ae075a066b02de (diff) | |
| download | FreeBSD-src-64cb2c82c7e337096ffdcfd09598282f9c3fcf59.zip FreeBSD-src-64cb2c82c7e337096ffdcfd09598282f9c3fcf59.tar.gz | |
Add a '*' to the M modifier string so we match any -gdwarf string (even
though it works w/o it for some reason, contrary to our reading of
make(1)). Also add a comment explaining things a bit better so there's
one less mystery that must be answered with svn blame.
Submitted by: ian@
| -rw-r--r-- | sys/conf/kern.mk | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/conf/kern.mk b/sys/conf/kern.mk index 6b8a3dd..1ba7ec3 100644 --- a/sys/conf/kern.mk +++ b/sys/conf/kern.mk @@ -164,8 +164,10 @@ CFLAGS+= -fstack-protector .endif # -# Add -gdwarf-2 when compiling -g +# Add -gdwarf-2 when compiling -g on clang. The default starting in v3.4 +# is to generate DWARF version 4. However, our tools don't cope well with +# DWARF 4, so force it to genereate DWARF2, which they understand. # -.if ${COMPILER_TYPE} == "clang" && ${CFLAGS:M-g} != "" && ${CFLAGS:M-gdwarf} == "" +.if ${COMPILER_TYPE} == "clang" && ${CFLAGS:M-g} != "" && ${CFLAGS:M-gdwarf*} == "" CFLAGS+= -gdwarf-2 .endif |
