fix my mail address

[rrdtool.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 8482501..b64d480 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -4,17 +4,17 @@ dnl
 dnl Created by Jeff Allen, Tobi Oetiker, Blair Zajac
 dnl
 dnl Inspiration from http://autoconf-archive.cryp.to
 dnl Created by Jeff Allen, Tobi Oetiker, Blair Zajac
 dnl
 dnl Inspiration from http://autoconf-archive.cryp.to

-
+ 

 dnl tell automake the this script is for rrdtool
 dnl the official version number is
 dnl a.b.c
 dnl tell automake the this script is for rrdtool
 dnl the official version number is
 dnl a.b.c

-AC_INIT([rrdtool],[1.2.8])
+AC_INIT([rrdtool],[1.2.12])

 dnl for testing a numberical version number comes handy
 dnl the released version are
 dnl a.bccc
 dnl the devl versions will be something like
 dnl a.b999yymmddhh 
 dnl for testing a numberical version number comes handy
 dnl the released version are
 dnl a.bccc
 dnl the devl versions will be something like
 dnl a.b999yymmddhh 

-NUMVERS=1.2008
+NUMVERS=1.2012

 AC_SUBST(NUMVERS)
 AC_CANONICAL_TARGET
 AM_INIT_AUTOMAKE
 AC_SUBST(NUMVERS)
 AC_CANONICAL_TARGET
 AM_INIT_AUTOMAKE


@@ -26,7 +26,6 @@ dnl is in there
 
 dnl determine the type of system we are running on
 
 
 dnl determine the type of system we are running on
 

-

 AC_SUBST(VERSION)
 
 AC_PREFIX_DEFAULT( /usr/local/rrdtool-$PACKAGE_VERSION )
 AC_SUBST(VERSION)
 
 AC_PREFIX_DEFAULT( /usr/local/rrdtool-$PACKAGE_VERSION )


@@ -78,6 +77,10 @@ char *strchr (), *strrchr ();
 # define rrd_realloc(a,b) realloc((a), (b))
 #endif      
 
 # define rrd_realloc(a,b) realloc((a), (b))
 #endif      
 

+#if NEED_MALLOC_MALLOC_H
+#  include <malloc/malloc.h>
+#endif
+

 #if HAVE_MATH_H
 #  include <math.h>
 #endif
 #if HAVE_MATH_H
 #  include <math.h>
 #endif


@@ -143,12 +146,17 @@ char *strchr (), *strrchr ();
 #endif /* CONFIG_H */
 ])
 
 #endif /* CONFIG_H */
 ])
 

+dnl Process Special Options
+dnl -----------------------------------

 
 

+dnl How the vertical axis label is printed
+AC_ARG_VAR(RRDGRAPH_YLEGEND_ANGLE, 
+ [Vertical label angle: 90.0 (default) or 270.0])
+AC_DEFINE_UNQUOTED(RRDGRAPH_YLEGEND_ANGLE,${RRDGRAPH_YLEGEND_ANGLE:-90.0},
+ [Vertical label angle: 90.0 (default) or 270.0])

 
 

-dnl Check for the compiler and static/shared library creation.
-AC_PROG_CC
-AC_PROG_CPP
-AC_PROG_LIBTOOL
+AC_ARG_ENABLE(rrdcgi,[  --disable-rrdcgi        disable building of rrdcgi],
+[],[enable_rrdcgi=yes])

 
 dnl Check if we run on a system that has fonts
 AC_ARG_WITH(rrd-default-font,
 
 dnl Check if we run on a system that has fonts
 AC_ARG_WITH(rrd-default-font,


@@ -161,8 +169,31 @@ AC_ARG_WITH(rrd-default-font,
   fi
 ])
 
   fi
 ])
 

+dnl Use mmap in rrd_update instead of seek+write
+AC_ARG_ENABLE([mmap],
+[  --disable-mmap          disable mmap in rrd_update, use seek+write instead],
+[],
+[enable_mmap=yes])
+
+
+ AC_ARG_ENABLE(pthread,[  --disable-pthread       disable multithread support],
+[],[enable_pthread=yes])
+
+
+
+CONFIGURE_PART(Audit Compilation Environment)
+
+
+dnl Check for the compiler and static/shared library creation.
+AC_PROG_CC
+AC_PROG_CPP
+AC_PROG_LIBTOOL
+
+

 AC_SUBST(RRD_DEFAULT_FONT)
 
 AC_SUBST(RRD_DEFAULT_FONT)
 

+CONFIGURE_PART(Checking for Header Files)
+ 

 dnl Checks for header files.
 AC_HEADER_STDC
 AC_HEADER_DIRENT
 dnl Checks for header files.
 AC_HEADER_STDC
 AC_HEADER_DIRENT


@@ -180,6 +211,8 @@ dnl add pic flag in any case this makes sure all our code is relocatable
 eval `./libtool --config | grep pic_flag`
 CFLAGS="$CFLAGS $pic_flag"
 
 eval `./libtool --config | grep pic_flag`
 CFLAGS="$CFLAGS $pic_flag"
 

+CONFIGURE_PART(Test Library Functions)
+

 dnl Checks for library functions.
 AC_FUNC_STRFTIME
 AC_FUNC_VPRINTF
 dnl Checks for library functions.
 AC_FUNC_STRFTIME
 AC_FUNC_VPRINTF


@@ -191,55 +224,61 @@ dnl of the form HAVE_FUNCTION
 
 AC_CHECK_FUNCS(tzset mbstowcs opendir readdir chdir chroot getuid setlocale strerror strerror_r snprintf vsnprintf fpclass class fp_class isnan memmove strchr mktime getrusage gettimeofday)
 
 
 AC_CHECK_FUNCS(tzset mbstowcs opendir readdir chdir chroot getuid setlocale strerror strerror_r snprintf vsnprintf fpclass class fp_class isnan memmove strchr mktime getrusage gettimeofday)
 

-dnl Use mmap in rrd_update instead of seek+write
-AC_ARG_ENABLE([mmap],
-[  --disable-mmap          disable mmap in rrd_update, use seek+write instead],
-[],
-[enable_mmap=yes])

 
 if test "x$enable_mmap" = xyes; then
 
 if test "x$enable_mmap" = xyes; then

-  AC_FUNC_MMAP
+  case "$host" in
+    *cygwin*)
+       # the normal mmap test does not work in cygwin
+       AC_CHECK_FUNCS(mmap)
+       if [ "x${ac_cv_func_mmap}" = xyes ]; then
+         ac_cv_func_mmap_fixed_mapped=yes
+       fi
+    ;;
+    *)
+       AC_FUNC_MMAP
+    ;;
+  esac

 fi
 
 fi
 

+
+CONFIGURE_PART(IEEE Math Checks)
+ 

 dnl HP-UX 11.00 does not have finite but does have isfinite as a macro so we need
 dnl actual code to check if this works
 AC_CHECK_FUNCS(fpclassify, ,
   [AC_MSG_CHECKING(for fpclassify with <math.h>)
 dnl HP-UX 11.00 does not have finite but does have isfinite as a macro so we need
 dnl actual code to check if this works
 AC_CHECK_FUNCS(fpclassify, ,
   [AC_MSG_CHECKING(for fpclassify with <math.h>)

-    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; fpclassify(f)]])],[AC_MSG_RESULT(yes)
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>
+volatile int x;volatile float f; ]], [[x = fpclassify(f)]])],[AC_MSG_RESULT(yes)

       AC_DEFINE(HAVE_FPCLASSIFY)],[AC_MSG_RESULT(no)])])
 AC_CHECK_FUNCS(finite, ,
   [AC_CHECK_FUNCS(isfinite, ,
     [AC_MSG_CHECKING(for isfinite with <math.h>)
       AC_DEFINE(HAVE_FPCLASSIFY)],[AC_MSG_RESULT(no)])])
 AC_CHECK_FUNCS(finite, ,
   [AC_CHECK_FUNCS(isfinite, ,
     [AC_MSG_CHECKING(for isfinite with <math.h>)

-    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; isfinite(f)]])],[AC_MSG_RESULT(yes)
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>
+volatile int x;volatile float f;  ]], [[x = isfinite(f)]])],[AC_MSG_RESULT(yes)

       AC_DEFINE(HAVE_ISFINITE)],[AC_MSG_RESULT(no)])])])
 AC_CHECK_FUNCS(isinf, ,
   [AC_MSG_CHECKING(for isinf with <math.h>)
       AC_DEFINE(HAVE_ISFINITE)],[AC_MSG_RESULT(no)])])])
 AC_CHECK_FUNCS(isinf, ,
   [AC_MSG_CHECKING(for isinf with <math.h>)

-    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; isinf(f)]])],[AC_MSG_RESULT(yes)
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>
+volatile int x;volatile float f;  ]], [[x = isinf(f)]])],[AC_MSG_RESULT(yes)

       AC_DEFINE(HAVE_ISINF)],[AC_MSG_RESULT(no)])])
 
 AC_FULL_IEEE
 
       AC_DEFINE(HAVE_ISINF)],[AC_MSG_RESULT(no)])])
 
 AC_FULL_IEEE
 

-dnl How the vertical axis label is printed
-AC_ARG_VAR(RRDGRAPH_YLEGEND_ANGLE, 
- [Vertical label angle: 90.0 (default) or 270.0])
-AC_DEFINE_UNQUOTED(RRDGRAPH_YLEGEND_ANGLE,${RRDGRAPH_YLEGEND_ANGLE:-90.0},
- [Vertical label angle: 90.0 (default) or 270.0])
-
+CONFIGURE_PART(Resolve Portability Issues)

 
 

-AC_ARG_ENABLE(rrdcgi,[  --disable-rrdcgi        disable building of rrdcgi],
-[],[enable_rrdcgi=yes])
-AM_CONDITIONAL(BUILD_RRDCGI,[test $enable_rrdcgi != no])
+dnl what does realloc do if it gets called with a NULL pointer

 
 

-if test $enable_rrdcgi != no; then
-EX_CHECK_ALL(cgi,        cgiInit,                   cgi.h,                  cgilib,      0.5,    http://www.infodrom.org/projects/cgilib, "")
-fi
-EX_CHECK_ALL(art_lgpl_2, art_vpath_add_point,       libart_lgpl/libart.h,   libart-2.0,  2.3.17, ftp://ftp.gnome.org/pub/GNOME/sources/libart_lgpl/2.3/, /usr/include/libart-2.0)
-EX_CHECK_ALL(z,          zlibVersion,               zlib.h,                 zlib,        1.2.2,  http://www.gzip.org/zlib/, "")
-EX_CHECK_ALL(png,        png_access_version_number, png.h,                  libpng,      1.2.8,  http://prdownloads.sourceforge.net/libpng/, "")
-EX_CHECK_ALL(freetype,   FT_Init_FreeType,          ft2build.h,                    freetype2,   2.1.9,  http://prdownloads.sourceforge.net/freetype/, /usr/include/freetype2)
+AC_CACHE_CHECK([if realloc can deal with NULL], rd_cv_null_realloc,
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
+             int main(void){
+              char *x = NULL;
+             x = realloc (x,10);
+             if (x==NULL) return 1;
+             return 0;
+             }]])],[rd_cv_null_realloc=yes],[rd_cv_null_realloc=nope],[:])])

 
 

-if test "$EX_CHECK_ALL_ERR" = "YES"; then
-  AC_MSG_ERROR([Please fix the library issues listed above and try again.])
+if test x"$rd_cv_null_realloc" = xnope; then
+AC_DEFINE(NO_NULL_REALLOC)

 fi
 
 AC_LANG_PUSH(C)
 fi
 
 AC_LANG_PUSH(C)


@@ -265,7 +304,7 @@ AC_LINK_IFELSE(
                 [[#include <time.h>]],
                 [[ctime_r(NULL,NULL)]]
                         ),
                 [[#include <time.h>]],
                 [[ctime_r(NULL,NULL)]]
                         ),

-          [AC_MSG_RESULT(yes)],
+          [AC_MSG_RESULT(no)],

           [AC_MSG_ERROR([Can't figure how to compile ctime_r])]
       )
     ]  
           [AC_MSG_ERROR([Can't figure how to compile ctime_r])]
       )
     ]  


@@ -278,11 +317,6 @@ dnl http://autoconf-archive.cryp.to/acx_pthread.m4
 AC_SUBST(MULTITHREAD_CFLAGS)
 AC_SUBST(MULTITHREAD_LDFLAGS)
 
 AC_SUBST(MULTITHREAD_CFLAGS)
 AC_SUBST(MULTITHREAD_LDFLAGS)
 

- 
-AC_ARG_ENABLE(pthread,[  --disable-pthread       disable multithread support],
-[],[enable_pthread=yes])
-
-

 if test $enable_pthread != no; then 
  ACX_PTHREAD([
     MULTITHREAD_CFLAGS=$PTHREAD_CFLAGS
 if test $enable_pthread != no; then 
  ACX_PTHREAD([
     MULTITHREAD_CFLAGS=$PTHREAD_CFLAGS


@@ -298,8 +332,47 @@ if test  "x$x_rflag" != "xno"; then
    CPPFLAGS="$CPPFLAGS $x_rflag"
 fi
 
    CPPFLAGS="$CPPFLAGS $x_rflag"
 fi
 

- 

 AM_CONDITIONAL(BUILD_MULTITHREAD,[test $enable_pthread != no])
 AM_CONDITIONAL(BUILD_MULTITHREAD,[test $enable_pthread != no])

+
+AC_LANG_PUSH(C)
+dnl see if we have to include malloc/malloc.h
+AC_MSG_CHECKING([do we need malloc/malloc.h])
+AC_LINK_IFELSE(
+    AC_LANG_PROGRAM(
+           [[#include <stdlib.h>]],
+           [[malloc(1)]]
+                   ),
+    [ AC_MSG_RESULT([nope, works out of the box]) ],
+    [ AC_LINK_IFELSE(
+          AC_LANG_PROGRAM(
+                [[#include <stdlib.h>
+                  #include <malloc/malloc.h>]],
+                [[malloc(1)]]
+                        ),
+          [AC_DEFINE(NEED_MALLOC_MALLOC_H)
+           AC_MSG_RESULT([yes we do])],
+          [AC_MSG_ERROR([Can't figure how to compile malloc])]
+      )
+    ]  
+)
+AC_LANG_POP(C)
+
+CONFIGURE_PART(Findr 3rd-Party Libraries)
+
+
+AM_CONDITIONAL(BUILD_RRDCGI,[test $enable_rrdcgi != no])
+
+EX_CHECK_ALL(art_lgpl_2, art_vpath_add_point,       libart_lgpl/libart.h,   libart-2.0,  2.3.17, ftp://ftp.gnome.org/pub/GNOME/sources/libart_lgpl/2.3/, /usr/include/libart-2.0)
+EX_CHECK_ALL(z,          zlibVersion,               zlib.h,                 zlib,        1.2.3,  http://www.gzip.org/zlib/, "")
+EX_CHECK_ALL(png,        png_access_version_number, png.h,                  libpng,      1.2.10,  http://prdownloads.sourceforge.net/libpng/, "")
+EX_CHECK_ALL(freetype,   FT_Init_FreeType,          ft2build.h,                    freetype2,   2.1.10,  http://prdownloads.sourceforge.net/freetype/, /usr/include/freetype2)
+
+if test "$EX_CHECK_ALL_ERR" = "YES"; then
+  AC_MSG_ERROR([Please fix the library issues listed above and try again.])
+fi
+
+
+CONFIGURE_PART(Prep for Building Language Bindings)

   
 dnl Check for Perl.
 AC_PATH_PROG(PERL, perl, no)
   
 dnl Check for Perl.
 AC_PATH_PROG(PERL, perl, no)


@@ -308,6 +381,11 @@ AC_ARG_ENABLE(perl,[  --disable-perl          do not build the perl modules],
 [],[enable_perl=yes])
 
 
 [],[enable_perl=yes])
 
 

+AC_ARG_VAR(PERLCC, [[] C compiler for Perl modules])
+AC_ARG_VAR(PERLCCFLAGS, [[] CC flags for Perl modules])
+AC_ARG_VAR(PERLLD, [[same as PERLCC] Linker for Perl modules])
+AC_ARG_VAR(PERLLDFLAGS, [[] LD flags for Perl modules])
+

 if test "x$PERL" = "xno" -o  x$enable_perl = xno; then
        COMP_PERL=
 else
 if test "x$PERL" = "xno" -o  x$enable_perl = xno; then
        COMP_PERL=
 else


@@ -315,23 +393,27 @@ else
         AC_MSG_CHECKING(for the perl version you are running)
        PERL_VERSION=`$PERL -MConfig -e 'print $Config{version}'`
        AC_MSG_RESULT($PERL_VERSION)
         AC_MSG_CHECKING(for the perl version you are running)
        PERL_VERSION=`$PERL -MConfig -e 'print $Config{version}'`
        AC_MSG_RESULT($PERL_VERSION)

-        AC_MSG_CHECKING(for the C compiler perl wants to use to build its modules)
-       perlcc=`$PERL -MConfig -e 'print $Config{cc}'`
-       AC_MSG_RESULT($perlcc)
-       if test ! -x "$perlcc"; then
-              AC_PATH_PROG(PERLCC, "${perlcc}", no)
-              if test "$PERLCC" = "no"; then
-                  AC_MSG_WARN([
-I would not find the Compiler ($perlcc) that was originally used to compile your
-perl binary. You should either make sure that this compiler is available on your
-system, or use a different perl setup that was compiled with $CC.
-
-I will disable the compilation of the RRDs perl module.
+        if test -z "$PERLCC"; then
+            AC_MSG_CHECKING(for the C compiler perl wants to use to build its modules)
+           perlcc=`$PERL -MConfig -e 'print $Config{cc}'`
+           AC_MSG_RESULT($perlcc)
+           if test ! -x "$perlcc"; then
+               AC_PATH_PROG(PERL_CC, "${perlcc}", no)
+               if test "$PERL_CC" = "no"; then
+                    AC_MSG_WARN([
+I would not find the Compiler ($perlcc) that was originally used to compile
+your perl binary. You should either make sure that this compiler is
+available on your system, pick an other compiler and set PERLCC
+appropriately, or use a different perl setup that was compiled locally.
+
+I will disable the compilation of the RRDs perl module for now.

 ])
 ])

-                 COMP_PERL="perl_piped"
-              fi
+                   COMP_PERL="perl_piped"
+               fi
+            fi    

         fi
 fi
         fi
 fi

+

 AC_MSG_CHECKING(Perl Modules to build)
 AC_MSG_RESULT(${COMP_PERL:-No Perl Modules will be built})
 
 AC_MSG_CHECKING(Perl Modules to build)
 AC_MSG_RESULT(${COMP_PERL:-No Perl Modules will be built})
 


@@ -351,6 +433,23 @@ AC_ARG_ENABLE(perl-site-install,
                           your perl setup thinks it is best.],
 [PERL_MAKE_OPTIONS=],[])
 
                           your perl setup thinks it is best.],
 [PERL_MAKE_OPTIONS=],[])
 

+if test ! -z "$PERLCC"; then
+   PERL_MAKE_OPTIONS="$PERL_MAKE_OPTIONS CC=$PERLCC"
+
+   if test ! -z "$PERLCCFLAGS"; then
+       PERL_MAKE_OPTIONS="$PERL_MAKE_OPTIONS CCFLAGS=$PERLCCFLAGS"
+   fi
+   
+   if test -z "$PERLLD"; then
+       PERLLD=$PERLCC
+   fi
+   PERL_MAKE_OPTIONS="$PERL_MAKE_OPTIONS LD=$PERLLD"
+  
+   if test ! -z "$PERLLDFLAGS"; then
+       PERL_MAKE_OPTIONS="$PERL_MAKE_OPTIONS LDFLAGS=$PERLLDFLAGS"
+   fi
+fi
+        

 AC_ARG_WITH(perl-options,
 [  --with-perl-options=[OPTIONS]  options to pass on command-line when
                           generating Makefile from Makefile.PL. If you set this
 AC_ARG_WITH(perl-options,
 [  --with-perl-options=[OPTIONS]  options to pass on command-line when
                           generating Makefile from Makefile.PL. If you set this


@@ -363,6 +462,8 @@ AC_SUBST(PERL)
 AC_SUBST(COMP_PERL)
 AC_SUBST(PERL_VERSION)
 
 AC_SUBST(COMP_PERL)
 AC_SUBST(PERL_VERSION)
 

+enable_tcl_site=no
+

 AC_ARG_ENABLE(tcl,[  --disable-tcl           do not build the tcl modules],
 [],[enable_tcl=yes])
 
 AC_ARG_ENABLE(tcl,[  --disable-tcl           do not build the tcl modules],
 [],[enable_tcl=yes])
 


@@ -371,24 +472,31 @@ if test  "$enable_tcl" = "yes"; then
   withval=""
   AC_ARG_WITH(tcllib,[  --with-tcllib=DIR       location of the tclConfig.sh])
   enable_tcl=no
   withval=""
   AC_ARG_WITH(tcllib,[  --with-tcllib=DIR       location of the tclConfig.sh])
   enable_tcl=no

-  AC_MSG_CHECKING(for tclConfig.sh in $withval)
-  if test -f "$withval/tclConfig.sh" ; then
-       tcl_config=$withval/tclConfig.sh
+  for dir in $withval /usr/lib /usr/local/lib; do
+    AC_MSG_CHECKING(for tclConfig.sh in $dir)
+    if test -f "$dir/tclConfig.sh" ; then
+       tcl_config=$dir/tclConfig.sh

         enable_tcl=yes
         AC_MSG_RESULT(yes)
         break
         enable_tcl=yes
         AC_MSG_RESULT(yes)
         break

-  else
+    else

         AC_MSG_RESULT(no)
         AC_MSG_RESULT(no)

-  fi
+    fi
+  done

 
   if test "$enable_tcl" = "no"; then
         AC_MSG_WARN([tclConfig.sh not found - Tcl interface won't be built])
   else
        . $tcl_config
 
   if test "$enable_tcl" = "no"; then
         AC_MSG_WARN([tclConfig.sh not found - Tcl interface won't be built])
   else
        . $tcl_config

+       TCL_PACKAGE_DIR="$TCL_PACKAGE_PATH/tclrrd$VERSION"

   fi
   fi

+  AC_ARG_ENABLE(tcl,[  --enable-tcl-site        install the tcl extension in the tcl tree],
+  [],[enable_tcl_site=yes])
+

 fi
 
 AM_CONDITIONAL(BUILD_TCL, test "$enable_tcl" = "yes" )
 fi
 
 AM_CONDITIONAL(BUILD_TCL, test "$enable_tcl" = "yes" )

+AM_CONDITIONAL(BUILD_TCL_SITE, test "$enable_tcl_site" = "yes" )

 
 AC_SUBST(TCL_PREFIX)
 AC_SUBST(TCL_SHLIB_CFLAGS)
 
 AC_SUBST(TCL_PREFIX)
 AC_SUBST(TCL_SHLIB_CFLAGS)


@@ -396,6 +504,9 @@ AC_SUBST(TCL_SHLIB_LD)
 AC_SUBST(TCL_SHLIB_SUFFIX)
 AC_SUBST(TCL_PACKAGE_PATH)
 AC_SUBST(TCL_LD_SEARCH_FLAGS)
 AC_SUBST(TCL_SHLIB_SUFFIX)
 AC_SUBST(TCL_PACKAGE_PATH)
 AC_SUBST(TCL_LD_SEARCH_FLAGS)

+AC_SUBST(TCL_STUB_LIB_SPEC)
+AC_SUBST(TCL_VERSION)
+AC_SUBST(TCL_PACKAGE_DIR)

 
 AC_ARG_ENABLE(python,[  --disable-python        do not build the python modules],
 [],[enable_python=yes])
 
 AC_ARG_ENABLE(python,[  --disable-python        do not build the python modules],
 [],[enable_python=yes])


@@ -412,10 +523,14 @@ dnl Check for nroff
 AC_PATH_PROGS(NROFF, gnroff nroff)
 AC_PATH_PROGS(TROFF, groff troff)
 
 AC_PATH_PROGS(NROFF, gnroff nroff)
 AC_PATH_PROGS(TROFF, groff troff)
 

+AC_ARG_VAR(RRDDOCDIR, [[DATADIR/doc/PACKAGE-VERSION] Documentation directory])
+if test -z "$RRDDOCDIR"; then
+   RRDDOCDIR='${datadir}/doc/${PACKAGE}-${VERSION}'; fi
+

 dnl Does the compiler like -Wall and -pedantic?
 if test "$GCC" = "yes"; then
   oCFLAGS=$CFLAGS
 dnl Does the compiler like -Wall and -pedantic?
 if test "$GCC" = "yes"; then
   oCFLAGS=$CFLAGS

-  CFLAGS="$CFLAGS -Wall -pedantic -Wshadow -Wpointer-arith -Wcast-align -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline -W"
+  CFLAGS="$CFLAGS -fno-strict-aliasing -Wall -pedantic -Wshadow -Wpointer-arith -Wcast-align -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline -W"

   AC_CACHE_CHECK(if we can use GCC-specific compiler options, rd_cv_gcc_opt,
                 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[return 0 ]])],[rd_cv_gcc_opt=yes],[rd_cv_gcc_opt=no ])
                ]
   AC_CACHE_CHECK(if we can use GCC-specific compiler options, rd_cv_gcc_opt,
                 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[return 0 ]])],[rd_cv_gcc_opt=yes],[rd_cv_gcc_opt=no ])
                ]


@@ -425,43 +540,32 @@ if test "$GCC" = "yes"; then
   fi
 fi
 
   fi
 fi
 

-dnl what does realloc do if it gets called with a NULL pointer

 
 

-AC_CACHE_CHECK([if realloc can deal with NULL], rd_cv_null_realloc,
-[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
-             int main(void){
-              char *x = NULL;
-             x = realloc (x,10);
-             if (x==NULL) return 1;
-             return 0;
-             }]])],[rd_cv_null_realloc=yes],[rd_cv_null_realloc=nope],[:])])
-
-if test x"$rd_cv_null_realloc" = xnope; then
-AC_DEFINE(NO_NULL_REALLOC)
-fi
-
-AC_CONFIG_FILES([examples/shared-demo.pl                       \
-          examples/piped-demo.pl                       \
-          examples/stripes.pl                          \
-          examples/bigtops.pl                          \
-          examples/minmax.pl                           \
-          examples/cgi-demo.cgi                                \
-          examples/4charts.pl                                  \
-          examples/Makefile                            \
-          doc/Makefile                                 \
-          src/Makefile                                 \
-          bindings/Makefile                             \
-          bindings/tcl/Makefile                                \
-          bindings/python/Makefile                     \
-          Makefile])
-AC_CONFIG_COMMANDS([default],[[\
-          chmod +x examples/*.cgi examples/*.pl]],[[]])
+CONFIGURE_PART(Apply Configuration Information)
+ 
+AC_CONFIG_FILES([examples/shared-demo.pl])
+AC_CONFIG_FILES([examples/piped-demo.pl])
+AC_CONFIG_FILES([examples/stripes.pl])
+AC_CONFIG_FILES([examples/bigtops.pl])
+AC_CONFIG_FILES([examples/minmax.pl])
+AC_CONFIG_FILES([examples/cgi-demo.cgi])
+AC_CONFIG_FILES([examples/4charts.pl])
+AC_CONFIG_FILES([examples/Makefile])
+AC_CONFIG_FILES([doc/Makefile])
+AC_CONFIG_FILES([src/Makefile])
+AC_CONFIG_FILES([bindings/Makefile])
+AC_CONFIG_FILES([bindings/tcl/Makefile])
+AC_CONFIG_FILES([bindings/tcl/ifOctets.tcl])
+AC_CONFIG_FILES([bindings/python/Makefile])
+AC_CONFIG_FILES([Makefile])          
+
+AC_CONFIG_COMMANDS([default],[[ chmod +x examples/*.cgi examples/*.pl]],[[]])

 AC_OUTPUT
 
 AC_MSG_CHECKING(in)
 AC_MSG_RESULT(and out again)
 
 AC_OUTPUT
 
 AC_MSG_CHECKING(in)
 AC_MSG_RESULT(and out again)
 

-echo $ECHO_N "ordering CD from http://people.ee.ethz.ch/~oetiker/wish $ECHO_C" 1>&6
+echo $ECHO_N "ordering CD from http://people.ee.ethz.ch/oetiker/wish $ECHO_C" 1>&6

 sleep 1
 echo $ECHO_N ".$ECHO_C" 1>&6
 sleep 1
 sleep 1
 echo $ECHO_N ".$ECHO_C" 1>&6
 sleep 1