Fix FTBFS on missing magic_getpath

(cherry picked from commit 03a61295af)

CMakeLists.txt

@@ -549,6 +549,26 @@ if( NOT HAVE_LIBDL )
 endif( NOT HAVE_LIBDL )
 
 
+##### check for magic ###########################
+
+set( MAGIC_LIBRARIES magic )
+check_library_exists( ${MAGIC_LIBRARIES} magic_load "" HAVE_LIBMAGIC )
+if( HAVE_LIBMAGIC )
+  check_library_exists( ${MAGIC_LIBRARIES} magic_getpath "" HAVE_LIBMAGIC_GETPATH )
+  if( NOT HAVE_LIBMAGIC_GETPATH )
+    execute_process(
+      COMMAND file --version
+      OUTPUT_VARIABLE LIBMAGIC_VERSION
+      ERROR_VARIABLE LIBMAGIC_VERSION
+    )
+    string(REGEX REPLACE ".*magic file from ([^ \n]*).*" "\\1" LIBMAGIC_PATH ${LIBMAGIC_VERSION} )
+    message( STATUS "libmagick default path ${LIBMAGIC_PATH}" )
+  endif( NOT HAVE_LIBMAGIC_GETPATH )
+else( HAVE_LIBMAGIC )
+  tde_message_fatal( "libmagic is required, but not found on your system" )
+endif( HAVE_LIBMAGIC )
+
+
 ##### check for utempter ########################
 
 if( WITH_UTEMPTER )

config.h.cmake

@@ -902,6 +902,12 @@
 /* Defined if compiling without arts */
 #cmakedefine WITHOUT_ARTS 1
 
+/* Defined if libmagic contain magic_getpath function */
+#cmakedefine HAVE_LIBMAGIC_GETPATH 1
+
+/* Define default path for libmagick files */
+#cmakedefine LIBMAGIC_PATH "@LIBMAGIC_PATH@"
+
 /* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
    significant byte first (like Motorola and SPARC, unlike Intel). */
 #if defined AC_APPLE_UNIVERSAL_BUILD

kio/kio/CMakeLists.txt

@@ -115,5 +115,5 @@ endif( USE_POSIX_ACL )
 
 tde_add_library( ${target} STATIC_PIC AUTOMOC
   SOURCES ${${target}_SRCS}
-  LINK magic ${GAMIN_LIBRARIES}
+  LINK ${MAGIC_LIBRARIES} ${GAMIN_LIBRARIES}
 )

kio/kio/configure.in.in

@@ -165,3 +165,25 @@ if test "x$kde_enable_inotify" = "xyes"; then
     AC_MSG_RESULT(no)
   fi
 fi
+
+dnl ------------------------------------------------------------------------
+dnl Try to find if libmagic is installed and contains magic_getpath
+dnl ------------------------------------------------------------------------
+dnl
+AC_MSG_CHECKING([for libmagic])
+KDE_CHECK_LIB(magic, magic_load, kde_have_libmagic=yes, kde_have_libmagic=no)
+if test $kde_have_libmagic = yes; then
+  AC_MSG_RESULT(yes)
+  AC_MSG_CHECKING([for libmagic - magic_getpath])
+  KDE_CHECK_LIB(magic, magic_getpath, kde_have_libmagic_getpath=yes, kde_have_libmagic_getpath=no)
+  if test $kde_have_libmagic_getpath = yes; then
+    AC_DEFINE_UNQUOTED(HAVE_LIBMAGIC_GETPATH, 1, [Defined if libmagic contain magic_getpath function])
+    AC_MSG_RESULT(yes)
+  else
+    libmagic_path=`file --version 2>&1 | sed -n "s/^magic file from //p"`
+    AC_DEFINE_UNQUOTED(LIBMAGIC_PATH, $libmagic_path, [Define default path for libmagic files])
+    AC_MSG_RESULT(no)
+  fi
+else
+  AC_MSG_RESULT(no)
+fi

kio/kio/kmimemagic.cpp

@@ -20,6 +20,7 @@
    Boston, MA 02110-1301, USA.
 */
 
+#include "config.h"
 #include "kmimemagic.h"
 #include <kdebug.h>
 #include <kapplication.h>
@@ -164,7 +165,11 @@ struct config_rec {
 int KMimeMagic::apprentice( const TQString& magicfile ) {
 	TQString maindatabase = magicfile;
 	if (maindatabase == "") {
+#ifdef HAVE_LIBMAGIC_GETPATH
 		maindatabase = magic_getpath(0, FILE_LOAD);
+#else
+		maindatabase = TQString(LIBMAGIC_PATH);
+#endif
 	}
 	conf->databases.clear();
 	conf->databases.append(maindatabase);