configure.ac

   1 dnl Process this file with autoconf to produce a configure script.
   2
   3 AC_INIT(libconfig, 1.6, hyperrealm@gmail.com, libconfig,
   4         [http://www.hyperrealm.com/main.php?s=libconfig])
   5 AC_CONFIG_AUX_DIR([aux-build])
   6 AC_CONFIG_MACRO_DIR([m4])
   7 AC_CANONICAL_TARGET
   8 AM_INIT_AUTOMAKE
   9 AM_CONFIG_HEADER(ac_config.h)
  10
  11 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  12
  13 AC_MSG_NOTICE([libconfig - made with pride in California])
  14 sleep 3
  15
  16 AC_DEFINE_UNQUOTED(TARGET, "${target}", [Configured target name.])
  17
  18 # Enable GNU extensions.
  19 AC_GNU_SOURCE
  20
  21 LT_INIT()
  22
  23 dnl Checks for programs.
  24 AC_PROG_CC
  25 AM_PROG_CC_C_O
  26 AC_PROG_CXX
  27 AC_LIBTOOL_WIN32_DLL
  28 AC_PROG_LIBTOOL
  29
  30 AM_PROG_LEX
  31 if test Z"$LEX" != Zflex; then
  32 cat <<EOF
  33 *******************************************************************
  34 You do not seem to have flex. While flex is not required to build
  35 libconfig, you may need it to regenerate the lexer if you change
  36 the scanner.l file.
  37 *******************************************************************
  38 EOF
  39 fi
  40
  41 AC_PROG_YACC
  42 if test Z"$YACC" != "Zbison -y"; then
  43 cat <<EOF
  44 *******************************************************************
  45 You do not seem to have bison. While bison is not required to build
  46 libconfig, you may need it to regenerate the parser if you change
  47 the grammar.y file.
  48 *******************************************************************
  49 EOF
  50 fi
  51
  52 AC_MSG_CHECKING([for compiler switch to enable full C/C++ warnings]);
  53
  54 dnl Checks for libraries
  55
  56 dnl Enable warnings, if we can determine an appropriate switch...
  57 case "${CC}" in
  58
  59 gcc)
  60         warn_c_sw="-Wall -Wshadow -Wextra -Wdeclaration-after-statement -Wno-unused-parameter"
  61         warn_cxx_sw="-Wall -Wshadow -Wextra -Wno-unused-parameter";;
  62 *)
  63         warn_cxx_sw=""
  64         warn_c_sw="";;
  65 esac
  66
  67 if test -n "${warn_c_sw}";
  68 then
  69         CFLAGS="${CFLAGS} ${warn_c_sw}";
  70         CXXFLAGS="${CXXFLAGS} ${warn_cxx_sw}";
  71         AC_MSG_RESULT([${warn_c_sw}, ${warn_cxx_sw}])
  72 else
  73         AC_MSG_RESULT([(cannot determine)])
  74 fi;
  75
  76
  77 dnl Checks for header files.
  78 AC_HEADER_STDC
  79 AC_CHECK_HEADERS(unistd.h stdint.h xlocale.h)
  80
  81 dnl Checks for typedefs, structures, and compiler characteristics.
  82 AC_C_CONST
  83
  84 dnl Checks for functions
  85
  86 AC_CHECK_FUNCS([newlocale uselocale freelocale])
  87
  88 dnl Package options
  89
  90 docxx=yes
  91
  92 AC_ARG_ENABLE(cxx,
  93 AS_HELP_STRING([--disable-cxx], [Disable building of the C++ library]),
  94 [if test "$enableval" = "no"; then docxx="no"; fi],
  95 [
  96 docxx=yes
  97 ]
  98 )
  99
 100 AM_CONDITIONAL(BUILDCXX, test x$docxx = xyes)
 101
 102 doexamples=yes
 103
 104 AC_ARG_ENABLE(examples,
 105 AS_HELP_STRING([--disable-examples], [Disable building of the example programs]),
 106 [if test "$enableval" = "no"; then doexamples="no"; fi],
 107 [
 108 doexamples=yes
 109 ]
 110 )
 111
 112 AM_CONDITIONAL(BUILDEXAMPLES, test x$doexamples = xyes)
 113
 114 dnl Check for MinGW. Workaround for libtool's DLL_EXPORT stupidity.
 115
 116 case "$target" in
 117         *-*-cygwin* | *-*-mingw*)
 118                 gnuwin=yes;;
 119 esac
 120
 121 AM_CONDITIONAL(GNU_WIN, test x$gnuwin = xyes)
 122
 123 dnl Checks for library functions.
 124
 125 AC_OUTPUT(
 126         Makefile
 127         lib/Makefile
 128         lib/libconfig.pc
 129         lib/libconfig++.pc
 130         lib/libconfigConfig.cmake
 131         lib/libconfig++Config.cmake
 132         doc/Makefile
 133         examples/Makefile
 134         examples/c/Makefile
 135         examples/c++/Makefile
 136         tinytest/Makefile
 137         tests/Makefile
 138         libconfig.spec
 139         )