On Wed, Nov 30, 2016 at 12:30 PM, Matthias Klose <d...@ubuntu.com> wrote: > On 30.11.2016 11:52, Jakub Jelinek wrote: >> On Wed, Nov 30, 2016 at 11:17:32AM +0100, Richard Biener wrote: >>> On Wed, Nov 30, 2016 at 11:06 AM, Matthias Klose <d...@ubuntu.com> wrote: >>>> On 30.11.2016 09:29, Andreas Schwab wrote: >>>>> configure: error: no --with-target-bdw-gc options and no bdw-gc >>>>> pkg-config module found >>>>> make[1]: *** [Makefile:19775: configure-target-libobjc] Error 1 >>>>> >>>>> Andreas. >>>> >>>> that's a bit terse. Could you send the complete output for the >>>> configuration of >>>> the libobjc subdir and the config.log? >>>> >>>> I assume that is a configuration with --enable-objc-gc and then the >>>> pkg-config >>>> module cannot be found. Are gc/gc.h and libgc.so in standard paths without >>>> having the bdw-gc pkg-config module available? Which libgc version is >>>> installed? >>> >>> I see the same failure with just >>> >>> ../configure --enable-languages=objc >>> >>> usually we disable languages (with a diagnostic) if requirements >>> cannot be fulfilled. >>> >>> But it seems the default chosen is bad somehow... (and breaks my bootstraps >>> with >>> default languages). >> >> I'm now testing the default (no --enable-objc-gc, --enable-objc-gc=*, >> --disable-objc-gc) with. Ok for trunk if it succeeds? >> >> 2016-11-30 Jakub Jelinek <ja...@redhat.com> >> >> * configure.ac (--enable-objc-gc): If not given, default to >> enable_objc_gc=no. >> * configure: Regenerated. >> >> --- libobjc/configure.ac.jj 2016-11-30 08:57:26.000000000 +0100 >> +++ libobjc/configure.ac 2016-11-30 11:47:33.085828683 +0100 >> @@ -203,7 +203,7 @@ gt_BITFIELD_TYPE_MATTERS >> AC_ARG_ENABLE(objc-gc, >> [AS_HELP_STRING([--enable-objc-gc], >> [enable use of Boehm's garbage collector with the >> - GNU Objective-C runtime])]) >> + GNU Objective-C runtime])],,enable_objc_gc=no) >> AC_ARG_WITH([target-bdw-gc], >> [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST], >> [specify prefix directory for installed bdw-gc package. >> --- libobjc/configure.jj 2016-11-30 08:57:26.000000000 +0100 >> +++ libobjc/configure 2016-11-30 11:47:44.720680375 +0100 >> @@ -11509,6 +11509,8 @@ $as_echo "#define HAVE_BITFIELD_TYPE_MAT >> # Check whether --enable-objc-gc was given. >> if test "${enable_objc_gc+set}" = set; then : >> enableval=$enable_objc_gc; >> +else >> + enable_objc_gc=no >> fi > > There's one more fix needed for the case of only having the pkg-config module > installed when configuring with --enable-objc-gc. We can't use > PKG_CHECK_MODULES > directly because the pkg.m4 macros choke on the dash in the module name. Thus > setting the CFLAGS and LIBS directly. Ok to install?
Why not fix pkg.m4? Richard. > * configure.ac: Set BDW_GC_CFLAGS and BDW_GC_LIBS after checking > for the existence of the pkg-config modules. > * Regenerate. > >