mknative-gcc revision 1.1 1 #!/bin/sh
2 # $NetBSD: mknative-gcc,v 1.1 2003/07/25 16:26:53 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 $_TOP/gnu/usr.bin/gcc3/arch/$MACHINE_ARCH $_TOP/gnu/lib/libgcc3
86
87 # DPBIT, FPBIT only used on mn10[23]00, we don't need them.
88 getvars gcc/Makefile \
89 CXX_EXTRA_HEADERS CXX_LIB2FUNCS CXX_LIB2SRCS \
90 INCLUDES LIB2ADD LIB2ADDEH LIB2FUNCS_1 LIB2FUNCS_2 \
91 LIB2_DIVMOD_FUNCS LIB2FUNCS_ST \
92 LIBGCC2_CFLAGS MAYBE_USE_COLLECT2 \
93 tm_defines xm_file xm_defines \
94 | write_mk gnu/lib/libgcc3/$MACHINE_ARCH.mk
95 }
96
97 ##### gnu/usr.bin/gcc3/libiberty #####
98
99 get_gcc3_libiberty () {
100 mkdir -p $_TOP/gnu/usr.bin/gcc3/libiberty
101
102 getvars libiberty/Makefile \
103 ALLOCA EXTRA_OFILES LIBOBJS REQUIRED_OFILES \
104 | write_mk gnu/usr.bin/gcc3/libiberty/defs.mk
105
106 write_c gnu/usr.bin/gcc3/libiberty/config.h \
107 <$_TMPDIR/libiberty/config.h
108 }
109
110 ##### gnu/lib/libobjc #####
111
112 get_libobjc () {
113 mkdir -p $_TOP/gnu/lib/libobjc3
114
115 getvars $_PLATFORM/libobjc/Makefile \
116 ALL_CFLAGS INCLUDES OBJS OBJC_H \
117 | write_mk gnu/lib/libobjc3/defs.mk
118 }
119
120 ##### gnu/lib/libstdc++-v3 #####
121
122 get_libstdcxx_v3 () {
123 mkdir -p $_TOP/gnu/lib/libstdc++-v3/arch/$MACHINE_ARCH
124
125 # build files
126 for h in gthr.h gthr-single.h gthr-posix.h gthr-default.h c++config.h; do
127 write_c gnu/lib/libstdc++-v3/arch/$MACHINE_ARCH/$h \
128 <$_TMPDIR/$_PLATFORM/libstdc++-v3/include/$_PLATFORM/bits/$h
129 done
130
131 {
132 # libmath
133 getvars $_PLATFORM/libstdc++-v3/libmath/Makefile \
134 libmath_la_SOURCES libmath_la_LIBADD
135
136 # libsupc++
137 getvars $_PLATFORM/libstdc++-v3/libsupc++/Makefile \
138 sources | sed 's/^G_sources=/G_LIBSUPCXX_SOURCES=/'
139 getvars $_PLATFORM/libstdc++-v3/libsupc++/Makefile \
140 c_sources | sed 's/^G_c_sources=/G_LIBSUPCXX_C_SOURCES=/'
141
142 # src
143 getvars $_PLATFORM/libstdc++-v3/src/Makefile \
144 sources SECTION_FLAGS | sed 's/^G_sources=/G_SRC_SOURCES=/'
145
146 # include
147 getvars $_PLATFORM/libstdc++-v3/include/Makefile \
148 c_base_headers_rename std_headers_rename
149 getvars $_PLATFORM/libstdc++-v3/include/Makefile \
150 bits_headers backward_headers ext_headers c_base_headers_extra \
151 target_headers | sed 's#/[^ ][^ ]*/##g'
152 getvars $_PLATFORM/libstdc++-v3/include/Makefile \
153 thread_target_headers target_headers_extra | sed 's#\./[^ ][^ ]*/##g'
154 } | write_mk gnu/lib/libstdc++-v3/arch/$MACHINE_ARCH/defs.mk
155 }
156
157 ##### gnu/usr.bin/gcc3 #####
158
159 get_gcc () {
160 mkdir -p $_TOP/gnu/usr.bin/gcc3/arch/$MACHINE_ARCH
161
162 {
163 getvars gcc/Makefile \
164 ALL_CFLAGS ALL_CPPFLAGS C_AND_OBJC_OBJS C_OBJS CCCP_OBJS \
165 GCOV_OBJS PROTO_OBJS HOST_PRINT HOST_RTL HOST_RTLANAL \
166 HOST_SUPPORT HOST_EARLY_SUPPORT HOST_ERRORS HOST_VARRAY \
167 INCLUDES md_file OBJC_OBJS OBJS out_file version \
168 BUILD_PREFIX RTL_H TREE_H HCONFIG_H BASIC_BLOCK_H GCC_H \
169 GTFILES_SRCDIR GTFILES_FILES_FILES GTFILES_FILES_LANGS \
170 GTFILES GTFILES_LANG_DIR_NAMES \
171 tm_defines host_xm_file host_xm_defines tm_p_file \
172 target_cpu_default \
173 LIBCPP_OBJS LIBCPP_H \
174 lang_specs_files
175 getvars gcc/Makefile \
176 LIB2ADDEHDEP | sed 's/unwind.inc//'
177 getvars gcc/Makefile \
178 CXX_OBJS CXX_C_OBJS | sed 's/cp\///g'
179 getvars gcc/Makefile \
180 F77_OBJS | sed 's/f\///g'
181 } | write_mk gnu/usr.bin/gcc3/arch/$MACHINE_ARCH/defs.mk
182
183 for f in auto-build auto-host configargs cs-hconfig gencheck hconfig; do
184 write_c gnu/usr.bin/gcc3/arch/$MACHINE_ARCH/$f.h <$_TMPDIR/gcc/$f.h
185 done
186 }
187
188 ##### main #####
189
190 _TMPDIR=$2
191 _TOP=$3
192 _PLATFORM=$4
193 _VPATH=`grep VPATH ${_TMPDIR}/Makefile | sed 's,^.*= ,,'`
194
195 case $1 in
196 libgcc) # .mk and .h files for libgcc bootstrap (from host build)
197 get_libgcc
198 exit 0
199 ;;
200
201 gcc3)
202 get_gcc
203 get_libg2c
204 get_libgcc
205 get_gcc3_libiberty
206 get_libobjc
207 get_libstdcxx_v3
208 exit 0
209 ;;
210
211 *) echo invalid arguments; exit 1;;
212 esac
213