diff options
| author | Warner Losh <imp@FreeBSD.org> | 2014-04-01 14:24:20 +0000 |
|---|---|---|
| committer | Warner Losh <imp@FreeBSD.org> | 2014-04-01 14:24:20 +0000 |
| commit | 647a9d043b5d16782ce8fbf76ae8e569245d1b1e (patch) | |
| tree | 28f499e3f8c02dae2b505988243e9f79a51a849c /sys | |
| parent | fffba3dbc239061e8fdf280f88ac17d2df09a3c0 (diff) | |
| download | src-test2-647a9d043b5d16782ce8fbf76ae8e569245d1b1e.tar.gz src-test2-647a9d043b5d16782ce8fbf76ae8e569245d1b1e.zip | |
Notes
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/conf/kern.mk | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/sys/conf/kern.mk b/sys/conf/kern.mk index 1ba7ec37de35..1571f8360512 100644 --- a/sys/conf/kern.mk +++ b/sys/conf/kern.mk @@ -164,10 +164,12 @@ CFLAGS+= -fstack-protector .endif # -# 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. +# Add -gdwarf-2 when compiling -g. The default starting in clang v3.4 +# and gcc 4.8 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. Do this unconditionally as it is harmless when not needed, +# but critical for these newer versions. # -.if ${COMPILER_TYPE} == "clang" && ${CFLAGS:M-g} != "" && ${CFLAGS:M-gdwarf*} == "" +.if ${CFLAGS:M-g} != "" && ${CFLAGS:M-gdwarf*} == "" CFLAGS+= -gdwarf-2 .endif |