| 1 | # TODO: Use vcs_tag() to generate version string
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| 2 | # TODO: jobfile
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| 3 | # TODO: lto
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| 4 | # TODO: CONFIG_BUILD_SHARED_LIBS
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| 5 | # TODO: fix clang build
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| 6 |
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| 7 | project(
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| 8 | 'HelenOS',
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| 9 | [ 'c', 'cpp' ],
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| 10 | default_options : ['buildtype=plain', 'c_std=gnu11', 'cpp_std=c++17', 'warning_level=3', 'werror=false', 'b_staticpic=false', 'default_library=shared', 'prefix=/' ],
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| 11 | meson_version: '>=0.50.1',
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| 12 | )
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| 13 |
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| 14 | cc = meson.get_compiler('c')
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| 15 | basename = find_program('basename')
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| 16 | dirname = find_program('dirname')
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| 17 | find = find_program('find')
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| 18 | grep = find_program('grep')
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| 19 | mkarray = find_program('tools/mkarray_for_meson.sh')
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| 20 | objdump = find_program('objdump')
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| 21 | objcopy = find_program('objcopy')
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| 22 | sed = find_program('sed')
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| 23 | unzip = find_program('unzip')
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| 24 | which = find_program('which')
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| 25 | sh = [ find_program('sh'), '-x', '-u', '-e' ]
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| 26 | mkext4 = find_program('tools/mkext4.py')
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| 27 | mkfat = find_program('tools/mkfat.py')
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| 28 | mkuimage = find_program('tools/mkuimage.py')
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| 29 | cp = find_program('cp')
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| 30 |
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| 31 | genisoimage = find_program('genisoimage', required: false)
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| 32 |
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| 33 | if not genisoimage.found()
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| 34 | genisoimage = find_program('mkisofs', required: false)
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| 35 | endif
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| 36 |
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| 37 | if not genisoimage.found()
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| 38 | xorriso = find_program('xorriso', required: false)
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| 39 |
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| 40 | if xorriso.found()
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| 41 | genisoimage = [ xorriso, '-as', 'genisoimage' ]
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| 42 | else
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| 43 | error('Need genisoimage, mkisofs or xorriso.')
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| 44 | endif
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| 45 | endif
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| 46 |
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| 47 |
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| 48 | autocheck = generator(find_program('tools/autocheck.awk'),
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| 49 | arguments: [ '@INPUT@' ],
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| 50 | output: '@PLAINNAME@.check.c',
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| 51 | capture: true,
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| 52 | )
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| 53 |
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| 54 | gzip = generator(find_program('gzip',
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| 55 | arguments: [ '--no-name', '-9', '--stdout', '@INPUT@' ]
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| 56 | output: '@PLAINNAME@.gz',
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| 57 | capture: true,
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| 58 | )
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| 59 |
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| 60 | # Tar's arguments make sure that the archive is reproducible.
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| 61 | tar = [
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| 62 | find_program('tar'),
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| 63 | '-c',
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| 64 | '-f', '@OUTPUT@',
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| 65 | '--mtime=1970-01-01 00:00:00Z',
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| 66 | '--group=0',
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| 67 | '--owner=0',
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| 68 | '--numeric-owner',
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| 69 | '--mode=go=rX,u+rw,a-s',
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| 70 | '--no-acls',
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| 71 | '--no-selinux',
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| 72 | '--no-xattrs',
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| 73 | '--format=ustar',
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| 74 | '--transform', 's:@OUTDIR@/::',
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| 75 | '@INPUT@',
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| 76 | ]
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| 77 |
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| 78 | if get_option('default_library') == 'both'
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| 79 | error('You must use either shared or static for default_library.')
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| 80 | endif
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| 81 |
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| 82 | debug_options = false
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| 83 |
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| 84 | # Output compiler flags for use by third-party builds.
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| 85 | # NOTE: See $srcroot/meson/cross/$arch for architecture-specific compiler flags.
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| 86 |
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| 87 | if debug_options
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| 88 | message('Cross c_args:')
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| 89 | message(meson.get_cross_property('c_args'))
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| 90 | message('Cross cpp_args:')
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| 91 | message(meson.get_cross_property('cpp_args'))
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| 92 | message('Cross c_link_args:')
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| 93 | message(meson.get_cross_property('c_link_args'))
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| 94 | message('Cross cpp_link_args:')
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| 95 | message(meson.get_cross_property('cpp_link_args'))
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| 96 | endif
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| 97 |
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| 98 | # Read some variables from Makefile.common
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| 99 | config_variables = [
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| 100 | # Uspace and kernel
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| 101 | 'CONFIG_BAREBONE',
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| 102 | 'CONFIG_BUILD_SHARED_LIBS',
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| 103 | 'CONFIG_DEBUG',
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| 104 | 'CONFIG_DEVEL_FILES',
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| 105 | 'CONFIG_FPU',
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| 106 | 'CONFIG_LINE_DEBUG',
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| 107 | 'CONFIG_PCUT_SELF_TESTS',
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| 108 | 'CONFIG_PCUT_TESTS',
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| 109 | 'CONFIG_RTLD',
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| 110 | 'CONFIG_STRIP_BINARIES',
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| 111 | 'CONFIG_UBSAN',
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| 112 | 'CONFIG_USE_SHARED_LIBS',
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| 113 | 'CROSS_TARGET',
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| 114 | 'OPTIMIZATION',
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| 115 | 'PROCESSOR',
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| 116 | 'QUADFLOAT',
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| 117 | 'RDFMT',
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| 118 |
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| 119 | # Kernel only
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| 120 | 'CONFIG_ACPI',
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| 121 | 'CONFIG_AM335X_TIMERS',
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| 122 | 'CONFIG_ASID',
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| 123 | 'CONFIG_ASID_FIFO',
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| 124 | 'CONFIG_AT_KBD',
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| 125 | 'CONFIG_BCM2835_MAILBOX',
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| 126 | 'CONFIG_DSRLNIN',
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| 127 | 'CONFIG_DSRLNOUT',
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| 128 | 'CONFIG_EGA',
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| 129 | 'CONFIG_FB',
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| 130 | 'CONFIG_GICV2',
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| 131 | 'CONFIG_I8042',
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| 132 | 'CONFIG_I8259',
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| 133 | 'CONFIG_IOMAP_BITMAP',
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| 134 | 'CONFIG_IOMAP_DUMMY',
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| 135 | 'CONFIG_KCONSOLE',
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| 136 | 'CONFIG_MAC_KBD',
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| 137 | 'CONFIG_MULTIBOOT',
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| 138 | 'CONFIG_NS16550',
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| 139 | 'CONFIG_OFW_PCI',
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| 140 | 'CONFIG_OFW_TREE',
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| 141 | 'CONFIG_OMAP_UART',
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| 142 | 'CONFIG_PAGE_HT',
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| 143 | 'CONFIG_PAGE_PT',
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| 144 | 'CONFIG_PC_KBD',
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| 145 | 'CONFIG_PL011_UART',
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| 146 | 'CONFIG_PL050',
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| 147 | 'CONFIG_S3C24XX_IRQC',
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| 148 | 'CONFIG_S3C24XX_UART',
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| 149 | 'CONFIG_SMP',
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| 150 | 'CONFIG_SOFTINT',
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| 151 | 'CONFIG_SRLN',
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| 152 | 'CONFIG_SUN_KBD',
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| 153 | 'CONFIG_SYMTAB',
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| 154 | 'CONFIG_TEST',
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| 155 | 'CONFIG_TRACE',
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| 156 | 'CONFIG_TSB',
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| 157 | 'CONFIG_UDEBUG',
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| 158 | 'CONFIG_VIA_CUDA',
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| 159 | 'MACHINE',
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| 160 | 'MEMORY_MODEL',
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| 161 |
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| 162 | 'UARCH',
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| 163 | 'KARCH',
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| 164 | 'BARCH',
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| 165 | 'GRUB_ARCH',
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| 166 | 'UIMAGE_OS',
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| 167 | ]
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| 168 |
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| 169 | foreach varname : config_variables
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| 170 | result = run_command(grep, '^' + varname + '\\b', meson.source_root() / 'Makefile.config')
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| 171 | if result.returncode() != 0
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| 172 | # TODO: Output negative/inapplicable variables too in config, so that we can check for typos here.
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| 173 | #warning('Missing configuration variable ' + varname + ' in Makefile.config')
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| 174 | set_variable(varname, false)
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| 175 | continue
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| 176 | endif
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| 177 |
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| 178 | value = result.stdout().split('\n')[0].strip().split('=')[1].strip()
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| 179 | if value == 'y'
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| 180 | value = true
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| 181 | elif value == 'n'
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| 182 | value = false
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| 183 | endif
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| 184 |
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| 185 | set_variable(varname, value)
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| 186 | if debug_options
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| 187 | message([ varname, value ])
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| 188 | endif
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| 189 | endforeach
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| 190 |
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| 191 | # Also read version information.
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| 192 | version_variables = [
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| 193 | 'COPYRIGHT',
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| 194 | 'NAME',
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| 195 | 'PATCHLEVEL',
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| 196 | 'SUBLEVEL',
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| 197 | 'VERSION',
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| 198 | ]
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| 199 |
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| 200 | foreach varname : version_variables
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| 201 | line = run_command(grep, '^' + varname + '\\b', meson.source_root() / 'version', check: true).stdout().strip()
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| 202 | value = line.split('=')[1].strip()
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| 203 | set_variable('HELENOS_' + varname, value)
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| 204 | if debug_options
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| 205 | message([ 'HELENOS_' + varname, value ])
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| 206 | endif
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| 207 | endforeach
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| 208 |
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| 209 | HELENOS_RELEASE = HELENOS_VERSION + '.' + HELENOS_PATCHLEVEL + '.' + HELENOS_SUBLEVEL
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| 210 |
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| 211 | add_project_arguments(
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| 212 | # TODO: Remove from project arguments and only use where needed.
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| 213 | '-imacros', join_paths(meson.source_root(), 'config.h'),
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| 214 | language : [ 'c' ],
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| 215 | )
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| 216 |
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| 217 | add_project_link_arguments(
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| 218 | cc.get_supported_link_arguments([
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| 219 | '-Wl,--gc-sections',
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| 220 | '-Wl,--warn-common',
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| 221 | ]),
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| 222 | '-Wl,--fatal-warnings',
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| 223 | language : [ 'c', 'cpp' ],
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| 224 | )
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| 225 |
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| 226 | # TODO: enable more warnings
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| 227 | # FIXME: -fno-builtin-strftime works around seemingly spurious format warning.
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| 228 | # We should investigate what's going on there.
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| 229 |
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| 230 | extra_common_flags = [
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| 231 | '-O' + OPTIMIZATION,
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| 232 | '-fexec-charset=UTF-8',
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| 233 | '-finput-charset=UTF-8',
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| 234 |
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| 235 | '-D_HELENOS_SOURCE',
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| 236 | '-Wa,--fatal-warnings',
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| 237 |
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| 238 | '-Wall',
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| 239 | '-Wextra',
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| 240 |
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| 241 | '-Werror-implicit-function-declaration',
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| 242 |
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| 243 | '-Wwrite-strings',
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| 244 | '-Wsystem-headers',
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| 245 | '-Wunknown-pragmas',
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| 246 |
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| 247 | '-Wno-unused-parameter',
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| 248 |
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| 249 | '-pipe',
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| 250 | '-ffunction-sections',
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| 251 |
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| 252 | '-fno-common',
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| 253 |
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| 254 | '-fdebug-prefix-map=' + meson.source_root() + '=.',
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| 255 | ]
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| 256 |
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| 257 | if UARCH != 'ia64'
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| 258 | extra_common_flags += [ '-fvar-tracking-assignments' ]
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| 259 | endif
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| 260 |
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| 261 | if CONFIG_DEBUG
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| 262 | extra_common_flags += [ '-Werror' ]
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| 263 | endif
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| 264 |
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| 265 | if CONFIG_LINE_DEBUG
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| 266 | extra_common_flags += [ '-gdwarf-4', '-g3' ]
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| 267 | endif
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| 268 |
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| 269 | extra_cflags = extra_common_flags + [
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| 270 | '-Wmissing-prototypes',
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| 271 |
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| 272 | '-Wno-missing-braces',
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| 273 | '-Wno-missing-field-initializers',
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| 274 | '-Wno-unused-command-line-argument',
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| 275 | '-Wno-unused-parameter',
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| 276 | '-Wno-typedef-redefinition',
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| 277 | '-Wno-clobbered',
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| 278 | '-Wno-nonnull-compare',
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| 279 |
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| 280 | '-fno-builtin-strftime',
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| 281 | ]
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| 282 |
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| 283 | if CONFIG_UBSAN
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| 284 | extra_cflags += '-fsanitize=undefined'
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| 285 | endif
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| 286 |
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| 287 | extra_cppflags = extra_common_flags + [
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| 288 | '-fno-exceptions',
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| 289 | '-frtti',
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| 290 | ]
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| 291 |
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| 292 | w_flags = {
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| 293 | 'c': extra_cflags,
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| 294 | 'cpp': extra_cppflags,
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| 295 | }
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| 296 |
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| 297 | # Process flags. Only sets those that compiler supports.
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| 298 | foreach lang : [ 'c', 'cpp' ]
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| 299 | extra_cflags = meson.get_compiler(lang).get_supported_arguments(w_flags.get(lang))
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| 300 | add_project_arguments(extra_cflags, language : [ lang ])
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| 301 | add_project_link_arguments(extra_cflags, language : [ lang ])
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| 302 | endforeach
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| 303 |
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| 304 | # Init binaries.
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| 305 | rd_init = [
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| 306 | # IMPORTANT: The order of entries is important for bootloader!
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| 307 | 'srv/ns',
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| 308 | 'srv/loader',
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| 309 | 'app/init',
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| 310 | 'srv/locsrv',
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| 311 | 'srv/bd/rd',
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| 312 | 'srv/vfs',
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| 313 | 'srv/logger',
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| 314 | 'srv/fs/' + RDFMT,
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| 315 | ]
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| 316 |
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| 317 | # References to the actual binary files. Filled in by uspace.
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| 318 | rd_init_binaries = []
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| 319 |
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| 320 | # Binaries allowed on the initrd image when CONFIG_BAREBONE is enabled.
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| 321 | rd_essential = rd_init + [
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| 322 | 'app/bdsh',
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| 323 | 'app/getterm',
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| 324 | 'app/kio',
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| 325 |
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| 326 | 'srv/devman',
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| 327 | 'srv/fs/locfs',
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| 328 | 'srv/hid/console',
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| 329 | 'srv/hid/input',
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| 330 | 'srv/hid/output',
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| 331 | 'srv/klog',
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| 332 |
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| 333 | 'drv/root/root',
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| 334 | 'drv/root/virt',
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| 335 | 'drv/fb/kfb',
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| 336 | ]
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| 337 |
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| 338 | if CONFIG_FB
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| 339 | rd_essential += [
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| 340 | 'app/vlaunch',
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| 341 | 'app/vterm',
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| 342 |
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| 343 | 'srv/hid/compositor',
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| 344 | ]
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| 345 | endif
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| 346 |
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| 347 |
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| 348 | ## The at-sign
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| 349 | #
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| 350 | # The `atsign` variable holds the ASCII character representing the at-sign
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| 351 | # ('@') used in various $(AS) constructs (e.g. @progbits). On architectures that
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| 352 | # don't use '@' for starting a comment, `atsign` is merely '@'. However, on
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| 353 | # those that do use it for starting a comment (e.g. arm32), `atsign` must be
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| 354 | # defined as the percentile-sign ('%') in the architecture-dependent files.
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| 355 | #
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| 356 | atsign = '@'
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| 357 |
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| 358 | ## Some architectures need a particular string at the beginning of assembly files.
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| 359 | kernel_as_prolog = ''
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| 360 | uspace_as_prolog = ''
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| 361 |
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| 362 | subdir('meson' / 'arch' / UARCH)
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| 363 |
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| 364 | install_files = []
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| 365 | install_deps = []
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| 366 |
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| 367 | subdir('kernel')
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| 368 | subdir('uspace')
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| 369 |
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| 370 |
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| 371 | ## Generate config.mk
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| 372 |
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| 373 | # Get the directory where the compiler resides.
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| 374 |
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| 375 | cc_fullname = run_command(which, meson.get_compiler('c').cmd_array()[0].split(' ')[0], check: true).stdout().strip()
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| 376 | cc_path = run_command(dirname, cc_fullname, check: true).stdout().strip()
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| 377 |
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| 378 | message(['Compiler directory is:', cc_path])
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| 379 |
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| 380 | export_cppflags = [
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| 381 | '-isystem', '$(HELENOS_EXPORT_ROOT)/include/posix',
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| 382 | '-isystem', '$(HELENOS_EXPORT_ROOT)/include/libc',
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| 383 | '-idirafter', '$(HELENOS_EXPORT_ROOT)/include',
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| 384 | ]
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| 385 |
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| 386 | export_ldflags = [
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| 387 | '-nostdlib',
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| 388 | '-L$(HELENOS_EXPORT_ROOT)/lib',
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| 389 | '-Wl,--whole-archive',
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| 390 | '$(HELENOS_EXPORT_ROOT)/lib/libstartfiles.a',
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| 391 | '-Wl,--no-whole-archive',
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| 392 | ]
|
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| 393 |
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| 394 | export_ldlibs = [
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| 395 | '-Wl,--as-needed',
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| 396 | '-lposix',
|
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| 397 | '-lmath',
|
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| 398 | '-lc',
|
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| 399 | '-lgcc',
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| 400 | '-Wl,--no-as-needed',
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| 401 | ]
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| 402 |
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| 403 | cc_arch = meson.get_cross_property('cc_arch')
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| 404 |
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| 405 | conf_data = configuration_data({
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| 406 | 'HELENOS_CROSS_PATH' : cc_path,
|
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| 407 | 'HELENOS_ARCH' : cc_arch,
|
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| 408 | 'HELENOS_CFLAGS' : ' '.join(arch_uspace_c_args),
|
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| 409 | 'HELENOS_CXXFLAGS' : ' '.join(arch_uspace_c_args),
|
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| 410 | 'HELENOS_CPPFLAGS' : ' '.join(export_cppflags),
|
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| 411 | 'HELENOS_LDFLAGS' : ' '.join(export_ldflags),
|
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| 412 | 'HELENOS_LDLIBS' : ' '.join(export_ldlibs),
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| 413 | 'HELENOS_TARGET' : cc_arch + '-helenos',
|
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| 414 | })
|
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| 415 |
|
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| 416 | config_mk = configure_file(
|
|---|
| 417 | input: 'config.mk.in',
|
|---|
| 418 | output: 'config.mk',
|
|---|
| 419 | configuration: conf_data,
|
|---|
| 420 | )
|
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| 421 |
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| 422 | config_sh = custom_target('config.sh',
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| 423 | input: config_mk,
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| 424 | output: 'config.sh',
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| 425 | command: [ sed, 's:$(HELENOS_EXPORT_ROOT):${HELENOS_EXPORT_ROOT}:g', '@INPUT@' ],
|
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| 426 | capture: true,
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| 427 | )
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| 428 |
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| 429 | install_files += [[ 'config', meson.current_build_dir() / 'config.mk', 'config.mk' ]]
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| 430 | install_deps += [ config_mk ]
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| 431 | install_files += [[ 'config', meson.current_build_dir() / 'config.sh', 'config.sh' ]]
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| 432 | install_deps += [ config_sh ]
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| 433 |
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| 434 | # TODO: remove
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| 435 | install_files += [[ 'config', meson.current_source_dir() / 'Makefile.common', 'Makefile.common' ]]
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| 436 | install_deps += files('Makefile.common')
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| 437 | install_files += [[ 'config', meson.current_source_dir() / 'Makefile.config', 'Makefile.config' ]]
|
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| 438 | install_deps += files('Makefile.config')
|
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| 439 |
|
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| 440 | if CONFIG_DEVEL_FILES
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| 441 | # Also install libgcc
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|---|
| 442 | libgcc = run_command(
|
|---|
| 443 | cc.cmd_array(), arch_uspace_c_args, '-print-libgcc-file-name',
|
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| 444 | check: true,
|
|---|
| 445 | ).stdout().strip()
|
|---|
| 446 |
|
|---|
| 447 | install_files += [[ 'lib', libgcc, 'libgcc.a' ]]
|
|---|
| 448 | install_deps += [ files(libgcc) ]
|
|---|
| 449 | endif
|
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| 450 |
|
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| 451 |
|
|---|
| 452 | # Emit the install script.
|
|---|
| 453 |
|
|---|
| 454 | install_script_text = []
|
|---|
| 455 |
|
|---|
| 456 | # Copy uspace/dist.
|
|---|
| 457 | _uspace = meson.current_source_dir() / 'uspace'
|
|---|
| 458 | install_script_text += 'cp -r -L -T -u "@0@/dist" "${DESTDIR}"'.format(_uspace)
|
|---|
| 459 |
|
|---|
| 460 | # Copy uspace/overlay
|
|---|
| 461 | install_script_text += 'if ls @0@/overlay/* >/dev/null 2>/dev/null; then'.format(_uspace)
|
|---|
| 462 | install_script_text += 'cp -r -L @0@/overlay/* "${DESTDIR}"'.format(_uspace)
|
|---|
| 463 | install_script_text += 'fi'
|
|---|
| 464 |
|
|---|
| 465 |
|
|---|
| 466 | foreach f : install_files
|
|---|
| 467 | _cmd = 'mkdir -p "${DESTDIR}@0@" && cp -L -T "@1@" "${DESTDIR}@0@/@2@"'
|
|---|
| 468 | install_script_text += _cmd.format(f[0], f[1], f[2])
|
|---|
| 469 | endforeach
|
|---|
| 470 |
|
|---|
| 471 | install_script_text += uspace_lib_install_script_text
|
|---|
| 472 |
|
|---|
| 473 | install_script = configure_file(
|
|---|
| 474 | configuration: { 'text' : '\n'.join(install_script_text) },
|
|---|
| 475 | input: 'install.sh.in',
|
|---|
| 476 | output: 'install.sh',
|
|---|
| 477 | )
|
|---|
| 478 |
|
|---|
| 479 | # Build up dist
|
|---|
| 480 |
|
|---|
| 481 | dist_dir = meson.current_build_dir()/'dist/'
|
|---|
| 482 |
|
|---|
| 483 | dist = custom_target('DIST',
|
|---|
| 484 | output: 'dist.tag',
|
|---|
| 485 | input: [ install_script, install_deps ],
|
|---|
| 486 | command: [ sh, '@INPUT0@', '@OUTPUT@', dist_dir ],
|
|---|
| 487 | )
|
|---|
| 488 |
|
|---|
| 489 | # Build initrd image
|
|---|
| 490 |
|
|---|
| 491 | if RDFMT == 'tmpfs'
|
|---|
| 492 | initrd_cmd = [ 'tar', '-c', '-f', '@OUTPUT@', '-C', dist_dir, '.' ]
|
|---|
| 493 | elif RDFMT == 'fat'
|
|---|
| 494 | initrd_cmd = [ mkfat, '1048576', dist_dir, '@OUTPUT@' ]
|
|---|
| 495 | elif RDFMT == 'ext4fs'
|
|---|
| 496 | initrd_cmd = [ mkext4, '1048576', dist_dir, '@OUTPUT@' ]
|
|---|
| 497 | else
|
|---|
| 498 | error('Unknown RDFMT: ' + RDFMT)
|
|---|
| 499 | endif
|
|---|
| 500 |
|
|---|
| 501 | initrd_img = custom_target('initrd.img',
|
|---|
| 502 | output: 'initrd.img',
|
|---|
| 503 | input: dist,
|
|---|
| 504 | command: initrd_cmd,
|
|---|
| 505 | )
|
|---|
| 506 |
|
|---|
| 507 | rd_init_binaries += [[ initrd_img, 'boot/initrd.img' ]]
|
|---|
| 508 |
|
|---|
| 509 | subdir('boot')
|
|---|
| 510 |
|
|---|
| 511 | custom_target(POST_OUTPUT,
|
|---|
| 512 | output: POST_OUTPUT,
|
|---|
| 513 | input: POST_INPUT,
|
|---|
| 514 | command: [ cp, '@INPUT@', '@OUTPUT@' ],
|
|---|
| 515 | build_by_default: true,
|
|---|
| 516 | )
|
|---|
