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91/160: gnu: gcc-core-boot: Install libgcc2.a too.


From: Jan Nieuwenhuizen
Subject: 91/160: gnu: gcc-core-boot: Install libgcc2.a too.
Date: Tue, 28 Aug 2018 15:56:25 -0400 (EDT)

janneke pushed a commit to branch wip-bootstrap
in repository guix.

commit bbc9a35e905b98bf56b226a27b70917aab0ace86
Author: Jan Nieuwenhuizen <address@hidden>
Date:   Sun Jun 17 20:51:19 2018 +0200

    gnu: gcc-core-boot: Install libgcc2.a too.
    
    * gnu/packages/mes.scm (gcc-core-boot): Install libgcc2.a too.
---
 gnu/packages/mes.scm                            |  93 +++++++----
 gnu/packages/patches/gcc-core-boot-2.95.3.patch | 202 ++++++++++++++++++++++++
 2 files changed, 265 insertions(+), 30 deletions(-)

diff --git a/gnu/packages/mes.scm b/gnu/packages/mes.scm
index ff9ec3d..cf7edc7 100644
--- a/gnu/packages/mes.scm
+++ b/gnu/packages/mes.scm
@@ -601,7 +601,7 @@ standard.")
               (uri (string-append "mirror://gnu/gcc/gcc-2.95.3/gcc-core-"
                                   version
                                   ".tar.gz"))
-              (patches (search-patches "gcc-boot-2.95.3.patch"))
+              (patches (search-patches "gcc-core-boot-2.95.3.patch"))
               (sha256
                (base32
                 "1xvfy4pqhrd5v2cv8lzf63iqg92k09g6z9n2ah6ndd4h17k1x0an"))))
@@ -610,16 +610,22 @@ standard.")
                      ("tcc" ,tcc-boot)))
     (outputs '("out"))
     (arguments
-     `(#:tests? #f                      ; runtest: command not found
+     `(#:tests? #f
        #:parallel-build? #f
        #:strip-binaries? #f
-       #:make-flags (list "CC=tcc -static"
-                          "OLDCC=tcc -static"
-                          "RANLIB=true"
-                          (string-append "LIBGCC2_INCLUDES=-I "
-                                         (assoc-ref %build-inputs "tcc")
-                                         "/include")
-                          "LANGUAGES=c")
+       #:make-flags (list
+                     "CC=tcc -static -D __GLIBC_MINOR__=6"
+                     "OLDCC=tcc -static -D __GLIBC_MINOR__=6"
+                     "CC_FOR_BUILD=tcc -static -D __GLIBC_MINOR__=6"
+                     "AR=ar"
+                     "RANLIB=ranlib"
+                     (string-append "LIBGCC2_INCLUDES=-I "
+                                    (assoc-ref %build-inputs "tcc")
+                                    "/include")
+                     "LANGUAGES=c"
+                     (string-append "BOOT_LDFLAGS="
+                                    " -B" (assoc-ref %build-inputs "tcc")
+                                    "/lib/"))
        #:modules ((guix build gnu-build-system)
                   (guix build utils)
                   (srfi srfi-1))
@@ -628,21 +634,46 @@ standard.")
          (replace 'configure
            (lambda* (#:key outputs #:allow-other-keys)
              (let ((out (assoc-ref outputs "out"))
+                   (tcc (assoc-ref %build-inputs "tcc"))
                    (cppflags (string-append
-                              "-D __STDC__=1"
+                              " -D __STDC__=1"
                               " -D __GLIBC_MINOR__=6")))
-               (when #t ;; no info
-                 (delete-file-recursively "texinfo")
-                 (system "touch gcc/cpp.info gcc/gcc.info"))
+               (setenv "PATH"
+                       (string-append
+                        (assoc-ref %build-inputs "binutils") "/bin"
+                        ":" (assoc-ref %build-inputs "tcc") "/bin"
+
+                        ;; more bootstrap cheats
+                        ":" (assoc-ref %build-inputs "bash") "/bin"
+                        ":" (assoc-ref %build-inputs "coreutils") "/bin"
+                        ":" (assoc-ref %build-inputs "diffutils") "/bin"
+                        ":" (assoc-ref %build-inputs "file") "/bin"
+                        ":" (assoc-ref %build-inputs "grep") "/bin"
+                        ":" (assoc-ref %build-inputs "gzip") "/bin"
+                        ":" (assoc-ref %build-inputs "make") "/bin"
+                        ":" (assoc-ref %build-inputs "sed") "/bin"
+                        ":" (assoc-ref %build-inputs "tar") "/bin"))
+
+               ;; no info at this stage
+               (delete-file-recursively "texinfo")
+               (system "touch gcc/cpp.info gcc/gcc.info")
+
                (setenv "CONFIG_SHELL" (string-append
                                        (assoc-ref %build-inputs "bash")
                                        "/bin/sh"))
+               (unsetenv "LANG")
                (unsetenv "C_INCLUDE_PATH") ; flex
                (unsetenv "LIBRARY_PATH")
                (setenv "CPPFLAGS" cppflags)
+               (setenv "C_INCLUDE_PATH" (string-append tcc "/include"))
                (setenv "CC" (string-append "tcc -static" " " cppflags))
+               (setenv "CC_FOR_BUILD" (string-append "tcc -static" " " 
cppflags))
                (setenv "CPP" (string-append "tcc -E" " " cppflags))
-               (setenv "RANLIB" "true")
+
+               (format (current-error-port) "PATH=~a\n" (getenv "PATH"))
+               (format (current-error-port) "C_INCLUDE_PATH=~a\n" (getenv 
"C_INCLUDE_PATH"))
+               (format (current-error-port) "LIBRARY_PATH=~a\n" (getenv 
"LIBRARY_PATH"))
+
                (with-output-to-file "config.cache"
                  (lambda _
                    (display "
@@ -661,22 +692,24 @@ ac_cv_c_float_format='IEEE (little-endian)'
              (let* ((tcc (assoc-ref %build-inputs "tcc"))
                     (tcc-lib (string-append tcc "/lib/x86-mes-gcc"))
                     (out (assoc-ref outputs "out"))
-                    (gcc-dir (string-append out 
"/lib/gcc-lib/i386-unknown-linux/2.95.3")))
-               (copy-file (string-append tcc-lib "/crt1.o")
-                          (string-append gcc-dir "/crt1.o"))
-               (with-output-to-file "crti.c" (lambda _ (display "")))
-               (system* "tcc" "-static" "-c" "crti.c")
-               (copy-file "crti.o" (string-append gcc-dir "/crti.o"))
-               (with-output-to-file "crtn.c" (lambda _ (display "")))
-               (system* "tcc" "-static" "-c" "crtn.c")
-               (copy-file "crtn.o" (string-append gcc-dir "/crtn.o"))
-               (system* "ar" "r" (string-append gcc-dir "/libc.a")
-                        (string-append tcc "/lib/x86-mes-gcc/libc+gnu.o"))
-               (system* "ar" "r" (string-append out "/lib/libc.a")
-                        (string-append tcc "/lib/x86-mes-gcc/libc+gnu.o"))
-               (system* "ls" "-ltrF" gcc-dir)
-               (copy-recursively (string-append tcc "/include")
-                                 (string-append out "/include"))))))))))
+                    (gcc-dir (string-append
+                              out "/lib/gcc-lib/i386-unknown-linux/2.95.3")))
+               (and
+                (mkdir-p "tmp")
+                (zero? (system (string-append "set -x; cd tmp && ar x 
../gcc/libgcc2.a")))
+                (zero? (system (string-append "set -x; cd tmp && ar r " 
gcc-dir "/libgcc.a *.o")))
+                (copy-file "gcc/libgcc2.a" (string-append out 
"/lib/libgcc2.a"))
+                (copy-file (string-append tcc "/lib/libtcc1.a")
+                           (string-append out "/lib/libtcc1.a"))
+                (zero? (system* "ar" "r" (string-append gcc-dir "/libc.a")
+                                (string-append tcc-lib "/libc+gnu.o")
+                                (string-append tcc-lib "/libtcc1.o")))
+                (zero? (system* "ar" "r" (string-append out "/lib/libc.a")
+                                (string-append tcc-lib "/libc+gnu.o")
+                                (string-append tcc-lib "/libtcc1.o")))
+                (system* "ls" "-ltrF" gcc-dir)
+                (copy-recursively (string-append tcc "/include")
+                                  (string-append out "/include")))))))))))
 
 (define-public glibc-boot
   (package
diff --git a/gnu/packages/patches/gcc-core-boot-2.95.3.patch 
b/gnu/packages/patches/gcc-core-boot-2.95.3.patch
new file mode 100644
index 0000000..1cb8340
--- /dev/null
+++ b/gnu/packages/patches/gcc-core-boot-2.95.3.patch
@@ -0,0 +1,202 @@
+diff -purN -x foo.c -x BOOT -x BOOT-2 -x BOOT-strict -x .git -x Makefile -x 
config.status -x config.h -x BOOT -x BOOT-GCC ../gcc-2.95.3/gcc/crtstuff.c 
gcc-2.95.3/gcc/crtstuff.c
+--- ../gcc-2.95.3/gcc/crtstuff.c       1999-03-23 01:43:51.000000000 +0100
++++ gcc-2.95.3/gcc/crtstuff.c  2018-06-19 19:52:06.151175995 +0200
+@@ -54,8 +54,12 @@ Boston, MA 02111-1307, USA.  */
+ #include "tm.h"
+ #include "defaults.h"
+ #include <stddef.h>
++
++#define FIRST_PSEUDO_REGISTER 17
++
+ #include "frame.h"
+ 
++
+ /* We do not want to add the weak attribute to the declarations of these
+    routines in frame.h because that will cause the definition of these
+    symbols to be weak as well.
+diff -purN -x foo.c -x BOOT -x BOOT-2 -x BOOT-strict -x .git -x Makefile -x 
config.status -x config.h -x BOOT -x BOOT-GCC ../gcc-2.95.3/gcc/libgcc2.c 
gcc-2.95.3/gcc/libgcc2.c
+--- ../gcc-2.95.3/gcc/libgcc2.c        1999-06-11 05:11:43.000000000 +0200
++++ gcc-2.95.3/gcc/libgcc2.c   2018-06-19 19:52:06.151175995 +0200
+@@ -48,6 +48,43 @@ Boston, MA 02111-1307, USA.  */
+ #include <stddef.h>
+ #endif
+ 
++/*
++  mysteriously missing decls
++*/
++
++#ifndef stderr
++#define stderr 2
++#endif
++
++#ifndef BITS_PER_UNIT
++#define BITS_PER_UNIT 8
++#endif
++
++#ifndef LONG_MIN
++#define LONG_MIN -2147483648
++#endif
++
++#ifndef EOF
++#define EOF -1
++#endif
++
++#if __GNUC__
++// typedef unsigned short word_type;
++
++#if !defined (SIZE_T) && !defined (_SIZE_T) && !defined (__MES_SIZE_T)
++#define SIZE_T
++#define _SIZE_T
++typedef long unsigned int size_t;
++#endif
++
++#endif // __GNUC__
++
++#if !defined (_FILE_T) && !defined (__MES_FILE_T)
++#define FILE_T
++#define _FILE_T
++typedef int *FILE;
++#endif
++
+ /* Don't use `fancy_abort' here even if config.h says to use it.  */
+ #ifdef abort
+ #undef abort
+diff -purN -x foo.c -x BOOT -x BOOT-2 -x BOOT-strict -x .git -x Makefile -x 
config.status -x config.h -x BOOT -x BOOT-GCC ../gcc-2.95.3/gcc/machmode.h 
gcc-2.95.3/gcc/machmode.h
+--- ../gcc-2.95.3/gcc/machmode.h       1999-04-08 09:27:26.000000000 +0200
++++ gcc-2.95.3/gcc/machmode.h  2018-06-19 19:52:06.151175995 +0200
+@@ -21,6 +21,9 @@ Boston, MA 02111-1307, USA.  */
+ #ifndef HAVE_MACHINE_MODES
+ #define HAVE_MACHINE_MODES
+ 
++#undef PROTO
++#define PROTO(args) args
++
+ /* Strictly speaking, this isn't the proper place to include these 
definitions,
+    but this file is included by every GCC file. */
+ 
+diff -purN -x foo.c -x BOOT -x BOOT-2 -x BOOT-strict -x .git -x Makefile -x 
config.status -x config.h -x BOOT -x BOOT-GCC ../gcc-2.95.3/gcc/Makefile.in 
gcc-2.95.3/gcc/Makefile.in
+--- ../gcc-2.95.3/gcc/Makefile.in      2001-01-25 15:02:58.000000000 +0100
++++ gcc-2.95.3/gcc/Makefile.in 2018-06-23 11:46:03.525159181 +0200
+@@ -221,7 +221,7 @@ RANLIB_TEST_FOR_TARGET = \
+ SYSTEM_HEADER_DIR = /usr/include
+ 
+ # Control whether to run fixproto.
+-STMP_FIXPROTO = stmp-fixproto
++# STMP_FIXPROTO = stmp-fixproto
+ 
+ # Test to see whether <limits.h> exists in the system header files.
+ LIMITS_H_TEST = [ -f $(SYSTEM_HEADER_DIR)/limits.h ]
+@@ -958,6 +958,7 @@ libgcc1.cross:
+ # fragments.
+ libgcc1.a: libgcc1.c $(CONFIG_H) $(LIB1FUNCS_EXTRA) config.status
+       -rm -f tmplibgcc1.a
++      mkdir -p libgcc1-o
+ # Actually build it in tmplibgcc1.a, then rename at end,
+ # so that libgcc1.a itself remains nonexistent if compilation is aborted.
+ # -e causes any failing command to make this rule fail.
+@@ -974,6 +975,7 @@ libgcc1.a: libgcc1.c $(CONFIG_H) $(LIB1F
+         if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
+         mv libgcc1$(objext) $${name}$(objext); \
+         $(OLDAR) $(OLDAR_FLAGS) tmplibgcc1.a $${name}$(objext); \
++        mv $${name}$(objext) libgcc1-o; \
+         rm -f $${name}$(objext); \
+       done
+ # Some shells crash when a loop has no items.
+@@ -994,6 +996,7 @@ libgcc1.a: libgcc1.c $(CONFIG_H) $(LIB1F
+           if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
+           $(OLDAR) $(OLDAR_FLAGS) tmplibgcc1.a $${name}$(objext); \
+           if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
++          mv $${name}$(objext) libgcc1-o; \
+           rm -f $${name}.s $${name}$(objext); \
+         else true; \
+         fi; \
+@@ -1024,6 +1027,7 @@ libgcc1-asm.a: libgcc2.ready config.stat
+         if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
+         mv libgcc1$(objext) $${name}$(objext); \
+         $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) tmplibgcc1.a 
$${name}$(objext); \
++        mv $${name}$(objext) libgcc1-o; \
+         rm -f $${name}$(objext); \
+       done
+       -rm -f libgcc1.S
+@@ -1062,6 +1066,7 @@ libgcc2.a: libgcc2.c libgcc2.ready $(CON
+ # Actually build it in tmplibgcc2.a, then rename at end,
+ # so that libgcc2.a itself remains nonexistent if compilation is aborted.
+       -rm -f tmplibgcc2.a
++      mkdir -p libgcc2-o
+ # -e causes any failing command to make this rule fail.
+ # -e doesn't work in certain shells, so we test $$? as well.
+ # lynx has a broken ar, it always complains when the initial library is
+@@ -1139,6 +1144,7 @@ libgcc2.a: libgcc2.c libgcc2.ready $(CON
+           $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(INCLUDES) -c $${file}; \
+           if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
+           $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) tmplibgcc2.a 
$${oname}$(objext); \
++          mv $${oname}$(objext) libgcc2-o;\
+           rm -f $${name}.s $${oname}$(objext); \
+         fi; \
+       done
+@@ -1156,7 +1162,7 @@ libgcc.a: $(LIBGCC1) $(LIBGCC2)
+       -rm -rf tmplibgcc.a libgcc.a tmpcopy
+       mkdir tmpcopy
+       -if [ x$(LIBGCC1) != x ];                       \
+-      then (cd tmpcopy; $(AR_FOR_TARGET) x ../$(LIBGCC1));    \
++      then cp -v libgcc1-o/*.o tmpcopy;               \
+       else true;                                      \
+       fi
+ # Some versions of ar (specifically the one in RISC/os 5.x), create an
+@@ -1164,7 +1170,7 @@ libgcc.a: $(LIBGCC1) $(LIBGCC2)
+ # the second ar command tries to overwrite this file.  To avoid the error
+ # message from ar, we make sure all files are writable.
+       -(cd tmpcopy; chmod +w * > /dev/null 2>&1)
+-      (cd tmpcopy; $(AR_FOR_TARGET) x ../$(LIBGCC2))
++      cp -v libgcc2-o/*.o tmpcopy
+       (cd tmpcopy; $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) ../tmplibgcc.a 
*$(objext))
+       rm -rf tmpcopy
+       -if $(RANLIB_TEST_FOR_TARGET) ; then \
+@@ -2093,14 +2099,18 @@ gcov$(exeext): $(GCOV_OBJS) $(LIBDEPS)
+ # s-* so that mostlyclean does not force the include directory to
+ # be rebuilt.
+ 
++# STMP_FIXINC = @STMP_FIXINC@
++STMP_FIXINC = stmp-fixinc
++
+ # Build the include directory including float.h (which no longer depends upon
+ # enquire).
+-stmp-int-hdrs: stmp-fixinc $(USER_H) xlimits.h
++stmp-int-hdrs: $(STMP_FIXINC) $(USER_H) xlimits.h
+ # Copy in the headers provided with gcc.
+ # The sed command gets just the last file name component;
+ # this is necessary because VPATH could add a dirname.
+ # Using basename would be simpler, but some systems don't have it.
+ # The touch command is here to workaround an AIX/Linux NFS bug.
++      -if [ -d include ] ; then true; else mkdir include; chmod a+rx include; 
fi
+       for file in .. $(USER_H); do \
+         if [ X$$file != X.. ]; then \
+           realfile=`echo $$file | sed -e 's|.*/\([^/]*\)$$|\1|'`; \
+@@ -2265,16 +2275,17 @@ stmp-fixproto: fixhdr.ready fixproto stm
+ #
+ # Remake the info files.
+ 
+-doc: info
+-info: cpp.info gcc.info lang.info
+-
+-cpp.info: $(srcdir)/cpp.texi
+-      $(MAKEINFO) $(MAKEINFOFLAGS) -I$(srcdir) -o cpp.info $(srcdir)/cpp.texi
+-
+-gcc.info: $(srcdir)/gcc.texi $(srcdir)/extend.texi $(srcdir)/install.texi \
+-        $(srcdir)/invoke.texi $(srcdir)/md.texi $(srcdir)/rtl.texi \
+-        $(srcdir)/tm.texi $(srcdir)/gcov.texi
+-      $(MAKEINFO) $(MAKEINFOFLAGS) -I$(srcdir) -o gcc.info $(srcdir)/gcc.texi
++doc:
++# doc: info
++# info: cpp.info gcc.info lang.info
++
++# cpp.info: $(srcdir)/cpp.texi
++#     $(MAKEINFO) $(MAKEINFOFLAGS) -I$(srcdir) -o cpp.info $(srcdir)/cpp.texi
++
++# gcc.info: $(srcdir)/gcc.texi $(srcdir)/extend.texi $(srcdir)/install.texi \
++#       $(srcdir)/invoke.texi $(srcdir)/md.texi $(srcdir)/rtl.texi \
++#       $(srcdir)/tm.texi $(srcdir)/gcov.texi
++#     $(MAKEINFO) $(MAKEINFOFLAGS) -I$(srcdir) -o gcc.info $(srcdir)/gcc.texi
+ 
+ dvi: gcc.dvi cpp.dvi lang.dvi
+ 



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