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 if test ! -d "$srcdir/m4m"; then
   8 AC_MSG_ERROR([
   9 You are missing the m4m/ directory in your top
  10 $PACKAGE_TARNAME source directory.
  11
  12 You are probably using an ill-maintained CVS tree.
  13 Running
  14
  15     cd $srcdir
  16     cvs co m4m
  17
  18 and re-running autogen.sh might help.
  19 ])
  20 fi
  21
  22 GP_CHECK_SHELL_ENVIRONMENT
  23 GP_CONFIG_MSG([Build])
  24 GP_CONFIG_MSG([Source code location],[${srcdir}])
  25
  26 dnl ---------------------------------------------------------------------------
  27 dnl Advanced information about versioning:
  28 dnl   * "Writing shared libraries" by Mike Hearn
  29 dnl         http://navi.cx/~mike/writing-shared-libraries.html
  30 dnl   * libtool.info chapter "Versioning"
  31 dnl ---------------------------------------------------------------------------
  32 dnl Versioning:
  33 dnl  - AGE (Micro):      Increment if any interfaces have been added; set to 0
  34 dnl                      if any interfaces have been removed. Removal has
  35 dnl                      precedence over adding, so set to 0 if both happened.
  36 dnl  - REVISION (Minor): Increment any time the source changes; set to
  37 dnl                      0 if you incremented CURRENT.
  38 dnl  - CURRENT (Major):  Increment if the interface has changes or removals.
  39 dnl ---------------------------------------------------------------------------
  40 LIBEXIF_AGE=1
  41 LIBEXIF_REVISION=0
  42 LIBEXIF_CURRENT=12
  43 AC_SUBST([LIBEXIF_AGE])
  44 AC_SUBST([LIBEXIF_REVISION])
  45 AC_SUBST([LIBEXIF_CURRENT])
  46 LIBEXIF_VERSION_INFO=`expr $LIBEXIF_CURRENT + $LIBEXIF_REVISION`:$LIBEXIF_AGE:$LIBEXIF_REVISION
  47 AC_SUBST([LIBEXIF_VERSION_INFO])
  48
  49 AC_PROG_CC
  50 AC_C_CONST
  51 dnl FIXME: AC_LIBTOOL_WIN32_DLL
  52 AM_PROG_LIBTOOL
  53 AM_CPPFLAGS="$CPPFLAGS"
  54 GP_CONFIG_MSG([Compiler],[${CC}])
  55
  56
  57 dnl Create a stdint.h-like file containing size-specific integer definitions
  58 dnl that will always be available
  59 AX_NEED_STDINT_H([libexif/_stdint.h])
  60
  61
  62 dnl ---------------------------------------------------------------------------
  63 dnl Whether -lm is required for our math functions
  64 dnl ---------------------------------------------------------------------------
  65
  66 # we need sqrt and pow, but checking for sqrt should be sufficient
  67 AC_ARG_VAR([MATHLIBS],[The libraries required for mathematical functions, e.g. -lm])
  68 if test "x$MATHLIBS" = "x"; then
  69         # We must not compile with -Wall -Werror here:
  70         # char *sqrt() conflicts with double sin(const double xx) in any case.
  71         CFLAGS_save="$CPPFLAGS"
  72         CPPFLAGS_save="$CPPFLAGS"
  73         CPPFLAGS=""
  74         CFLAGS=""
  75         AC_CHECK_FUNC([sqrt],[
  76                 MATHLIBS=""
  77         ],[
  78                 AC_CHECK_LIB([m],[sqrt],[
  79                         MATHLIBS="-lm"
  80                 ],[
  81                         AC_MSG_ERROR([
  82 *** Could not find sqrt() function
  83 ])
  84                 ])
  85         ])
  86         CFLAGS="$CFLAGS_save"
  87         CPPFLAGS="$CPPFLAGS_save"
  88 fi
  89 AC_SUBST([MATHLIBS])
  90
  91
  92 # doc support
  93 GP_CHECK_DOC_DIR
  94 GP_CHECK_DOXYGEN
  95
  96
  97 # ---------------------------------------------------------------------------
  98 # i18n support
  99 # ---------------------------------------------------------------------------
 100 GP_GETTEXT_HACK([${PACKAGE}-${LIBEXIF_CURRENT}],
 101                 [Lutz Müller and others])
 102 ALL_LINGUAS="de es fr pl"
 103 AM_GNU_GETTEXT_VERSION([0.14.1])
 104 AM_GNU_GETTEXT([external])
 105 AM_PO_SUBDIRS()
 106 AM_ICONV()
 107 GP_GETTEXT_FLAGS()
 108
 109 dnl We cannot use AC_DEFINE_UNQUOTED() for these definitions, as
 110 dnl we require make to do insert the proper $(datadir) value
 111 localedir="\$(datadir)/locale"
 112 AC_SUBST(localedir)
 113 AM_CPPFLAGS="$AM_CPPFLAGS -DLOCALEDIR=\\\"${localedir}\\\""
 114
 115
 116 dnl ---------------------------------------------------------------------------
 117 dnl Compiler/Linker Options and Warnings
 118 dnl ---------------------------------------------------------------------------
 119 AM_CPPFLAGS="$AM_CPPFLAGS -I\$(top_srcdir)"
 120 AM_CPPFLAGS="$AM_CPPFLAGS -I\$(top_srcdir)/libexif"
 121 AM_LDFLAGS="$LDFLAGS"
 122 if test "x$GCC" = "xyes"; then
 123     AM_CPPFLAGS="$AM_CPPFLAGS -g -Wall -Wmissing-declarations -Wmissing-prototypes"
 124     AM_LDFLAGS="$AM_LDFLAGS -g -Wall"
 125 fi
 126
 127
 128
 129 AC_SUBST(AM_CPPFLAGS)
 130 AC_SUBST(AM_LDFLAGS)
 131
 132
 133 dnl ---------------------------------------------------------------------------
 134 dnl Output files
 135 dnl ---------------------------------------------------------------------------
 136 AC_CONFIG_FILES([
 137   po/Makefile.in
 138   Makefile
 139   libexif.spec
 140   libexif/Makefile
 141   libexif/canon/Makefile
 142   libexif/olympus/Makefile
 143   libexif/pentax/Makefile
 144   test/Makefile
 145   test/nls/Makefile
 146   m4m/Makefile
 147   doc/Makefile
 148   doc/Doxyfile
 149   doc/Doxyfile-internals
 150   libexif/libexif.pc
 151 ])
 152 AC_OUTPUT
 153
 154 GP_CONFIG_OUTPUT