diff options
| author | Tom Lane | 2019-10-21 17:52:25 +0000 |
|---|---|---|
| committer | Tom Lane | 2019-10-21 17:52:25 +0000 |
| commit | d995fd667f6d22307864afe18ae91950b23b5b53 (patch) | |
| tree | 12474c127fe83f148321cf0c57e64d88d9158ede /configure | |
| parent | 44273ce4f664a1bb34ef8ea9359237344cd6aaec (diff) | |
Use CFLAGS_SL while probing linkability of libperl.
On recent Red Hat platforms (at least RHEL 8 and Fedora 30, maybe older),
configure's probe for libperl failed if the user forces CFLAGS to be -O0.
This is because some code in perl's inline.h fails to be optimized away
at -O0, and said code doesn't work if compiled without -fPIC.
To fix, add CFLAGS_SL to the compile flags used during the libperl probe.
This is a better simulation of the way that plperl is built, anyway,
so it might forestall other issues in future.
Per gripe from Kyotaro Horiguchi. Back-patch to all supported branches,
since people might want to build older branches on these platforms.
Discussion: https://postgr.es/m/20191010.144533.263180400.horikyota.ntt@gmail.com
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 5 |
1 files changed, 5 insertions, 0 deletions
@@ -18490,6 +18490,10 @@ fi # On most platforms, if perl.h is there then libperl.so will be too, but at # this writing Debian packages them separately. There is no known reason to # waste cycles on separate probes for the Tcl or Python libraries, though. + # On some Red Hat platforms, the link attempt can fail if we don't use + # CFLAGS_SL while building the test program. + ac_save_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS $CFLAGS_SL" pgac_save_LIBS=$LIBS LIBS="$perl_embed_ldflags" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libperl" >&5 @@ -18519,6 +18523,7 @@ fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$pgac_save_LIBS + CFLAGS=$ac_save_CFLAGS CPPFLAGS=$ac_save_CPPFLAGS fi |