https://bugs.exim.org/show_bug.cgi?id=2578
Bug ID: 2578
Summary: fails to compile on Ubuntu 20.04 with --enable-jit
Product: PCRE
Version: 10.35 (PCRE2)
Hardware: x86
OS: Linux
Status: NEW
Severity: bug
Priority: medium
Component: Code
Assignee: p...@hermes.cam.ac.uk
Reporter: sy...@vulnscan.org
CC: pcre-dev@exim.org
Created attachment 1307
--> https://bugs.exim.org/attachment.cgi?id=1307&action=edit
configure and make output
CC src/libpcre2_8_la-pcre2_extuni.lo
CC src/libpcre2_8_la-pcre2_find_bracket.lo
CC src/libpcre2_8_la-pcre2_jit_compile.lo
In file included from src/sljit/sljitLir.h:81,
from src/sljit/sljitLir.c:27,
from src/pcre2_jit_compile.c:79:
src/sljit/sljitConfigInternal.h:219:2: error: #error "-mshstk is needed to
compile with -fcf-protection"
219 | #error "-mshstk is needed to compile with -fcf-protection"
| ^~~~~
make[1]: *** [Makefile:2403: src/libpcre2_8_la-pcre2_jit_compile.lo] Error 1
make[1]: Leaving directory '/home/syzop/pcre2-10.35'
make: *** [Makefile:1402: all] Error 2
This is with: ./configure --enable-jit --enable-shared && make
Ubuntu 20.04
gcc (Ubuntu 9.3.0-10ubuntu2) 9.3.0
In our buildbot tests it only fails on Ubuntu 20.04 with gcc, it does NOT fail
on the same machine with clang.
It also does NOT fail with clang or gcc on Ubuntu 18.04, Ubuntu 16.04, Debian
8, Debian 9, Debian 10, etc.
I guess it is because of the newer gcc shipped with Ubuntu 20.04, which
includes something that configure did not yet take into account?
PCRE2 10.34 did not have this issue.
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