Add CMake check if the getline function is defined

instead of listing the systems and versions that need to be defined.

This resolves FTBFS on FreeBSD 12.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

ConfigureChecks.cmake

@@ -31,6 +31,7 @@ endif( )
 
 check_include_file( "sys/stropts.h" HAVE_SYS_STROPTS_H )
 check_function_exists( "mkfifo" HAVE_MKFIFO )
+check_symbol_exists( "getline" "stdio.h" HAVE_GETLINE )
 
 
 ##### check for berkeley db ####################

config.h.cmake

@@ -8,3 +8,6 @@
 
 // lib/catalog
 #cmakedefine USE_DB_H_PATH <@USE_DB_H_PATH@>
+
+// vcs/clearcase
+#cmakedefine HAVE_GETLINE 1

vcs/clearcase/CMakeLists.txt

@@ -13,6 +13,7 @@ add_subdirectory( integrator )
 
 include_directories(
   ${CMAKE_CURRENT_BINARY_DIR}
+  ${CMAKE_BINARY_DIR}
   ${CMAKE_SOURCE_DIR}/lib/interfaces
   ${CMAKE_SOURCE_DIR}/lib/interfaces/extensions
   ${CMAKE_SOURCE_DIR}/lib/util

vcs/clearcase/clearcasemanipulator.cpp

@@ -9,6 +9,7 @@
 // Copyright: See COPYING file that comes with this distribution
 //
 //
+#include "config.h"
 #include "clearcasemanipulator.h"
 
 #include <kprocess.h>
@@ -23,9 +24,8 @@
 #include <sys/param.h>
 #endif
 
-#if defined(Q_OS_MACX) || defined(MACOSX) || defined(Q_OS_SOLARIS) || defined(Q_OS_FREEBSD) || (defined(__NetBSD__) && (__NetBSD_Version__ < 599001500)) || defined(__DragonFly__)
+#if !defined( HAVE_GETLINE )
 //this function is taken from GNU libc
-//it does not exist on macos
 int getline(char **lineptr, size_t *n, FILE *stream)
 {
     static char line[256];