mknative-gcc revision 1.8 1 #!/bin/sh
2 # $NetBSD: mknative-gcc,v 1.8 2003/11/27 00:56:20 mrg Exp $
3 #
4 # Shell script for generating all the constants needed for a native
5 # platform build of src/gnu/dist/toolchain.
6 #
7
8 bomb () {
9 echo >&1 "ABORT: $*"
10 exit 1
11 }
12
13 # usage: getvars MAKEFILE VARNAME [VARNAME...]
14 getvars () {
15 _mf="$1"; shift
16 $MAKE -f - _x_ <<EOF || bomb "getvars $_mf $* failed"
17 _x_:
18 .for var in $*
19 @echo G_\${var}=\${\${var}:Q} | sed 's,$_VPATH,\$\${GNUHOSTDIST},g'
20 .endfor
21 .include "$_TMPDIR/$_mf"
22 EOF
23 }
24
25 # usage: write_c FILENAME
26 write_c () {
27 echo '/* This file is automatically generated. DO NOT EDIT! */' >$_TOP/$1.tmp || \
28 bomb "cannot create $1"
29 grep '$''NetBSD' $0 | sed 's,[#$],,g;s,.*,/* Generated from: & */,' >>$_TOP/$1.tmp
30 echo '' >>$_TOP/$1.tmp
31 writefile $1
32 }
33
34 # usage: write_mk FILENAME
35 write_mk () {
36 echo '# This file is automatically generated. DO NOT EDIT!' >$_TOP/$1.tmp || \
37 bomb "cannot create $1"
38 grep '$''NetBSD' $0 | sed 's,[#$],,g;s,.*,# Generated from: &,' >>$_TOP/$1.tmp
39 echo '#' >>$_TOP/$1.tmp
40 writefile $1
41 }
42
43 writefile () {
44 sed -e 's,netbsd\(elf\)*1[0-9\.]*\(_\)*[A-Z]*,netbsd\1,' \
45 -e 's,^/\* #undef HAVE_MMAP \*/$,#define HAVE_MMAP 1,' >>$_TOP/$1.tmp
46
47 # Compare new file, sans "generated from" comments and RCS Id, to
48 # old file. If they match, don't change anything.
49 rm -f $_TMPDIR/.1 $_TMPDIR/.2
50 grep -v 'Generated from:' $_TOP/$1 >$_TMPDIR/.1 2>/dev/null
51 grep -v 'Generated from:' $_TOP/$1.tmp >$_TMPDIR/.2
52
53 # will not overwrite a file that has the same content
54 if cmp $_TMPDIR/.1 $_TMPDIR/.2 >/dev/null 2>&1; then
55 rm -f $_TOP/$1.tmp
56 else
57 echo >&2 "$1 changed"
58 mv -f $_TOP/$1.tmp $_TOP/$1
59 fi
60 }
61
62 ##### gnu/lib/libg2c #####
63
64 get_libg2c () {
65 mkdir -p $_TOP/gnu/lib/libg2c3/arch/$MACHINE_ARCH
66
67 write_c gnu/lib/libg2c3/arch/$MACHINE_ARCH/config.h <$_TMPDIR/$_PLATFORM/libf2c/libU77/config.h
68 write_c gnu/lib/libg2c3/arch/$MACHINE_ARCH/g2c.h <$_TMPDIR/$_PLATFORM/libf2c/g2c.h
69
70 {
71 getvars $_PLATFORM/libf2c/Makefile \
72 F2CEXT
73 getvars $_PLATFORM/libf2c/libF77/Makefile \
74 ALL_CFLAGS OBJS
75 getvars $_PLATFORM/libf2c/libI77/Makefile \
76 ALL_CFLAGS OBJS | sed 's,=,+=,'
77 getvars $_PLATFORM/libf2c/libU77/Makefile \
78 ALL_CFLAGS OBJS | sed 's,=,+=,'
79 } | write_mk gnu/lib/libg2c3/arch/$MACHINE_ARCH/defs.mk
80 }
81
82 ##### gnu/lib/libgcc #####
83
84 get_libgcc () {
85 mkdir -p $_TOP/gnu/lib/libgcc3
86
87 # DPBIT, FPBIT only used on mn10[23]00, we don't need them.
88 # XXX we should probably grab everything Just In Case for
89 # the future.
90 getvars gcc/Makefile \
91 CXX_EXTRA_HEADERS CXX_LIB2FUNCS CXX_LIB2SRCS \
92 INCLUDES LIB2ADD LIB2ADDEH LIB2FUNCS_1 LIB2FUNCS_2 \
93 LIB2FUNCS_EXTRA \
94 LIB2_DIVMOD_FUNCS LIB2FUNCS_ST \
95 LIBGCC2_CFLAGS MAYBE_USE_COLLECT2 \
96 tm_defines xm_file xm_defines \
97 | write_mk gnu/lib/libgcc3/$MACHINE_ARCH.mk
98 }
99
100 ##### gnu/usr.bin/gcc3/libiberty #####
101
102 get_gcc3_libiberty () {
103 mkdir -p $_TOP/gnu/usr.bin/gcc3/libiberty/arch/$MACHINE_ARCH
104
105 getvars libiberty/Makefile \
106 ALLOCA EXTRA_OFILES LIBOBJS REQUIRED_OFILES \
107 | write_mk gnu/usr.bin/gcc3/libiberty/defs.mk
108
109 write_c gnu/usr.bin/gcc3/libiberty/arch/$MACHINE_ARCH/config.h \
110 <$_TMPDIR/libiberty/config.h
111 }
112
113 ##### gnu/lib/libobjc #####
114
115 get_libobjc () {
116 mkdir -p $_TOP/gnu/lib/libobjc3
117
118 getvars $_PLATFORM/libobjc/Makefile \
119 ALL_CFLAGS INCLUDES OBJS OBJC_H \
120 | sed "s,$_GNU_DIST,\${GNUHOSTDIST},g" \
121 | write_mk gnu/lib/libobjc3/defs.mk
122 }
123
124 ##### gnu/lib/libstdc++-v3 #####
125
126 get_libstdcxx_v3 () {
127 mkdir -p $_TOP/gnu/lib/libstdc++-v3/arch/$MACHINE_ARCH
128
129 # build files
130 for h in gthr.h gthr-single.h gthr-posix.h gthr-default.h c++config.h; do
131 write_c gnu/lib/libstdc++-v3/arch/$MACHINE_ARCH/$h \
132 <$_TMPDIR/$_PLATFORM/libstdc++-v3/include/$_PLATFORM/bits/$h
133 done
134
135 write_c gnu/lib/libstdc++-v3/arch/$MACHINE_ARCH/config.h \
136 <$_TMPDIR/$_PLATFORM/libstdc++-v3/config.h
137
138 {
139 # libmath
140 getvars $_PLATFORM/libstdc++-v3/libmath/Makefile \
141 libmath_la_SOURCES libmath_la_LIBADD
142
143 # libsupc++
144 getvars $_PLATFORM/libstdc++-v3/libsupc++/Makefile \
145 sources | sed 's/^G_sources=/G_LIBSUPCXX_SOURCES=/'
146 getvars $_PLATFORM/libstdc++-v3/libsupc++/Makefile \
147 c_sources | sed 's/^G_c_sources=/G_LIBSUPCXX_C_SOURCES=/'
148
149 # src
150 getvars $_PLATFORM/libstdc++-v3/src/Makefile \
151 sources SECTION_FLAGS | sed 's/^G_sources=/G_SRC_SOURCES=/'
152
153 # include
154 getvars $_PLATFORM/libstdc++-v3/include/Makefile \
155 c_base_headers_rename std_headers_rename
156 getvars $_PLATFORM/libstdc++-v3/include/Makefile \
157 bits_headers backward_headers ext_headers c_base_headers_extra \
158 target_headers | sed 's#/[^ ][^ ]*/##g'
159 getvars $_PLATFORM/libstdc++-v3/include/Makefile \
160 thread_target_headers target_headers_extra | sed 's#\./[^ ][^ ]*/##g'
161 } | write_mk gnu/lib/libstdc++-v3/arch/$MACHINE_ARCH/defs.mk
162 }
163
164 ##### gnu/usr.bin/gcc3 #####
165
166 get_gcc () {
167 mkdir -p $_TOP/gnu/usr.bin/gcc3/arch/$MACHINE_ARCH
168
169 {
170 getvars gcc/Makefile \
171 ALL_CFLAGS ALL_CPPFLAGS C_AND_OBJC_OBJS C_OBJS CCCP_OBJS \
172 GCOV_OBJS PROTO_OBJS HOST_PRINT HOST_RTL HOST_RTLANAL \
173 HOST_SUPPORT HOST_EARLY_SUPPORT HOST_ERRORS HOST_VARRAY \
174 INCLUDES md_file OBJC_OBJS OBJS out_file version \
175 BUILD_PREFIX RTL_H TREE_H HCONFIG_H BASIC_BLOCK_H GCC_H \
176 GTFILES_SRCDIR GTFILES_FILES_FILES GTFILES_FILES_LANGS \
177 GTFILES GTFILES_LANG_DIR_NAMES \
178 tm_defines host_xm_file host_xm_defines tm_p_file \
179 target_cpu_default \
180 LIBCPP_OBJS LIBCPP_H \
181 lang_specs_files
182 getvars gcc/Makefile \
183 LIB2ADDEHDEP | sed 's/unwind.inc//'
184 getvars gcc/Makefile \
185 CXX_OBJS CXX_C_OBJS | sed 's/cp\///g'
186 getvars gcc/Makefile \
187 F77_OBJS | sed 's/f\///g'
188 } | write_mk gnu/usr.bin/gcc3/arch/$MACHINE_ARCH/defs.mk
189
190 for f in auto-host configargs cs-hconfig gencheck hconfig gthr-default; do
191 write_c gnu/usr.bin/gcc3/arch/$MACHINE_ARCH/$f.h <$_TMPDIR/gcc/$f.h
192 done
193 }
194
195 ##### main #####
196
197 _TMPDIR=$2
198 _TOP=$3
199 _PLATFORM=$4
200 _VPATH=`grep VPATH ${_TMPDIR}/Makefile | sed 's,^.*= ,,'`
201 _GNU_DIST=`cd ${_VPATH}; pwd`
202
203 case $1 in
204 libgcc) # .mk and .h files for libgcc bootstrap (from host build)
205 get_libgcc
206 exit 0
207 ;;
208
209 gcc3)
210 get_gcc
211 get_libg2c
212 get_libgcc
213 get_gcc3_libiberty
214 get_libobjc
215 get_libstdcxx_v3
216 exit 0
217 ;;
218
219 *) echo invalid arguments; exit 1;;
220 esac
221