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Diffstat (limited to 'gc/doc/README.DGUX386')
| -rw-r--r-- | gc/doc/README.DGUX386 | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/gc/doc/README.DGUX386 b/gc/doc/README.DGUX386 new file mode 100644 index 0000000..9d6d847 --- /dev/null +++ b/gc/doc/README.DGUX386 @@ -0,0 +1,215 @@ + Garbage Collector (parallel iversion) for ix86 DG/UX Release R4.20MU07 + + + *READ* the file README.QUICK. + + You need the GCC-3.0.3 rev (DG/UX) compiler to build this tree. + This compiler has the new "dgux386" threads package implemented. + It also supports the switch "-pthread" needed to link correctly + the DG/UX's -lrte -lthread with -lgcc and the system's -lc. + Finally we support parralleli-mark for the SMP DG/UX machines. + To build the garbage collector do: + + ./configure --enable-parallel-mark + make + make gctest + + Before you run "gctest" you need to set your LD_LIBRARY_PATH + correctly so that "gctest" can find the shared library libgc. + Alternatively you can do a configuration + + ./configure --enable-parallel-mark --disable-shared + + to build only the static version of libgc. + + To enable debugging messages please do: + 1) Add the "--enable-full-debug" flag during configuration. + 2) Edit the file linux-threads.c and uncommnect the line: + + /* #define DEBUG_THREADS 1 */ to ---> + + #define DEBUG_THREADS 1 + + Then give "make" as usual. + + In a machine with 4 CPUs (my own machine) the option parallel + mark (aka --enable-parallel-mark) makes a BIG difference. + + Takis Psarogiannakopoulos + University of Cambridge + Centre for Mathematical Sciences + Department of Pure Mathematics + Wilberforce Road + Cambridge CB3 0WB ,UK , <takis@XFree86.Org> + January 2002 + + +Note (HB): + The integration of this patch is currently not complete. + The following patches against 6.1alpha3 where hard to move + to alpha4, and are not integrated. There may also be minor + problems with stylistic corrections made by me. + + +--- ltconfig.ORIG Mon Jan 28 20:22:18 2002 ++++ ltconfig Mon Jan 28 20:44:00 2002 +@@ -689,6 +689,11 @@ + pic_flag=-Kconform_pic + fi + ;; ++ dgux*) ++ pic_flag='-fPIC' ++ link_static='-Bstatic' ++ wl='-Wl,' ++ ;; + *) + pic_flag='-fPIC' + ;; +@@ -718,6 +723,12 @@ + # We can build DLLs from non-PIC. + ;; + ++ dgux*) ++ pic_flag='-KPIC' ++ link_static='-Bstatic' ++ wl='-Wl,' ++ ;; ++ + osf3* | osf4* | osf5*) + # All OSF/1 code is PIC. + wl='-Wl,' +@@ -1154,6 +1165,22 @@ + fi + ;; + ++ dgux*) ++ ld_shlibs=yes ++ # For both C/C++ ommit the deplibs. This is because we relying on the fact ++ # that compilation of execitables will put them in correct order ++ # in any case and sometimes are wrong when listed as deplibs (or missing some deplibs) ++ # However when GNU ld and --whole-archive needs to be used we have the problem ++ # that if the -fPIC *_s.a archive is linked through deplibs list we ommiting crucial ++ # .lo/.o files from the created shared lib. This I think is not the case here. ++ archive_cmds='$CC -shared -h $soname -o $lib $libobjs $linkopts' ++ thread_safe_flag_spec='-pthread' ++ wlarc= ++ hardcode_libdir_flag_spec='-L$libdir' ++ hardcode_shlibpath_var=no ++ ac_cv_archive_cmds_needs_lc=no ++ ;; ++ + cygwin* | mingw*) + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. +@@ -1497,7 +1524,7 @@ + ;; + + dgux*) +- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' ++ archive_cmds='$CC -shared -h $soname -o $lib $libobjs $linkopts' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_shlibpath_var=no + ;; +@@ -2092,12 +2119,17 @@ + ;; + + dgux*) +- version_type=linux ++ version_type=dgux + need_lib_prefix=no + need_version=no +- library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' +- soname_spec='${libname}${release}.so$major' ++ library_names_spec='$libname.so$versuffix' ++ soname_spec='$libname.so$versuffix' + shlibpath_var=LD_LIBRARY_PATH ++ thread_safe_flag_spec='-pthread' ++ wlarc= ++ hardcode_libdir_flag_spec='-L$libdir' ++ hardcode_shlibpath_var=no ++ ac_cv_archive_cmds_needs_lc=no + ;; + + sysv4*MP*) + + +--- ltmain.sh.ORIG Mon Jan 28 20:31:18 2002 ++++ ltmain.sh Tue Jan 29 00:11:29 2002 +@@ -1072,11 +1072,38 @@ + esac + ;; + ++ -thread*) ++ # DG/UX GCC 2.95.x, 3.x.x rev (DG/UX) links -lthread ++ # with the switch -threads ++ if test "$arg" = "-threads"; then ++ case "$host" in ++ i[3456]86-*-dgux*) ++ deplibs="$deplibs $arg" ++ continue ++ ;; ++ esac ++ fi ++ ;; ++ ++ -pthread*) ++ # DG/UX GCC 2.95.x, 3.x.x rev (DG/UX) links -lthread ++ # with the switch -pthread ++ if test "$arg" = "-pthread"; then ++ case "$host" in ++ i[3456]86-*-dgux*) ++ deplibs="$deplibs $arg" ++ continue ++ ;; ++ esac ++ fi ++ ;; ++ + -l*) + if test "$arg" = "-lc"; then + case "$host" in +- *-*-cygwin* | *-*-mingw* | *-*-os2* | *-*-beos*) ++ *-*-cygwin* | *-*-mingw* | *-*-os2* | *-*-beos* | i[3456]86-*-dgux*) + # These systems don't actually have c library (as such) ++ # It is wrong in DG/UX to add -lc when creating shared/dynamic objs/libs + continue + ;; + esac +@@ -1248,6 +1275,12 @@ + temp_deplibs= + for deplib in $dependency_libs; do + case "$deplib" in ++ -thread*) ++ temp_deplibs="$temp_deplibs $deplib" ++ ;; ++ -pthread) ++ temp_deplibs="$temp_deplibs $deplib" ++ ;; + -R*) temp_xrpath=`$echo "X$deplib" | $Xsed -e 's/^-R//'` + case " $rpath $xrpath " in + *" $temp_xrpath "*) ;; +@@ -1709,6 +1742,13 @@ + done + ;; + ++ dgux) ++ # Leave mostly blank for DG/UX ++ major= ++ versuffix=".$current.$revision"; ++ verstring= ++ ;; ++ + linux) + major=.`expr $current - $age` + versuffix="$major.$age.$revision" +@@ -1792,8 +1832,9 @@ + + dependency_libs="$deplibs" + case "$host" in +- *-*-cygwin* | *-*-mingw* | *-*-os2* | *-*-beos*) ++ *-*-cygwin* | *-*-mingw* | *-*-os2* | *-*-beos* | i[3456]86-*-dgux*) + # these systems don't actually have a c library (as such)! ++ # It is wrong in DG/UX to add -lc when creating shared/dynamic objs/libs + ;; + *) + # Add libc to deplibs on all other systems. |