Tests/LinkStatic: Standardize RunCMake use where possible

Test cases which only check for the presence of an expression need not
use a custom check script. Prepare for a future commit which adds more
such cases so that this test consistently only uses check scripts where
needed.

Also apply more explicit checking for success or failure for each case.

Tests/RunCMake/LinkStatic/RunCMakeTest.cmake

@@ -6,6 +6,9 @@ run_cmake(LINK_SEARCH_STATIC)
 macro(run_cmake_target test subtest target)
   set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/${test}-build)
   set(RunCMake_TEST_NO_CLEAN 1)
+  if(RunCMake_GENERATOR STREQUAL "Borland Makefiles")
+    set(RunCMake_TEST_EXPECT_RESULT .)
+  endif()
   run_cmake_command(${test}-${subtest} ${CMAKE_COMMAND} --build . --target ${target} ${ARGN})
 
   unset(RunCMake_TEST_BINARY_DIR)

Tests/RunCMake/LinkStatic/STATIC_LIBRARY_OPTIONS-basic-check.cmake

@@ -1,4 +0,0 @@
-
-if (NOT actual_stdout MATCHES "BADFLAG")
-  set (RunCMake_TEST_FAILED "Not found expected 'BADFLAG'.")
-endif()

Tests/RunCMake/LinkStatic/STATIC_LIBRARY_OPTIONS-basic-result.txt

@@ -1 +1 @@
-.*
+[^0]

Tests/RunCMake/LinkStatic/STATIC_LIBRARY_OPTIONS-basic-stdout.txt

@@ -0,0 +1 @@
+.*BADFLAG.*

Tests/RunCMake/LinkStatic/STATIC_LIBRARY_OPTIONS-genex-result.txt

@@ -1 +1 @@
-.*
+[^0]

Tests/RunCMake/LinkStatic/STATIC_LIBRARY_OPTIONS-shared-check.cmake

@@ -1,4 +0,0 @@
-
-if (actual_stdout MATCHES "BADFLAG")
-  string (APPEND RunCMake_TEST_FAILED "\nFound unexpected flag 'BADFLAG'.")
-endif()

Tests/RunCMake/LinkStatic/STATIC_LIBRARY_OPTIONS-shared-result.txt

@@ -1 +0,0 @@
-.*