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--- howtos:pic32mx_ubuntu [2025/02/24 17:40]
admin [Stage 3 - deploy gcc and g++ with newlib suport]
+++ howtos:pic32mx_ubuntu [2025/02/24 18:31] (current)
admin
@@ Line 60: / Line 60: @@
 $ cd ~/projects/gcc-mips-10.3.0/build-newlib-el-4.1.0
 $ ../newlib-4.1.0/configure --target=mipsel --prefix=/opt/mipsel-10.3.0
-$ make ; echo $?
-...
-mipsel-cc -B/home/dambi/projects/gcc-mips/build-newlib-el/mipsel/newlib/ -isystem /home/dambi/projects/gcc-mips/build[27/1919]
-l/mipsel/newlib/targ-include -isystem /home/dambi/projects/gcc-mips/newlib-4.1.0/newlib/libc/include -B/home/dambi/projects/gcc-mips/build-newlib-el/mipsel/libgloss/mips -L/home/dambi/projects/gcc-mips/build-newlib-el/mipsel/libgloss/libnosys -L/home/d
-ambi/projects/gcc-mips/newlib-4.1.0/libgloss/mips    -DPACKAGE_NAME=\"newlib\" -DPACKAGE_TARNAME=\"newlib\" -DPACKAGE_VERSION=
-\"4.1.0\" -DPACKAGE_STRING=\"newlib\ 4.1.0\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -I. -I../../../../../newlib-4.1.0/new
-lib/libc/stdlib -fno-builtin -DMISSING_SYSCALL_NAMES -DHAVE_INIT_FINI      -g -O2 -c -o lib_a-dtoa.o `test -f 'dtoa.c' || echo '../../../../../newlib-4.1.0/newlib/libc/stdlib/'`dtoa.c
-In file included from ../../../../../newlib-4.1.0/newlib/libc/stdlib/mprec.h:29,
-                 from ../../../../../newlib-4.1.0/newlib/libc/stdlib/dtoa.c:33:
-/home/dambi/projects/gcc-mips/newlib-4.1.0/newlib/libc/include/ieeefp.h:152:2: error: #error "double and long double are the s
-ame size but LDBL_EQ_DBL is not defined"
-| #error "double and long double are the same size but LDBL_EQ_DBL is not defined"
-      |  ^~~~~
-/home/dambi/projects/gcc-mips/newlib-4.1.0/newlib/libc/include/ieeefp.h:195:3: error: unknown type name '__ieee_ext_field_type
-'
-|   __ieee_ext_field_type  ext_fracl : EXT_FRACLBITS;
-      |   ^~~~~~~~~~~~~~~~~~~~~
-/home/dambi/projects/gcc-mips/newlib-4.1.0/newlib/libc/include/ieeefp.h:195:38: error: 'EXT_FRACLBITS' undeclared here (not in
- a function); did you mean 'EXT_FRACBITS'?
-|   __ieee_ext_field_type  ext_fracl : EXT_FRACLBITS;
-      |                                      ^~~~~~~~~~~~~
-      |                                      EXT_FRACBITS
-/home/dambi/projects/gcc-mips/newlib-4.1.0/newlib/libc/include/ieeefp.h:195:26: error: bit-field 'ext_fracl' width not an inte
-ger constant
-|   __ieee_ext_field_type  ext_fracl : EXT_FRACLBITS;
-      |                          ^~~~~~~~~
-/home/dambi/projects/gcc-mips/newlib-4.1.0/newlib/libc/include/ieeefp.h:196:3: error: unknown type name '__ieee_ext_field_type
-'
-|   __ieee_ext_field_type  ext_frach : EXT_FRACHBITS;
-      |   ^~~~~~~~~~~~~~~~~~~~~
-/home/dambi/projects/gcc-mips/newlib-4.1.0/newlib/libc/include/ieeefp.h:196:38: error: 'EXT_FRACHBITS' undeclared here (not in
- a function); did you mean 'EXT_FRACBITS'?
-|   __ieee_ext_field_type  ext_frach : EXT_FRACHBITS;
-      |                                      ^~~~~~~~~~~~~
-      |                                      EXT_FRACBITS
-/home/dambi/projects/gcc-mips/newlib-4.1.0/newlib/libc/include/ieeefp.h:196:26: error: bit-field 'ext_frach' width not an inte
-ger constant
-|   __ieee_ext_field_type  ext_frach : EXT_FRACHBITS;
-      |                          ^~~~~~~~~
-/home/dambi/projects/gcc-mips/newlib-4.1.0/newlib/libc/include/ieeefp.h:197:3: error: unknown type name '__ieee_ext_field_type
-'
-|   __ieee_ext_field_type  ext_exp   : EXT_EXPBITS;
-      |   ^~~~~~~~~~~~~~~~~~~~~
-/home/dambi/projects/gcc-mips/newlib-4.1.0/newlib/libc/include/ieeefp.h:197:38: error: 'EXT_EXPBITS' undeclared here (not in a
- function); did you mean 'EXT_EXP_BIAS'?
-|   __ieee_ext_field_type  ext_exp   : EXT_EXPBITS;
-      |                                      ^~~~~~~~~~~
-      |                                      EXT_EXP_BIAS
-/home/dambi/projects/gcc-mips/newlib-4.1.0/newlib/libc/include/ieeefp.h:197:26: error: bit-field 'ext_exp' width not an integer constant
-|   __ieee_ext_field_type  ext_exp   : EXT_EXPBITS;
-      |                          ^~~~~~~
-/home/dambi/projects/gcc-mips/newlib-4.1.0/newlib/libc/include/ieeefp.h:198:3: error: unknown type name '__ieee_ext_field_type'
-|   __ieee_ext_field_type  ext_sign  : 1;
-      |   ^~~~~~~~~~~~~~~~~~~~~
-make[5]: *** [Makefile:734: lib_a-dtoa.o] Error 1
-make[5]: Leaving directory '/data/smb/users/dambi/projects/gcc-mips/build-newlib-el/mipsel/newlib/libc/stdlib'
-make[4]: *** [Makefile:683: all-recursive] Error 1
-make[4]: Leaving directory '/data/smb/users/dambi/projects/gcc-mips/build-newlib-el/mipsel/newlib/libc'
-make[3]: *** [Makefile:641: all-recursive] Error 1
-make[3]: Leaving directory '/data/smb/users/dambi/projects/gcc-mips/build-newlib-el/mipsel/newlib'
-make[2]: *** [Makefile:452: all] Error 2
-make[2]: Leaving directory '/data/smb/users/dambi/projects/gcc-mips/build-newlib-el/mipsel/newlib'
-make[1]: *** [Makefile:8492: all-target-newlib] Error 2
-make[1]: Leaving directory '/data/smb/users/dambi/projects/gcc-mips/build-newlib-el'
-make: *** [Makefile:879: all] Error 2
-</code>
-* **LDBL_EQ_DBL** not defined in some header files
-<code>
-$ pwd
-~/projects/gcc-mips-10.3.0/build-newlib-el-4.1.0
-$ ggrep -Rl LDBL_EQ ./
-./mipsel/newlib/targ-include/newlib.h
-./mipsel/newlib/newlib.h
-./mipsel/soft-float/newlib/targ-include/newlib.h
-./mipsel/soft-float/newlib/config.log
-./mipsel/soft-float/newlib/config.status
-./mipsel/soft-float/newlib/newlib.h
-./mipsel/soft-float/eb/newlib/newlib.h
-./mipsel/soft-float/eb/newlib/targ-include/newlib.h
-./mipsel/soft-float/eb/newlib/config.log
-./mipsel/soft-float/eb/newlib/config.status
-./mipsel/eb/newlib/config.log
-./mipsel/eb/newlib/targ-include/newlib.h
-./mipsel/eb/newlib/newlib.h
-./mipsel/eb/newlib/config.status
-</code>
-* define **LDBL_EQ_DBL** in files where it is not defined
-<code>
-$ vim -p ./mipsel/newlib/targ-include/newlib.h ./mipsel/newlib/newlib.h
 $ make ; echo $?
 $ sudo make install
@@ Line 162: / Line 71: @@
 $ sudo make install
 </code>
-===== binutils 2.22 =====
+===== copy Microchip libraries =====
-  * prepare working area
 <code>
-$ mkdir ~/projects/gcc-mips/
+# mkdir /opt/mipsel-10.3.0/lib/microchip/
-$ cd ~/projects/gcc-mips/
+# cp libc_s_n.a libdsp.a libgcc_s_n.a /opt/mipsel-10.3.0/lib/microchip/
-$ mkdir build-binutils-el
-</code>
-  * download and unpack
-<code>
-$ wget http://ftp.gnu.org/gnu/binutils/binutils-2.22.tar.gz -O /tmp/binutils-2.22.tar.gz
-$ tar xvpf /tmp/binutils-2.22.tar.gz
-</code>
-  * build and install (all tools will be installed into /opt/mipsel/ directory)
-<code>
-$ cd build-binutils-el
-$ ../binutils-2.22/configure --target=mipsel --prefix=/opt/mipsel
-$ make
-$ sudo make install
-</code>
-===== gcc 4.5.2 with newlib 1.20.0 =====
-  * prepare working area
-<code>
-$ cd ~/projects/gcc-mips/
-$ mkdir build-gcc-el
-$ mkdir build-newlib-el
-</code>
-  * download and unpack
-<code>
-$ wget http://ftp.gnu.org/gnu/gcc/gcc-4.5.2/gcc-4.5.2.tar.gz -O /tmp/gcc-4.5.2.tar.gz
-$ tar xvpf /tmp/gcc-4.5.2.tar.gz
-$ wget ftp://sources.redhat.com/pub/newlib/newlib-1.20.0.tar.gz -O /tmp/newlib-1.20.0.tar.gz
-$ tar xvpf /tmp/newlib-1.20.0.tar.gz
-</code>
-  * build and install (tools will be installed into /opt/mipsel/ directory). Building gcc with newlib is done in three steps.
-===== Stage 1 - build bootstrap gcc =====
-<code>
-$ cd build-gcc-el
-$ ../gcc-4.5.2/configure --target=mipsel --prefix=/opt/mipsel --with-gmp-include=/usr/include/gmp --with-mpfr-include=/usr/include/mpfr --without-headers --with-gnu-as --with-gnu-ld --with-newlib --enable-languages=c --with-local-prefix=/opt/mipsel --with-native-system-header-dir=/opt/mipsel/include/ --disable-nls --disable-shared  --enable-multilib --disable-decimal-float -disable-threads --disable-libmudflap --disable-libssp --disable-libgomp --disable-libquadmath
-$ make
-$ sudo make install
-</code>
-  * **--enable-multilib** - builds several variants of libraries (big-endian, little-endian hard-float and soft-float). Default is little-endian hard-float.
-<code>
-$ /opt/mipsel/bin/mipsel-gcc -print-multi-lib
-.;
-soft-float;@msoft-float
-eb;@EB
-soft-float/eb;@msoft-float@EB
-$
-</code>
-===== Stage 2 - deploy newlib =====
-  * build and install
-<code>
-$ cd ~/projects/gcc-mips/build-newlib-el
-$ ../newlib-1.20.0/configure --target=mipsel --prefix=/opt/mipsel
-$ make
-$ sudo make install
-</code>
-===== Stage 3 - deploy gcc with newlib suport =====
-<code>
-$ cd ~/projects/gcc-mips/build-gcc-el
-$ ../gcc-4.5.2/configure --target=mipsel --prefix=/opt/mipsel --with-gmp-include=/usr/include/gmp --with-mpfr-include=/usr/include/mpfr --with-gnu-as --with-gnu-ld --with-newlib --enable-languages=c --with-local-prefix=/opt/mipsel --with-native-system-header-dir=/opt/mipsel/include --disable-nls --disable-shared  --enable-multilib --disable-decimal-float -disable-threads --disable-libmudflap --disable-libssp --disable-libgomp --disable-libquadmath
-$ make
-$ sudo make install
 </code>