configure.ac

   1 AC_PREREQ(2.59)
   2 AC_INIT([EXIF library],[0.6.13],[libexif-devel@lists.sourceforge.net],[libexif])
   3 AC_CONFIG_SRCDIR([libexif/exif-data.h])
   4 AC_CONFIG_HEADERS([config.h])
   5 AM_INIT_AUTOMAKE([gnu 1.8 dist-bzip2])
   6
   7 GP_CHECK_SHELL_ENVIRONMENT
   8 GP_CONFIG_MSG([Build])
   9 GP_CONFIG_MSG([Source code location],[${srcdir}])
  10
  11 dnl ---------------------------------------------------------------------------
  12 dnl Advanced information about versioning:
  13 dnl   * "Writing shared libraries" by Mike Hearn
  14 dnl         http://navi.cx/~mike/writing-shared-libraries.html
  15 dnl   * libtool.info chapter "Versioning"
  16 dnl ---------------------------------------------------------------------------
  17 dnl Versioning:
  18 dnl  - AGE (Micro):      Increment if any interfaces have been added; set to 0
  19 dnl                      if any interfaces have been removed. Removal has
  20 dnl                      precedence over adding, so set to 0 if both happened.
  21 dnl  - REVISION (Minor): Increment any time the source changes; set to
  22 dnl                      0 if you incremented CURRENT.
  23 dnl  - CURRENT (Major):  Increment if the interface has changes or removals.
  24 dnl ---------------------------------------------------------------------------
  25 LIBEXIF_AGE=0
  26 LIBEXIF_REVISION=0
  27 LIBEXIF_CURRENT=12
  28 AC_SUBST([LIBEXIF_AGE])
  29 AC_SUBST([LIBEXIF_REVISION])
  30 AC_SUBST([LIBEXIF_CURRENT])
  31 LIBEXIF_VERSION_INFO=`expr $LIBEXIF_CURRENT + $LIBEXIF_REVISION`:$LIBEXIF_AGE:$LIBEXIF_REVISION
  32 AC_SUBST([LIBEXIF_VERSION_INFO])
  33
  34 AC_PROG_CC
  35 AC_C_CONST
  36 dnl FIXME: AC_LIBTOOL_WIN32_DLL
  37 AM_PROG_LIBTOOL
  38 AM_CPPFLAGS="$CPPFLAGS"
  39 GP_CONFIG_MSG([Compiler],[${CC}])
  40
  41
  42 dnl Create a stdint.h-like file containing size-specific integer definitions
  43 dnl that will always be available
  44 AX_NEED_STDINT_H([libexif/_stdint.h])
  45
  46
  47 dnl ---------------------------------------------------------------------------
  48 dnl Whether -lm is required for our math functions
  49 dnl ---------------------------------------------------------------------------
  50
  51 # we need sqrt and pow, but checking for sqrt should be sufficient
  52 AC_ARG_VAR([MATHLIBS],[The libraries required for mathematical functions, e.g. -lm])
  53 if test "x$MATHLIBS" = "x"; then
  54         # We must not compile with -Wall -Werror here:
  55         # char *sqrt() conflicts with double sin(const double xx) in any case.
  56         CFLAGS_save="$CPPFLAGS"
  57         CPPFLAGS_save="$CPPFLAGS"
  58         CPPFLAGS=""
  59         CFLAGS=""
  60         AC_CHECK_FUNC([sqrt],[
  61                 MATHLIBS=""
  62         ],[
  63                 AC_CHECK_LIB([m],[sqrt],[
  64                         MATHLIBS="-lm"
  65                 ],[
  66                         AC_MSG_ERROR([
  67 *** Could not find sqrt() function
  68 ])
  69                 ])
  70         ])
  71         CFLAGS="$CFLAGS_save"
  72         CPPFLAGS="$CPPFLAGS_save"
  73 fi
  74 AC_SUBST([MATHLIBS])
  75
  76
  77 # doc support
  78 GP_CHECK_DOC_DIR
  79 GP_CHECK_DOXYGEN
  80
  81
  82 # ---------------------------------------------------------------------------
  83 # i18n support
  84 # ---------------------------------------------------------------------------
  85 GP_GETTEXT_HACK([${PACKAGE}-${LIBEXIF_CURRENT}],
  86                 [Lutz Müller and others])
  87 ALL_LINGUAS="de es fr"
  88 AM_GNU_GETTEXT_VERSION([0.14.1])
  89 AM_GNU_GETTEXT([external])
  90 AM_PO_SUBDIRS()
  91 AM_ICONV()
  92 GP_GETTEXT_FLAGS()
  93
  94 dnl We cannot use AC_DEFINE_UNQUOTED() for these definitions, as
  95 dnl we require make to do insert the proper $(datadir) value
  96 localedir="\$(datadir)/locale"
  97 AC_SUBST(localedir)
  98 AM_CPPFLAGS="$AM_CPPFLAGS -DLOCALEDIR=\\\"${localedir}\\\""
  99
 100
 101 dnl ---------------------------------------------------------------------------
 102 dnl Compiler/Linker Options and Warnings
 103 dnl ---------------------------------------------------------------------------
 104 AM_CPPFLAGS="$AM_CPPFLAGS -I\$(top_srcdir)"
 105 AM_CPPFLAGS="$AM_CPPFLAGS -I\$(top_srcdir)/libexif"
 106 AM_LDFLAGS="$LDFLAGS"
 107 if test "x$GCC" = "xyes"; then
 108     AM_CPPFLAGS="$AM_CPPFLAGS -g -Wall -Wmissing-declarations -Wmissing-prototypes"
 109     AM_LDFLAGS="$AM_LDFLAGS -g -Wall"
 110 fi
 111
 112
 113
 114 AC_SUBST(AM_CPPFLAGS)
 115 AC_SUBST(AM_LDFLAGS)
 116
 117
 118 dnl ---------------------------------------------------------------------------
 119 dnl Output files
 120 dnl ---------------------------------------------------------------------------
 121 AC_CONFIG_FILES([
 122   po/Makefile.in
 123   Makefile
 124   libexif.spec
 125   libexif/Makefile
 126   libexif/canon/Makefile
 127   libexif/olympus/Makefile
 128   libexif/pentax/Makefile
 129   test/Makefile
 130   test/nls/Makefile
 131   m4m/Makefile
 132   doc/Makefile
 133   doc/Doxyfile
 134   libexif/libexif.pc
 135 ])
 136 AC_OUTPUT
 137
 138 GP_CONFIG_OUTPUT