| 1 | #
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| 2 | # Copyright (c) 2011 Petr Koupy
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| 3 | # Copyright (c) 2011 Jiri Zarevucky
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| 4 | # All rights reserved.
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| 5 | #
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| 6 | # Redistribution and use in source and binary forms, with or without
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| 7 | # modification, are permitted provided that the following conditions
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| 8 | # are met:
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| 9 | #
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| 10 | # - Redistributions of source code must retain the above copyright
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| 11 | # notice, this list of conditions and the following disclaimer.
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| 12 | # - Redistributions in binary form must reproduce the above copyright
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| 13 | # notice, this list of conditions and the following disclaimer in the
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| 14 | # documentation and/or other materials provided with the distribution.
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| 15 | # - The name of the author may not be used to endorse or promote products
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| 16 | # derived from this software without specific prior written permission.
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| 17 | #
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| 18 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | #
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| 29 |
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| 30 | USPACE_PREFIX = ../..
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| 31 | LIBRARY = libposix
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| 32 |
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| 33 | EXTRA_CFLAGS = -Iinclude/
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| 34 |
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| 35 | INCLUDE_LIBC = ./include/libc
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| 36 |
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| 37 | LIBC_FILE = $(LIBC_PREFIX)/libc.a
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| 38 |
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| 39 | FIXED_C_LIBRARY = libc4posix.a
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| 40 | MERGED_C_LIBRARY = libc.a
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| 41 | MERGE_LIBRARIES = \
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| 42 | $(FIXED_C_LIBRARY) \
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| 43 | $(LIBRARY).a \
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| 44 | $(LIBSOFTFLOAT_PREFIX)/libsoftfloat.a \
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| 45 | $(LIBSOFTINT_PREFIX)/libsoftint.a
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| 46 |
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| 47 | SPECS = gcc.specs
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| 48 | LIBC_LINKER_SCRIPT = $(LIBC_PREFIX)/arch/$(UARCH)/_link.ld
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| 49 | LIBC_STARTUP_FILE = $(shell sed -n -e 's/^.*STARTUP(\(.*\)).*$$/\1/p' $(LIBC_LINKER_SCRIPT))
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| 50 | EXPORT_LINKER_SCRIPT = link.ld
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| 51 | EXPORT_STARTUP_FILE = crt0.o
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| 52 |
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| 53 | EXPORT_FILES = \
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| 54 | ../math/libmath.a \
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| 55 | ../clui/libclui.a \
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| 56 | $(MERGED_C_LIBRARY) \
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| 57 | $(EXPORT_STARTUP_FILE) \
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| 58 | $(EXPORT_LINKER_SCRIPT) \
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| 59 | $(SPECS)
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| 60 |
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| 61 | REDEFS_HIDE_LIBC = redefs-hide-libc-symbols.list
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| 62 |
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| 63 | PRE_DEPEND = $(INCLUDE_LIBC)
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| 64 | EXTRA_CLEAN = \
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| 65 | $(INCLUDE_LIBC) \
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| 66 | $(REDEFS_HIDE_LIBC) \
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| 67 | libc.o
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| 68 |
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| 69 | EXTRA_OUTPUT = $(FIXED_C_LIBRARY) $(FIXED_POSIX_LIBRARY) $(MERGED_C_LIBRARY) $(SPECS) $(EXPORT_LINKER_SCRIPT) $(EXPORT_STARTUP_FILE)
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| 70 |
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| 71 | SOURCES = \
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| 72 | src/ctype.c \
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| 73 | src/dlfcn.c \
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| 74 | src/fcntl.c \
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| 75 | src/fnmatch.c \
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| 76 | src/locale.c \
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| 77 | src/pthread/condvar.c \
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| 78 | src/pthread/keys.c \
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| 79 | src/pthread/mutex.c \
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| 80 | src/pthread/threads.c \
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| 81 | src/pwd.c \
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| 82 | src/signal.c \
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| 83 | src/stdio.c \
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| 84 | src/stdio/scanf.c \
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| 85 | src/stdlib.c \
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| 86 | src/stdlib/strtold.c \
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| 87 | src/string.c \
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| 88 | src/strings.c \
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| 89 | src/sys/mman.c \
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| 90 | src/sys/stat.c \
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| 91 | src/sys/wait.c \
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| 92 | src/time.c \
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| 93 | src/unistd.c
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| 94 |
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| 95 | TEST_SOURCES = \
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| 96 | test/main.c \
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| 97 | test/scanf.c
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| 98 |
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| 99 | EXPORT_CPPFLAGS = \
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| 100 | -specs $$(HELENOS_EXPORT_ROOT)/lib/gcc.specs \
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| 101 | -isystem $$(HELENOS_EXPORT_ROOT)/include
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| 102 |
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| 103 | EXPORT_LDFLAGS = \
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| 104 | -L$$(HELENOS_EXPORT_ROOT)/lib \
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| 105 | -T link.ld
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| 106 |
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| 107 | EXPORT_LDLIBS = \
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| 108 | -lmath -lc
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| 109 |
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| 110 | EXPORT_CFLAGS = \
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| 111 | -specs $$(HELENOS_EXPORT_ROOT)/lib/gcc.specs
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| 112 |
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| 113 | include $(USPACE_PREFIX)/Makefile.common
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| 114 |
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| 115 | $(SPECS): $(CONFIG_MAKEFILE)
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| 116 | echo '*self_spec:' > $@.new
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| 117 | echo '+ $(COMMON_CFLAGS)' >> $@.new
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| 118 | echo >> $@.new
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| 119 | echo '*cpp:' >> $@.new
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| 120 | echo '+ $(COMMON_CPPFLAGS)' >> $@.new
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| 121 | echo >> $@.new
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| 122 | echo '*lib:' >> $@.new
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| 123 | echo '$(EXPORT_LDLIBS)' >> $@.new
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| 124 | mv $@.new $@
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| 125 |
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| 126 | $(EXPORT_LINKER_SCRIPT): $(LIBC_LINKER_SCRIPT)
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| 127 | sed 's/STARTUP(.*)/STARTUP(crt0.o)/' $< > $@
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| 128 |
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| 129 | $(EXPORT_STARTUP_FILE): $(LIBC_STARTUP_FILE)
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| 130 | cp $< $@
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| 131 |
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| 132 | $(INCLUDE_LIBC): $(shell find ../c/include -name '*.h')
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| 133 | cp -r -L --remove-destination -T ../c/include $@
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| 134 | find ../c/include -type f -and -not -name '*.h' -delete
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| 135 |
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| 136 | export: $(EXPORT_DIR)/config.mk $(EXPORT_DIR)/config.rc
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| 137 |
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| 138 | $(EXPORT_DIR)/config.mk: export-libs export-includes
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| 139 | echo '# Generated file, do not modify.' >> $@.new
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| 140 | echo '# Do not forget to set HELENOS_EXPORT_ROOT.' >> $@.new
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| 141 | echo 'HELENOS_CROSS_PATH="$(shell dirname $(CC))"' >> $@.new
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| 142 | echo 'HELENOS_ARCH="$(firstword $(subst -, ,$(TARGET)))"' >> $@.new
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| 143 | echo 'HELENOS_TARGET="$(TARGET)"' >> $@.new
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| 144 | echo 'HELENOS_CPPFLAGS="$(EXPORT_CPPFLAGS)"' >> $@.new
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| 145 | echo 'HELENOS_CFLAGS="$(EXPORT_CFLAGS)"' >> $@.new
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| 146 | echo 'HELENOS_CXXFLAGS="$(EXPORT_CFLAGS)"' >> $@.new
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| 147 | echo 'HELENOS_LDFLAGS="$(EXPORT_LDFLAGS)"' >> $@.new
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| 148 | echo 'HELENOS_LDLIBS="$(EXPORT_LDLIBS)"' >> $@.new
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| 149 | mv $@.new $@
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| 150 |
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| 151 | $(EXPORT_DIR)/config.rc: $(EXPORT_DIR)/config.mk
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| 152 | sed 's:$$(HELENOS_EXPORT_ROOT):$$HELENOS_EXPORT_ROOT:g' < $< >$@
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| 153 |
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| 154 | export-libs: $(EXPORT_FILES) export-includes
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| 155 | mkdir -p $(EXPORT_DIR)/lib
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| 156 | cp -L $(EXPORT_FILES) $(EXPORT_DIR)/lib
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| 157 |
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| 158 | export-includes: $(INCLUDE_LIBC) $(shell find ./include ../c/arch/$(UARCH)/include $(ROOT_PATH)/abi/include -name '*.h')
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| 159 | mkdir -p $(EXPORT_DIR)/include
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| 160 | rm -rf $(EXPORT_DIR)/include.new
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| 161 | cp -r -L -T ./include/posix $(EXPORT_DIR)/include.new
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| 162 | cp -r -L -T ./include/libc $(EXPORT_DIR)/include.new/libc
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| 163 | cp -r -L ../c/arch/$(UARCH)/include/* $(EXPORT_DIR)/include.new/libc
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| 164 | cp -r -L $(ROOT_PATH)/abi/include/* $(EXPORT_DIR)/include.new
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| 165 | mkdir -p $(EXPORT_DIR)/include.new/libclui
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| 166 | cp -L ../clui/tinput.h $(EXPORT_DIR)/include.new/libclui
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| 167 |
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| 168 | find "$(EXPORT_DIR)/include.new/libc" "$(EXPORT_DIR)/include.new/libclui" -name '*.h' -exec sed \
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| 169 | -e 's:#include <:#include <libc/:' \
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| 170 | -e 's:#include <libc/abi/:#include <abi/:' \
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| 171 | -e 's:#include <libc/_bits/:#include <_bits/:' \
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| 172 | -e 's:#include <libc/libc/:#include <libc/:' \
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| 173 | -i {} \;
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| 174 | find "$(EXPORT_DIR)/include.new" -name '*.h' -exec sed \
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| 175 | -e 's:#include "posix/:#include ":' \
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| 176 | -e 's:#include <posix/:#include <:' \
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| 177 | -i {} \;
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| 178 |
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| 179 | rm -rf $(EXPORT_DIR)/include
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| 180 | mv $(EXPORT_DIR)/include.new $(EXPORT_DIR)/include
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| 181 |
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| 182 | $(FIXED_C_LIBRARY): $(LIBC_FILE) $(REDEFS_HIDE_LIBC)
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| 183 | $(OBJCOPY) --redefine-syms=$(REDEFS_HIDE_LIBC) $(LIBC_FILE) $@
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| 184 |
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| 185 | $(MERGED_C_LIBRARY): $(MERGE_LIBRARIES)
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| 186 | $(LD) --fatal-warnings -r -o libc.o --whole-archive $(MERGE_LIBRARIES) --no-whole-archive
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| 187 | $(AR) rc $@ libc.o
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| 188 |
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| 189 | $(REDEFS_HIDE_LIBC): $(SOURCES)
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| 190 | sed -n -e 's/_HIDE_LIBC_SYMBOL(\(.*\))/\1 __helenos_libc_\1/p' $(SOURCES) >$@
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