From c206a99fc4692ef9ea48a11bbb9de8a7dd44a7f8 Mon Sep 17 00:00:00 2001
From: Thomas Danckaert <thomas.danckaert@gmail.com>
Date: Fri, 17 Jun 2016 07:55:58 +0200
Subject: [PATCH 1/2] Build only GCTP.

---
 Makefile.am  |   2 +-
 configure.ac | 430 +----------------------------------------------------------
 2 files changed, 2 insertions(+), 430 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 01ed024..335cf1a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -11,5 +11,5 @@ else
 INCLUDE=
 endif
 
-SUBDIRS=gctp src $(INCLUDE) samples $(TESTDRIVERS)
+SUBDIRS=gctp
 
diff --git a/configure.ac b/configure.ac
index cfa9d4e..2b531e4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -22,80 +22,6 @@ AC_PREFIX_DEFAULT([`pwd`/hdfeos5])
 # Check for the math library that HDF5 needs
 AC_CHECK_LIB([m], [ceil])
 
-# Check whether zlib is enabled.
-# HDF-EOS5 doesn't use zlib, but HDF5 might.  If HDF5 does, it needs
-# to be given to the linker or there will be undefined symbols in HDF5.
-# Using h5cc avoids the need to specify zlib at configure time.
-AC_ARG_WITH([zlib],
-            [AC_HELP_STRING([--with-zlib=DIR],
-                            [Specify path to external zlib library.
-                             Linker must be able to find zlib if HDF5
-                             was built with zlib.
-                             [default=yes]])],,
-            withval=yes)
-
-case $withval in
-  yes)
-    HAVE_ZLIB="yes"
-    AC_CHECK_HEADERS([zlib.h],)
-    AC_CHECK_LIB([z], [compress2],, [unset HAVE_ZLIB])
-
-    if test -z "$HAVE_ZLIB"; then
-      AC_MSG_ERROR([couldn't find zlib library])
-    fi
-    ;;
-  no)
-    HAVE_ZLIB="no"
-    AC_MSG_CHECKING([for GNU zlib])
-    AC_MSG_RESULT([suppressed])
-    ;;
-  *)
-    HAVE_ZLIB="yes"
-    case "$withval" in
-      *,*)
-        zlib_inc="`echo $withval |cut -f1 -d,`"
-        zlib_lib="`echo $withval |cut -f2 -d, -s`"
-        ;;
-      *)
-        if test -n "$withval"; then
-          zlib_inc="$withval/include"
-          zlib_lib="$withval/lib"
-        fi
-        ;;
-    esac
-
-    dnl Trying to include -I/usr/include and -L/usr/lib is redundant and
-    dnl can mess some compilers up.
-    if test "X$zlib_inc" = "X/usr/include"; then
-      zlib_inc=""
-    fi
-    if test "X$zlib_lib" = "X/usr/lib"; then
-      zlib_lib=""
-    fi
-
-    saved_CPPFLAGS="$CPPFLAGS"
-    saved_LDFLAGS="$LDFLAGS"
-
-    if test -n "$zlib_inc"; then
-      CPPFLAGS="$CPPFLAGS -I$zlib_inc"
-    fi
-
-    AC_CHECK_HEADERS([zlib.h], ,
-                     [CPPFLAGS="$saved_CPPFLAGS"])
-
-    if test -n "$zlib_lib"; then
-      LDFLAGS="$LDFLAGS -L$zlib_lib"
-    fi
-
-    AC_CHECK_LIB([z], [compress2],,
-                 [LDFLAGS="$saved_LDFLAGS"; unset HAVE_ZLIB])
-
-    if test -z "$HAVE_ZLIB"; then
-      AC_MSG_ERROR([couldn't find zlib library])
-    fi
-    ;;
-esac
-
 dnl --------------------------------------------------
 dnl Check if -Df2cFortran is specified
 dnl Running only the preprocessor may not be a good idea
@@ -172,356 +98,6 @@ if test ${he5_cv_f2cFortran_defined} = "yes"; then
   fi
 fi
 
-# Check whether szlib (szip) is enabled.
-# HDF-EOS5 doesn't use szlib, but HDF5 might.  If HDF5 does, it needs
-# to be given to the linker or there will be undefined symbols in HDF5.
-# Using h5cc should avoid the need to specify szlib at configure time.
-AC_ARG_WITH([szlib],
-            [AC_HELP_STRING([--with-szlib=DIR],
-                            [Use szlib library for external szlib I/O
-                             filter.  Linker must be able to find szlib
-                             if HDF5 was build with szip. [default=no]])],,
-            withval=no)
-
-case $withval in
-  yes)
-    HAVE_SZLIB="yes"
-    AC_CHECK_HEADERS([szlib.h], [HAVE_SZLIB_H="yes"])
-    AC_CHECK_LIB([sz], [SZ_BufftoBuffCompress],, [unset HAVE_SZLIB])
-
-    if test -z "$HAVE_SZLIB"; then
-      AC_MSG_ERROR([couldn't find szlib library, you may need to specify szip library path])
-    fi
-    ;;
-  no)
-    HAVE_SZLIB="no"
-    AC_MSG_CHECKING([for szlib])
-    AC_MSG_RESULT([suppressed])
-    ;;
-  *)
-    HAVE_SZLIB="yes"
-    case "$withval" in
-      *,*)
-        szlib_inc="`echo $withval |cut -f1 -d,`"
-        szlib_lib="`echo $withval |cut -f2 -d, -s`"
-        ;;
-      *)
-        if test -n "$withval"; then
-          szlib_inc="$withval/include"
-          szlib_lib="$withval/lib"
-        fi
-        ;;
-    esac
-
-    dnl Check if szlib.h exists. We cannot use AC_CHECK_HEADERS here
-    dnl because it will use preprocessor. Preprocessor always succeeds in
-    dnl finding szlib.h because h4cc provides the path to szlib.h.
-    AC_CHECK_FILE($szlib_inc/szlib.h, , [unset HAVE_SZLIB])
-    if test -z "$HAVE_SZLIB"; then
-      AC_MSG_ERROR([couldn't find szlib.h, check szip library path])
-    fi
-    
-    dnl Trying to include -I/usr/include and -L/usr/lib is redundant and
-    dnl can mess some compilers up.
-    if test "X$szlib_inc" = "X/usr/include"; then
-      szlib_inc=""
-    fi 
-    if test "X$szlib_lib" = "X/usr/lib"; then
-      szlib_lib=""
-    fi
-    
-    saved_CPPFLAGS="$CPPFLAGS"
-    saved_LDFLAGS="$LDFLAGS"
-    
-    if test -n "$szlib_inc"; then
-      CPPFLAGS="$CPPFLAGS -I$szlib_inc"
-    fi
-    
-    AC_CHECK_HEADERS([szlib.h],
-                     [HAVE_SZLIB_H="yes"],
-                     [CPPFLAGS="$saved_CPPFLAGS"])
-    
-    if test -n "$szlib_lib"; then
-      LDFLAGS="$LDFLAGS -L$szlib_lib"
-    fi
-    
-    AC_CHECK_LIB([sz], [SZ_BufftoBuffCompress],,
-                 [LDFLAGS="$saved_LDFLAGS"; unset HAVE_SZLIB])
-    
-    if test -z "$HAVE_SZLIB" -a -n "$HDF5_CONFIG_ABORT"; then
-      AC_MSG_ERROR([couldn't find szlib library, check if szip library is valid])
-    fi
-    ;;
-esac
-
-
-if test "X$HAVE_SZLIB" = "Xyes"; then
-    dnl SZLIB library is available.  Check if it can encode
-
-    dnl Given that user specifies h5cc, LDFLAGS in h5cc should be overriden; otherwise,
-    dnl the encoding test will be performed on the SZIP library linked with HDF5, not
-    dnl the SZIP library user specifies. To suppress the SZIP library linked with HDF5,
-    dnl we prepend the user-specified SZIP library path to LDFLAGS in h5cc by using awk.
-
-    AC_PROG_AWK
-
-    AC_MSG_CHECKING([for h5cc])
-    PURE_CC=""
-    if ($CC -show &> /dev/null); then
-	dnl Since CC can be "h5cc -Df2cFortran", arguments should be removed
-	PURE_CC=`echo "$CC" | $AWK '{ split($1, array, " ") ; printf array[[1]] }'`
-	AC_MSG_RESULT([$PURE_CC])
-    else
-	AC_MSG_RESULT([$CC])
-	AC_MSG_ERROR([CC is not h5cc])
-    fi
-
-    SZIP_CC=szip_cc
-    cat $PURE_CC | $AWK '{ if ( $0 ~ /^LDFLAGS=\"(.*)/ ) { print substr($0, 1, 9) " -L'$szlib_lib' " substr($0, 10) } else  { print } } ' > $SZIP_CC
-    chmod 755 $SZIP_CC
-    saved_CC="$CC"
-    CC=./$SZIP_CC
-
-    AC_MSG_CHECKING([for szlib encoder])
-
-    AC_CACHE_VAL([he5_cv_szlib_functional],
-        [AC_TRY_RUN([
-	#include <stddef.h>
-        #include <szlib.h>
-
-        int main(void)
-        {
-            SZ_encoder_enabled();
-            exit(0);
-        }
-        ], [he5_cv_szlib_functional=yes], [he5_cv_szlib_functional=no],)])
-
-    AC_CACHE_VAL([he5_cv_szlib_can_encode],
-        [AC_TRY_RUN([
-	#include <stddef.h>
-        #include <szlib.h>
-
-        int main(void)
-        {
-            /* SZ_encoder_enabled returns 1 if encoder is present */
-            if(SZ_encoder_enabled() == 1)
-                exit(0);
-            else
-                exit(1);
-        }
-        ], [he5_cv_szlib_can_encode=yes], [he5_cv_szlib_can_encode=no],)])
-
-    CC="$saved_CC"
-    rm -f $SZIP_CC
-
-    if test ${he5_cv_szlib_functional} = "no"; then
-        he5_cv_szlib_can_encode=broken
-    else
-        AC_DEFINE(HAVE_FILTER_SZIP, 1,
-                [Define if support for szip filter is enabled])
-        USE_FILTER_SZIP="yes"
-    fi
-
-    if test ${he5_cv_szlib_can_encode} = "yes"; then
-    	AC_DEFINE(HAVE_FILTER_SZIP_ENCODER, 1,
-		[Define if support for szip encoder filter is enabled])
-	USE_SZIP_ENCODER="yes"
-        AC_MSG_RESULT([yes])
-    fi
-    if test ${he5_cv_szlib_can_encode} = "no"; then
-        AC_MSG_RESULT([no])
-    fi
-    if test ${he5_cv_szlib_can_encode} = "broken"; then
-        AC_MSG_RESULT([shared szlib doesn't work. disabling szip.])
-    fi
-
-    dnl Add "szip" to external filter list
-    if test ${he5_cv_szlib_can_encode} = "yes"; then
-        if test "X$EXTERNAL_FILTERS" != "X"; then
-            EXTERNAL_FILTERS="${EXTERNAL_FILTERS},"
-        fi
-        EXTERNAL_FILTERS="${EXTERNAL_FILTERS}szip(encoder)"
-    fi
-    if test ${he5_cv_szlib_can_encode} = "no"; then
-        if test "X$EXTERNAL_FILTERS" != "X"; then
-            EXTERNAL_FILTERS="${EXTERNAL_FILTERS},"
-        fi
-        EXTERNAL_FILTERS="${EXTERNAL_FILTERS}szip(no encoder)"
-    fi
-fi
-
-# Check for the HDF5 library using the --with argument
-# Of course HDF5 is required, but the user may be using h5cc, in which case
-# they don't need to specify --with-hdf5.  They can also use
-# --with-hdf5=/path/to/hdf5 to give a specific path.
-HAVE_HDF5="yes"
-AC_ARG_WITH([hdf5],
-            [AC_HELP_STRING([--with-hdf5=DIR],
-                            [Specify path to HDF5 library to use while building
-                            [default=yes]])],,
-            withval=yes)
-
-case $withval in
-  yes)
-    ;;
-  no)
-    AC_MSG_ERROR([HDF5 disabled in confugre, but is required to build HDF-EOS5.])
-    ;;
-  *)
-    case "$withval" in
-      *,*)
-        hdf5_inc="`echo $withval |cut -f1 -d,`"
-        hdf5_lib="`echo $withval |cut -f2 -d, -s`"
-        ;;
-      *)
-        if test -n "$withval"; then
-          hdf5_inc="$withval/include"
-          hdf5_lib="$withval/lib"
-        fi
-        ;;
-    esac
-
-    dnl Trying to include -I/usr/include and -L/usr/lib is redundant and
-    dnl can mess some compilers up.
-    if test "X$hdf5_inc" = "X/usr/include"; then
-      hdf5_inc=""
-    fi
-    if test "X$hdf5_lib" = "X/usr/lib"; then
-      hdf5_lib=""
-    fi
-
-    if test -n "$hdf5_inc"; then
-      CPPFLAGS="$CPPFLAGS -I$hdf5_inc"
-      CFLAGS="$CFLAGS -I$hdf5_inc"
-    fi
-
-    if test -n "$hdf5_lib"; then
-      LDFLAGS="$LDFLAGS -L$hdf5_lib"
-    fi
-    ;;
-esac
-
-dnl See if we have a valid linking path to the HDF5 library, either because
-dnl it's in the user's path or because they provided the correct path using
-dnl --with-hdf5
-AC_CHECK_HEADERS([hdf5.h], , [HAVE_HDF5="no"])
-AC_CHECK_LIB(hdf5, H5Fcreate,, [HAVE_HDF5="no"])
-
-if test "X$HAVE_HDF5" = "Xno"; then
-  AC_MSG_ERROR([can't link against HDF5 library])
-fi
-
-
-# Check whether HDF5 threadsafety is enabled
-AC_MSG_CHECKING([if HDF5 threadsafe mode is enabled])
-AC_TRY_RUN([
-#include "hdf5.h"
-
-int main(void) {
-#ifdef H5_HAVE_THREADSAFE
-  return 0;
-#else
-  return 1;
-#endif
-} ], 
-  [ AC_MSG_RESULT([yes])
-    THREADSAFE="yes"],
-  [AC_MSG_RESULT([no])
-    THREADSAFE="no"])
-
-# Record threadsafe status in config.h and for Makefiles
-if test "X$THREADSAFE" = "Xyes"; then
-  AC_DEFINE([_HDFEOS5_THREADSAFE], [1],
-            [Define if threadsafe HDF-EOS is enabled])
-fi
-
-AM_CONDITIONAL([THREADSAFE_CONDITIONAL], [test "X$THREADSAFE" = "Xyes"])
-
-
-if test "x$HAVE_HDF5" = "xyes"; then
-  dnl Check if HDF5 is linked with SZIP encoder
-
-  AC_MSG_CHECKING([for hdf5 szip decoding filter])
-  AC_CACHE_VAL([he5_cv_hdf5_szip_can_decode],
-      [AC_TRY_RUN([
-      #include <H5Ipublic.h>
-      #include <H5Zpublic.h>
-      
-      int main(int argc, char **argv)
-      {
-              herr_t ret;
-              unsigned int flags = 0;
-              int decoder = 0;
-      
-              ret = H5Zget_filter_info(H5Z_FILTER_SZIP, &flags);
-	      if (ret < 0) exit(1);
-              decoder = flags & H5Z_FILTER_CONFIG_DECODE_ENABLED;
-              if (decoder) exit(0);
-              else exit(1);
-      }
-      ], [he5_cv_hdf5_szip_can_decode=yes], [he5_cv_hdf5_szip_can_decode=no],)])
-  if test ${he5_cv_hdf5_szip_can_decode} = "yes"; then
-    AC_DEFINE(HAVE_HDF5_SZIP_DECODER, 1,
-	    [Define if HDF5 has szip decoder filter])
-    AC_DEFINE(H5_HAVE_FILTER_SZIP, 1,
-	    [Define if HDF5 has szip any type of filter])
-    AC_MSG_RESULT([yes])
-  else
-    AC_MSG_RESULT([no])
-  fi
-
-  AC_MSG_CHECKING([for hdf5 szip encoding filter])
-  AC_CACHE_VAL([he5_cv_hdf5_szip_can_encode],
-      [AC_TRY_RUN([
-      #include <H5Ipublic.h>
-      #include <H5Zpublic.h>
-      
-      int main(int argc, char **argv)
-      {
-              herr_t ret;
-              unsigned int flags = 0;
-              int encoder = 0;
-      
-              ret = H5Zget_filter_info(H5Z_FILTER_SZIP, &flags);
-	      if (ret < 0) exit(1);
-              encoder = flags & H5Z_FILTER_CONFIG_ENCODE_ENABLED;
-              if (encoder) exit(0);
-              else exit(1);
-      }
-      ], [he5_cv_hdf5_szip_can_encode=yes], [he5_cv_hdf5_szip_can_encode=no],)])
-
-  if test ${he5_cv_hdf5_szip_can_encode} = "yes"; then
-    AC_DEFINE(HAVE_HDF5_SZIP_ENCODER, 1,
-	    [Define if HDF5 has szip encoder filter])
-    AC_MSG_RESULT([yes])
-  else
-    AC_MSG_RESULT([no])
-  fi
-
-  dnl Check if SZIP linked with HDF5 has the same configuration as SZIP given by --with-szlib option has
-  if test ${he5_cv_hdf5_szip_can_decode} = "no"; then
-    if test "X$HAVE_SZLIB" = "Xyes"; then
-      AC_MSG_ERROR([HDF5 was linked without SZIP, but --with-szlib was given])
-    fi
-  else
-    if test "X$HAVE_SZLIB" != "Xyes"; then
-      AC_MSG_ERROR([HDF5 was linked with SZIP, but --with-szlib was not given])
-    fi
-    if test ${he5_cv_szlib_functional} = "no"; then
-      AC_MSG_ERROR([SZIP specified in --with-szlib is not functional])
-    fi
-    if test ${he5_cv_hdf5_szip_can_encode} = "no"; then
-      if test ${he5_cv_szlib_can_encode} = "yes"; then
-	AC_MSG_ERROR([HDF5 was linked without SZIP encoder, but yours has SZIP encoder])
-      fi
-    else
-      if test ${he5_cv_szlib_can_encode} = "no"; then
-	AC_MSG_ERROR([HDF5 was linked with SZIP encoder, but yours does not have SZIP encoder])
-      fi
-    fi
-  fi
-fi
-
 # Set CFLAGS to prevent AC_PROG_CC from setting it
 CFLAGS=$CFLAGS
 
@@ -584,14 +160,10 @@ AM_CONDITIONAL([INSTALL_INCLUDE_CONDITIONAL], [test "X$INSTALL_INCLUDE" = "Xyes"
 AM_CONDITIONAL([F2CFORTRAN_CONDITIONAL], [test "X$F2CFORTRAN_MACRO" = "Xyes"])
 AM_CONDITIONAL([F2CFORTRAN_90_CONDITIONAL], [test "X$F2CFORTRAN_90" = "Xyes"])
 AM_CONDITIONAL([F2CFORTRAN_32PTR_CONDITIONAL], [test "X$F2CFORTRAN_32PTR" = "Xyes"])
-AM_CONDITIONAL([SZIP_ENCODER_CONDITIONAL], [test "X$USE_SZIP_ENCODER" = "Xyes"])
 
 AC_CONFIG_FILES([Makefile
-                 include/Makefile
-                 src/Makefile
                  gctp/Makefile
                  gctp/include/Makefile
-                 gctp/src/Makefile
-                 samples/Makefile])
+                 gctp/src/Makefile])
 
 AC_OUTPUT
-- 
2.5.0