m4/efl_check_libs.m4

   1 dnl Copyright (C) 2012 Vincent Torri <vincent dot torri at gmail dot com>
   2 dnl This code is public domain and can be freely used or copied.
   3
   4 dnl Macro that check dependencies libraries for the EFL:
   5
   6 dnl libjpeg
   7 dnl zlib
   8
   9 dnl _EFL_CHECK_LIB_LIBJPEG is for internal use
  10 dnl _EFL_CHECK_LIB_LIBJPEG(EFL, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
  11
  12 AC_DEFUN([_EFL_CHECK_LIB_LIBJPEG],
  13 [
  14 m4_pushdef([UPEFL], m4_translit([$1], [-a-z], [_A-Z]))dnl
  15 m4_pushdef([DOWNEFL], m4_translit([$1], [-A-Z], [_a-z]))dnl
  16
  17 AC_CHECK_HEADER([jpeglib.h],
  18    [have_dep="yes"],
  19    [
  20     AC_MSG_ERROR(["Cannot find jpeglib.h. Make sure your CFLAGS environment variable contains include lines for the location of this file"])
  21     have_dep="no"
  22    ])
  23
  24 if test "x${have_dep}" = "xyes" ; then
  25    AC_CHECK_LIB([jpeg], [jpeg_std_error],
  26       [
  27        have_dep="yes"
  28        requirements_libs_[]m4_defn([DOWNEFL])="${requirements_libs_[]m4_defn([DOWNEFL])} -ljpeg"
  29       ],
  30       [
  31        AC_MSG_ERROR("Cannot find libjpeg library. Make sure your LDFLAGS environment variable contains include lines for the location of this file")
  32        have_dep="no"
  33       ])
  34 fi
  35
  36 AS_IF([test "x${have_dep}" = "xyes"], [$2], [$3])
  37
  38 m4_popdef([DOWNEFL])
  39 m4_popdef([UPEFL])
  40 ])
  41
  42 dnl _EFL_CHECK_LIB_ZLIB is for internal use
  43 dnl _EFL_CHECK_LIB_ZLIB(EFL, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
  44
  45 AC_DEFUN([_EFL_CHECK_LIB_ZLIB],
  46 [
  47 m4_pushdef([UPEFL], m4_translit([$1], [-a-z], [_A-Z]))dnl
  48 m4_pushdef([DOWNEFL], m4_translit([$1], [-A-Z], [_a-z]))dnl
  49
  50 PKG_CHECK_EXISTS([zlib],
  51    [
  52     _efl_have_lib="yes"
  53     requirements_pc_[]m4_defn([DOWNEFL])="${requirements_pc_[]m4_defn([DOWNEFL])} zlib"
  54    ],
  55    [
  56     AC_MSG_ERROR(["Cannot find zlib.PC. Make sure your PKG_CONFIG_PATH environment variable contains include lines for the location of this file"])
  57     _efl_have_lib="no"
  58    ])
  59
  60 if test "x${_efl_have_lib}" = "xno" ; then
  61    AC_CHECK_HEADER([zlib.h],
  62       [_efl_have_lib="yes"],
  63       [
  64        AC_MSG_ERROR(["Cannot find zlib.h. Make sure your CFLAGS environment variable contains include lines for the location of this file"])
  65        _efl_have_lib="no"
  66       ])
  67
  68    if test "x${_efl_have_lib}" = "xyes" ; then
  69       AC_CHECK_LIB([z], [zlibVersion],
  70          [
  71           _efl_have_lib="yes"
  72           requirements_libs_[]m4_defn([DOWNEFL])="${requirements_libs_[]m4_defn([DOWNEFL])} -lz"
  73          ],
  74          [
  75           AC_MSG_ERROR(["Cannot find libjpeg library. Make sure your LDFLAGS environment variable contains include lines for the location of this file"])
  76           _efl_have_lib="no"
  77          ])
  78    fi
  79 fi
  80
  81 AS_IF([test "x${_efl_have_lib}" = "xyes"], [$2], [$3])
  82
  83 m4_popdef([DOWNEFL])
  84 m4_popdef([UPEFL])
  85 ])
  86
  87 dnl Macro that checks for a library
  88 dnl
  89 dnl EFL_CHECK_LIB(EFL, LIBRARY)
  90 dnl AC_DEFINE : EFL_HAVE_LIBRARY (LIBRARY being replaced by its value)
  91
  92 AC_DEFUN([EFL_CHECK_LIB],
  93 [
  94 m4_pushdef([UP], m4_translit([$2], [-a-z], [_A-Z]))dnl
  95 m4_pushdef([DOWN], m4_translit([$2], [-A-Z], [_a-z]))dnl
  96
  97 m4_default([_EFL_CHECK_LIB_]m4_defn([UP]))($1, [have_lib="yes"], [have_lib="no"])
  98
  99 AC_MSG_CHECKING([for ]m4_defn([DOWN]))
 100 AC_MSG_RESULT([${have_lib}])
 101
 102 if test "x${have_lib}" = "xyes" ; then
 103    AC_DEFINE([HAVE_]m4_defn([UP]), [1], [Define to 1 if the `]m4_defn([DOWN])[' library is installed.])
 104 fi
 105
 106 efl_lib_[]m4_defn([DOWN])="${have_lib}"
 107
 108 m4_popdef([DOWN])
 109 m4_popdef([UP])
 110 ])
 111
 112 dnl Macro that iterates over a sequence of white separated libraries
 113 dnl and that calls EFL_CHECK_LIB() for each of these libraries
 114 dnl
 115 dnl EFL_CHECK_LIBS(EFL, LIBRARIES)
 116
 117 AC_DEFUN([EFL_CHECK_LIBS],
 118 [
 119 m4_foreach_w([lib], [$2], [EFL_CHECK_LIB($1, m4_defn([lib]))])
 120 ])