require 'formula'

class Gdal < Formula
  homepage 'http://www.gdal.org/'
  url 'http://download.osgeo.org/gdal/1.10.1/gdal-1.10.1.tar.gz'
  sha1 'b4df76e2c0854625d2bedce70cc1eaf4205594ae'

  head do
    url 'https://svn.osgeo.org/gdal/trunk/gdal'
    depends_on 'doxygen' => :build
  end

  option 'complete', 'Use additional Homebrew libraries to provide more drivers.'
  option 'enable-opencl', 'Build with OpenCL acceleration.'
  option 'enable-armadillo', 'Build with Armadillo accelerated TPS transforms.'
  option 'enable-unsupported', "Allow configure to drag in any library it can find. Invoke this at your own risk."
  option 'enable-mdb', 'Build with Access MDB driver (requires Java 1.6+ JDK/JRE, from Apple or Oracle).'

  depends_on :python => :recommended
  depends_on :libpng
  depends_on 'jpeg'
  depends_on 'giflib'
  depends_on 'libtiff'
  depends_on 'libgeotiff'
  depends_on 'proj'
  depends_on 'geos'

  depends_on 'sqlite' # To ensure compatibility with SpatiaLite.
  depends_on 'freexl'
  depends_on 'libspatialite'

  depends_on "postgresql" => :optional
  depends_on "mysql" => :optional

  # Without Numpy, the Python bindings can't deal with raster data.
  depends_on 'numpy' => :python if build.with? 'python'

  depends_on 'homebrew/science/armadillo' if build.include? 'enable-armadillo'

  if build.include? 'complete'
    # Raster libraries
    depends_on "homebrew/science/netcdf" # Also brings in HDF5
    depends_on "jasper"
    depends_on "webp"
    depends_on "cfitsio"
    depends_on "epsilon"
    depends_on "libdap"

    # Vector libraries
    depends_on "unixodbc" # OS X version is not complete enough
    depends_on "xerces-c"

    # Other libraries
    depends_on "xz" # get liblzma compression algorithm library from XZutils
    depends_on "poppler"
  end

  def png_prefix
    MacOS.version >= :mountain_lion ? HOMEBREW_PREFIX/"opt/libpng" : MacOS::X11.prefix
  end

  def get_configure_args
    args = [
      # Base configuration.
      "--prefix=#{prefix}",
      "--mandir=#{man}",
      "--disable-debug",
      "--with-local=#{prefix}",
      "--with-threads",
      "--with-libtool",

      # GDAL native backends.
      "--with-pcraster=internal",
      "--with-pcidsk=internal",
      "--with-bsb",
      "--with-grib",
      "--with-pam",

      # Backends supported by OS X.
      "--with-libiconv-prefix=/usr",
      "--with-libz=/usr",
      "--with-png=#{png_prefix}",
      "--with-expat=/usr",
      "--with-curl=/usr/bin/curl-config",

      # Default Homebrew backends.
      "--with-jpeg=#{HOMEBREW_PREFIX}",
      "--without-jpeg12", # Needs specially configured JPEG and TIFF libraries.
      "--with-gif=#{HOMEBREW_PREFIX}",
      "--with-libtiff=#{HOMEBREW_PREFIX}",
      "--with-geotiff=#{HOMEBREW_PREFIX}",
      "--with-sqlite3=#{Formula.factory('sqlite').opt_prefix}",
      "--with-freexl=#{HOMEBREW_PREFIX}",
      "--with-spatialite=#{HOMEBREW_PREFIX}",
      "--with-geos=#{HOMEBREW_PREFIX}/bin/geos-config",
      "--with-static-proj4=#{HOMEBREW_PREFIX}",

      # GRASS backend explicitly disabled.  Creates a chicken-and-egg problem.
      # Should be installed separately after GRASS installation using the
      # official GDAL GRASS plugin.
      "--without-grass",
      "--without-libgrass"
    ]

    # Optional Homebrew packages supporting additional formats.
    supported_backends = %w[
      liblzma
      cfitsio
      hdf5
      netcdf
      jasper
      xerces
      odbc
      dods-root
      epsilon
      webp
      poppler
    ]
    if build.include? 'complete'
      supported_backends.delete 'liblzma'
      args << '--with-liblzma=yes'
      args.concat supported_backends.map {|b| '--with-' + b + '=' + HOMEBREW_PREFIX}
    else
      args.concat supported_backends.map {|b| '--without-' + b} unless build.include? 'enable-unsupported'
    end

    # The following libraries are either proprietary, not available for public
    # download or have no stable version in the Homebrew core that is
    # compatible with GDAL. Interested users will have to install such software
    # manually and most likely have to tweak the install routine.
    #
    # Podofo is disabled because Poppler provides the same functionality and
    # then some.
    unsupported_backends = %w[
      gta
      ogdi
      fme
      hdf4
      openjpeg
      fgdb
      ecw
      kakadu
      mrsid
      jp2mrsid
      mrsid_lidar
      msg
      oci
      ingres
      libkml
      dwgdirect
      idb
      sde
      podofo
      rasdaman
    ]
    args.concat unsupported_backends.map {|b| '--without-' + b} unless build.include? 'enable-unsupported'

    # Database support.
    args << (build.with?("postgresql") ? "--with-pg=#{HOMEBREW_PREFIX}/bin/pg_config" : "--without-pg")
    args << (build.with?("mysql") ? "--with-mysql=#{HOMEBREW_PREFIX}/bin/mysql_config" : "--without-mysql")

    if build.include? 'enable-mdb'
      args << "--with-java=yes"
      # The rpath is only embedded for Oracle (non-framework) installs
      args << "--with-jvm-lib-add-rpath=yes"
      args << "--with-mdb=yes"
    end

    # Python is installed manually to ensure everything is properly sandboxed.
    args << '--without-python'

    # Scripting APIs that have not been re-worked to respect Homebrew prefixes.
    #
    # Currently disabled as they install willy-nilly into locations outside of
    # the Homebrew prefix.  Enable if you feel like it, but uninstallation may be
    # a manual affair.
    #
    # TODO: Fix installation of script bindings so they install into the
    # Homebrew prefix.
    args << "--without-perl"
    args << "--without-php"
    args << "--without-ruby"

    args << (build.include?("enable-opencl") ? "--with-opencl" : "--without-opencl")
    args << (build.include?("enable-armadillo") ? "--with-armadillo=yes" : "--with-armadillo=no")

    return args
  end

  def patches
    p = []

    if build.stable?
      # Patch of configure that finds Mac Java for MDB driver (uses Oracle or Mac default JDK)
      # TODO: Remove when future GDAL release includes a fix
      # http://trac.osgeo.org/gdal/ticket/5267  (patch applied to trunk, 2.0 release milestone)
      # Must come before DATA
      p << "https://gist.github.com/dakcarto/6877854/raw" if build.include? 'enable-mdb'

      # Prevent build failure on 10.6 / 10.7: http://trac.osgeo.org/gdal/ticket/5197
      # Fix build against MySQL 5.6.x: http://trac.osgeo.org/gdal/ticket/5284
      p << DATA
    end

    return p
  end

  def install
    # Linking flags for SQLite are not added at a critical moment when the GDAL
    # library is being assembled. This causes the build to fail due to missing
    # symbols. Also, ensure Homebrew SQLite is used so that Spatialite is
    # functional.
    #
    # Fortunately, this can be remedied using LDFLAGS.
    sqlite = Formula.factory 'sqlite'
    ENV.append 'LDFLAGS', "-L#{sqlite.opt_prefix}/lib -lsqlite3"
    ENV.append 'CFLAGS', "-I#{sqlite.opt_prefix}/include"
    # Needed by libdap.
    ENV.libxml2 if build.include? 'complete'

    # Reset ARCHFLAGS to match how we build.
    ENV['ARCHFLAGS'] = "-arch #{MacOS.preferred_arch}"

    # Fix hardcoded mandir: http://trac.osgeo.org/gdal/ticket/5092
    inreplace 'configure', %r[^mandir='\$\{prefix\}/man'$], ''

    system "./configure", *get_configure_args
    system "make"
    system "make install"

    python do
      # `python-config` may try to talk us into building bindings for more
      # architectures than we really should.
      if MacOS.prefer_64_bit?
        ENV.append_to_cflags "-arch #{Hardware::CPU.arch_64_bit}"
      else
        ENV.append_to_cflags "-arch #{Hardware::CPU.arch_32_bit}"
      end

      cd 'swig/python' do
        system python, "setup.py", "install", "--prefix=#{prefix}", "--record=installed.txt", "--single-version-externally-managed"
        bin.install Dir['scripts/*']
      end
    end

    system 'make', 'man' if build.head?
    system 'make', 'install-man'
    # Clean up any stray doxygen files.
    Dir[bin + '*.dox'].each { |p| rm p }
  end

  def caveats
    msg = ""
    if python
      msg += python.standard_caveats +
      <<-EOS.undent
        This version of GDAL was built with Python support. In addition to providing
        modules that makes GDAL functions available to Python scripts, the Python
        binding provides additional command line tools.
      EOS
    end

    if build.include? 'enable-mdb'
      msg += <<-EOS.undent

      To have a functional MDB driver, install supporting .jar files in:
        `/Library/Java/Extensions/`

      See: `http://www.gdal.org/ogr/drv_mdb.html`
      EOS
    end

    msg
  end
end

__END__
diff --git a/GDALmake.opt.in b/GDALmake.opt.in
index d7273aa..2fcbd53 100644
--- a/GDALmake.opt.in
+++ b/GDALmake.opt.in
@@ -123,6 +123,7 @@ INGRES_INC = @INGRES_INC@
 HAVE_MYSQL =	@HAVE_MYSQL@
 MYSQL_LIB  =	@MYSQL_LIB@
 MYSQL_INC  =	@MYSQL_INC@
+MYSQL_NEEDS_LOAD_DEFAULTS_DECLARATION  =    @MYSQL_NEEDS_LOAD_DEFAULTS_DECLARATION@
 LIBS	   +=	$(MYSQL_LIB)
 
 #
diff --git a/configure b/configure
index 1c4f8fb..120b17f 100755
--- a/configure
+++ b/configure
@@ -700,6 +700,7 @@ INGRES_INC
 INGRES_LIB
 II_SYSTEM
 HAVE_INGRES
+MYSQL_NEEDS_LOAD_DEFAULTS_DECLARATION
 MYSQL_LIB
 MYSQL_INC
 HAVE_MYSQL
@@ -23045,6 +23046,34 @@ $as_echo "no, mysql is pre-4.x" >&6; }
       MYSQL_INC="`$MYSQL_CONFIG --include`"
       { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+
+      # Check if mysql headers declare load_defaults
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking load_defaults() in MySQL" >&5
+$as_echo_n "checking load_defaults() in MySQL... " >&6; }
+      rm -f testmysql.*
+      echo '#include "my_global.h"' > testmysql.cpp
+      echo '#include "my_sys.h"' >> testmysql.cpp
+      echo 'int main(int argc, char** argv) { load_defaults(0, 0, 0, 0); return 0; } ' >> testmysql.cpp
+      if test -z "`${CXX} ${CXXFLAGS} ${MYSQL_INC} -o testmysql testmysql.cpp ${MYSQL_LIB} 2>&1`" ; then
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes, found in my_sys.h" >&5
+$as_echo "yes, found in my_sys.h" >&6; }
+      else
+        echo 'extern "C" void load_defaults(const char *conf_file, const char **groups, int *argc, char ***argv);' > testmysql.cpp
+        echo 'int main(int argc, char** argv) { load_defaults(0, 0, 0, 0); return 0; } ' >> testmysql.cpp
+        if test -z "`${CXX} ${CXXFLAGS} ${MYSQL_INC} -o testmysql testmysql.cpp ${MYSQL_LIB} 2>&1`" ; then
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes, found in library but not in header" >&5
+$as_echo "yes, found in library but not in header" >&6; }
+            MYSQL_NEEDS_LOAD_DEFAULTS_DECLARATION=yes
+        else
+            HAVE_MYSQL=no
+            MYSQL_LIB=
+            MYSQL_INC=
+            as_fn_error $? "Cannot find load_defaults()" "$LINENO" 5
+        fi
+      fi
+      rm -f testmysql.*
+      rm -f testmysql
+
 	;;
   esac
 fi
@@ -23055,6 +23084,8 @@ MYSQL_INC=$MYSQL_INC
 
 MYSQL_LIB=$MYSQL_LIB
 
+MYSQL_NEEDS_LOAD_DEFAULTS_DECLARATION=$MYSQL_NEEDS_LOAD_DEFAULTS_DECLARATION
+
 
 
 
diff --git a/configure.in b/configure.in
index 481e8ea..d83797f 100644
--- a/configure.in
+++ b/configure.in
@@ -2294,6 +2294,31 @@ else
       MYSQL_LIB="`$MYSQL_CONFIG --libs`"
       MYSQL_INC="`$MYSQL_CONFIG --include`"
       AC_MSG_RESULT([yes])
+
+      # Check if mysql headers declare load_defaults
+      AC_MSG_CHECKING([load_defaults() in MySQL])
+      rm -f testmysql.*
+      echo '#include "my_global.h"' > testmysql.cpp
+      echo '#include "my_sys.h"' >> testmysql.cpp
+      echo 'int main(int argc, char** argv) { load_defaults(0, 0, 0, 0); return 0; } ' >> testmysql.cpp
+      if test -z "`${CXX} ${CXXFLAGS} ${MYSQL_INC} -o testmysql testmysql.cpp ${MYSQL_LIB} 2>&1`" ; then
+        AC_MSG_RESULT([yes, found in my_sys.h])
+      else
+        echo 'extern "C" void load_defaults(const char *conf_file, const char **groups, int *argc, char ***argv);' > testmysql.cpp
+        echo 'int main(int argc, char** argv) { load_defaults(0, 0, 0, 0); return 0; } ' >> testmysql.cpp
+        if test -z "`${CXX} ${CXXFLAGS} ${MYSQL_INC} -o testmysql testmysql.cpp ${MYSQL_LIB} 2>&1`" ; then
+            AC_MSG_RESULT([yes, found in library but not in header])
+            MYSQL_NEEDS_LOAD_DEFAULTS_DECLARATION=yes
+        else
+            HAVE_MYSQL=no
+            MYSQL_LIB=
+            MYSQL_INC=
+            AC_MSG_ERROR([Cannot find load_defaults()])
+        fi
+      fi
+      rm -f testmysql.*
+      rm -f testmysql
+
 	;;
   esac
 fi
@@ -2301,6 +2326,7 @@ fi
 AC_SUBST(HAVE_MYSQL,$HAVE_MYSQL)
 AC_SUBST(MYSQL_INC,$MYSQL_INC)
 AC_SUBST(MYSQL_LIB,$MYSQL_LIB)
+AC_SUBST(MYSQL_NEEDS_LOAD_DEFAULTS_DECLARATION,$MYSQL_NEEDS_LOAD_DEFAULTS_DECLARATION)
 
 dnl ---------------------------------------------------------------------------
 dnl INGRES support.
diff --git a/ogr/ogrsf_frmts/mysql/GNUmakefile b/ogr/ogrsf_frmts/mysql/GNUmakefile
index 292ae45..e78398d 100644
--- a/ogr/ogrsf_frmts/mysql/GNUmakefile
+++ b/ogr/ogrsf_frmts/mysql/GNUmakefile
@@ -7,6 +7,11 @@ OBJ	=	ogrmysqldriver.o ogrmysqldatasource.o \
 
 CPPFLAGS	:=	-I.. -I../.. $(GDAL_INCLUDE) $(MYSQL_INC) $(CPPFLAGS)
 
+ifeq ($(MYSQL_NEEDS_LOAD_DEFAULTS_DECLARATION),yes)
+CPPFLAGS +=   -DMYSQL_NEEDS_LOAD_DEFAULTS_DECLARATION
+endif
+
+
 default:	$(O_OBJ:.o=.$(OBJ_EXT))
 
 clean:
diff --git a/ogr/ogrsf_frmts/mysql/ogrmysqldatasource.cpp b/ogr/ogrsf_frmts/mysql/ogrmysqldatasource.cpp
index 65c275b..447e374 100644
--- a/ogr/ogrsf_frmts/mysql/ogrmysqldatasource.cpp
+++ b/ogr/ogrsf_frmts/mysql/ogrmysqldatasource.cpp
@@ -36,6 +36,16 @@
 #include "cpl_conv.h"
 #include "cpl_string.h"
 
+/* Recent versions of mysql no longer declare load_defaults() in my_sys.h */
+/* but they still have it in the lib. Very fragile... */
+#ifdef MYSQL_NEEDS_LOAD_DEFAULTS_DECLARATION
+extern "C" {
+int load_defaults(const char *conf_file, const char **groups,
+                  int *argc, char ***argv);
+void free_defaults(char **argv);
+}
+#endif
+
 CPL_CVSID("$Id: ogrmysqldatasource.cpp 24947 2012-09-22 09:54:23Z rouault $");
 /************************************************************************/
 /*                         OGRMySQLDataSource()                         */
diff --git a/port/cpl_spawn.cpp b/port/cpl_spawn.cpp
index d702594..69ea3c2 100644
--- a/port/cpl_spawn.cpp
+++ b/port/cpl_spawn.cpp
@@ -464,7 +464,7 @@ void CPLSpawnAsyncCloseErrorFileHandle(CPLSpawnedProcess* p)
     #ifdef __APPLE__
         #include <TargetConditionals.h>
     #endif
-    #if defined(__APPLE__) && !defined(TARGET_OS_IPHONE)
+    #if defined(__APPLE__) && (!defined(TARGET_OS_IPHONE) || TARGET_OS_IPHONE==0)
         #include <crt_externs.h>
         #define environ (*_NSGetEnviron())
     #else