build/moz.configure/headers.configure

   1 # -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
   2 # vim: set filetype=python:
   3 # This Source Code Form is subject to the terms of the Mozilla Public
   4 # License, v. 2.0. If a copy of the MPL was not distributed with this
   5 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   6
   7 # Check for headers defining standard int types.
   8 check_header("stdint.h")
   9 have_inttypes = check_header("inttypes.h")
  10
  11 # Assume we have ansi C header files available.
  12 set_define("STDC_HEADERS", True)
  13
  14 set_config("HAVE_INTTYPES_H", have_inttypes)
  15
  16 building_linux = depends(target)(lambda target: target.kernel == "Linux")
  17
  18 have_malloc = check_header("malloc.h")
  19
  20 check_header("alloca.h")
  21
  22 add_old_configure_assignment("HAVE_MALLOC_H", have_malloc)
  23
  24 check_headers(
  25     "sys/byteorder.h",
  26     "getopt.h",
  27     "unistd.h",
  28     "nl_types.h",
  29     "cpuid.h",
  30     "fts.h",
  31 )
  32
  33 # These are all the places some variant of statfs can be hiding.
  34 check_headers(
  35     "sys/statvfs.h",
  36     "sys/statfs.h",
  37     "sys/vfs.h",
  38     "sys/mount.h",
  39 )
  40
  41 # Quota support
  42 # Check for both the header and quotactl() because Android headers can have the
  43 # header but not quotactl().
  44 set_define(
  45     "HAVE_SYS_QUOTA_H",
  46     try_compile(
  47         includes=["sys/quota.h"],
  48         body="quotactl(0, nullptr, 0, (caddr_t)nullptr);",
  49         check_msg="for sys/quota.h",
  50     ),
  51 )
  52 check_header("linux/quota.h", includes=["sys/socket.h"], when=building_linux)
  53
  54 # SCTP support - needs various network include headers
  55 check_headers(
  56     "linux/if_addr.h",
  57     "linux/rtnetlink.h",
  58     includes=["sys/socket.h"],
  59     when=building_linux,
  60 )
  61
  62 check_header("sys/queue.h")
  63
  64 check_headers(
  65     "sys/types.h",
  66     "netinet/in.h",
  67     "byteswap.h",
  68 )
  69
  70 # memfd_create(2) -- Note that older versions of the Linux man-pages
  71 # project incorrectly cite <sys/memfd.h>, which doesn't exist; this
  72 # was fixed in the man-pages-5.00 release.
  73 set_define(
  74     "HAVE_MEMFD_CREATE",
  75     try_compile(
  76         includes=["sys/mman.h"],
  77         body='memfd_create("", 0);',
  78         check_msg="for memfd_create in sys/mman.h",
  79     ),
  80 )
  81
  82 # TODO: Move these checks to file specific to --enable-project=js.
  83 have_perf_event_h = check_header("linux/perf_event.h", when=building_linux)
  84
  85 option(
  86     "--with-linux-headers",
  87     help="location where the Linux kernel headers can be found",
  88     nargs=1,
  89 )
  90
  91 passed_linux_header_flags = depends_if("--with-linux-headers")(
  92     lambda v: ["-I%s" % v[0]]
  93 )
  94
  95
  96 @depends(
  97     try_compile(
  98         includes=["asm/unistd.h"],
  99         body="return sizeof(__NR_perf_event_open);",
 100         flags=passed_linux_header_flags,
 101         check_msg="for perf_event_open system call",
 102     ),
 103     when=have_perf_event_h,
 104 )
 105 def have_perf_event_open(have_perf_event_open):
 106     if have_perf_event_open:
 107         return True
 108
 109
 110 set_config("HAVE_LINUX_PERF_EVENT_H", have_perf_event_open)
 111
 112
 113 @depends(passed_linux_header_flags, have_perf_event_open)
 114 def linux_headers_includes(passed_linux_header_flags, have_perf_event_open):
 115     if have_perf_event_open and passed_linux_header_flags:
 116         return passed_linux_header_flags[0]
 117
 118
 119 set_config("LINUX_HEADERS_INCLUDES", linux_headers_includes)