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Support #1962

Updated by O'Neil Delpratt over 7 years ago

Reported by Tony Graham: 

 >From the 'pkg-config' page at [1]: 

    pkg-config is a helper tool used when compiling applications 
    and libraries. 

 See also "Guide to pkg-config" at [2]. 

 If Saxon/C is to play nicely with other Linux, etc., packages, you may 
 want to look at producing a 'pkg-config' file to make it easier for people 
 building the other packages -- particularly but not limited to people 
 building using Autotools -- to find how to refer to Saxon/C when compiling 
 and linking. 

 Here's what I've been faking as 'saxon-c.pc': 

 ---- 
 <pre> 
 prefix=/usr/local/src/saxon-c/Saxonica/Saxon-HEC0.1 
 exec_prefix=${prefix} 
 libdir=${exec_prefix} 
 pkgincludedir=${prefix}/Saxon-C-API 


 Name: Saxon/C 
 Description: Saxon/C 
 Version: 0.1 
 Libs: -L${libdir} -lsaxon 
 Cflags: -I${pkgincludedir} -I/usr/lib/jvm/java-6-openjdk-amd64/include 
 </pre> 
 ---- 

 and here's what I've put in 'configure.ac' for xmlroff: 

 ---- 
 <pre> 
 # 
 # Checks for Saxon/C 
 # 
 SAXON_C_PACKAGES=saxon-c 
 SAXON_C_REQUIRED_VERSION=0.1 

 AH_TEMPLATE([ENABLE_SAXON_C], 
	     [Enable support for Saxon/C XSLT 2.0 processor.]) 

 AC_ARG_ENABLE(saxon_c, 
	       AC_HELP_STRING([--enable-saxon-c], 
			      [build Saxon/C XSLT processor capability (default=yes)]), 
	       enable_saxon_c_arg="$enableval", 
               enable_saxon_c_arg=yes) 

 if test "x$enable_saxon_c_arg" != "xyes" ; then 
   enable_saxon_c_arg=no 
 fi 

 enable_saxon_c=false 
 SAXON_C_REQUIRES="" 

 have_saxon_c=false 

 if test "x$enable_saxon_c_arg" = "xyes" ; then 
   # 
   # Check for Saxon/C support requirement 
   # 
   have_saxon_c=false 

   PKG_CHECK_MODULES(SAXON_C, 
		     $SAXON_C_PACKAGES >= $SAXON_C_REQUIRED_VERSION, 
		     have_saxon_c=true, 
		    

   if $have_saxon_c; then 
     enable_saxon_c=true 

     AC_DEFINE(ENABLE_SAXON_C,1) 
   else 
     AC_DEFINE(ENABLE_SAXON_C,0) 
     SAXON_C_LIBS="" 
     SAXON_C_CFLAGS="" 
   fi 
 fi 

 AC_SUBST(SAXON_C_ENABLED, [$enable_saxon_c]) 
 AC_SUBST(SAXON_C_REQUIRES) 
 AC_SUBST(SAXON_C_LIBS) 
 AC_SUBST(SAXON_C_CFLAGS) 
 AC_SUBST(ENABLE_SAXON_C, [$enable_saxon_c]) 
 AM_CONDITIONAL(ENABLE_SAXON_C, [$enable_saxon_c]) 
 </pre> 

 ---- 



 Tony Graham                                     tgraham@mentea.net 
 Consultant                                   http://www.mentea.net 
 Mentea         13 Kelly's Bay Beach, Skerries, Co. Dublin, Ireland 
  --    --    --    --    --    --    --    --    --    --    --    --    --    --    --    -- 
     XML, XSL-FO and XSLT consulting, training and programming 
        Chair, Print and Page Layout Community Group @ W3C 

 [1] http://www.freedesktop.org/wiki/Software/pkg-config/ 
 [2] http://people.freedesktop.org/~dbn/pkg-config-guide.html

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