Introduce a ParseImplicitLinkInfo test

By sharing the information used by ParseImplicitIncludeInfo we can
also verify the parsing of implicit link info such as directories.

Tests/RunCMake/CMakeLists.txt

@@ -201,6 +201,7 @@ if(MSVC)
 endif()
 add_RunCMake_test(ObjectLibrary)
 add_RunCMake_test(ParseImplicitIncludeInfo)
+add_RunCMake_test(ParseImplicitLinkInfo)
 if(UNIX AND CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG AND CMAKE_EXECUTABLE_FORMAT STREQUAL "ELF")
   add_RunCMake_test(RuntimePath)
 endif()

Tests/RunCMake/ParseImplicitData/CMakeLists.txt

@@ -1,6 +1,6 @@
 #
 # helper CMakeLists.txt file that can be used to generate input files
-# for the Tests/RunCMake/ParseImplicitIncludeInfo test.
+# for the Tests/RunCMake/ParseImplicit[Include|Lib]Info tests.
 #
 # usage:
 #  [create a temporary build directory and chdir to it]
@@ -81,6 +81,7 @@ foreach(lang IN ITEMS ${LANGUAGES})
   endif()
 
   set(result "CMAKE_LANG=${lang}\n")
+  list(APPEND result "CMAKE_LINKER=${CMAKE_LINKER}\n")
   foreach(var IN ITEMS ${compvars})
     list(APPEND result
       "CMAKE_${lang}_COMPILER_${var}=${CMAKE_${lang}_COMPILER_${var}}\n")

Tests/RunCMake/ParseImplicitData/README

@@ -1,6 +1,7 @@
 This directory contains sample input files for the implicit include
-directories parser for testing.  For each configuration there is one
-".input" file and one ".output" file.
+directories, and link info parsers for testing.  For each configuration
+ there is one ".input" file and matching ".output" files in
+ParseImplicitIncludeInfo/results and ParseImplicitLinkInfo/results.
 
 To generate ".input" files for a system, create a temporary build
 directory and chdir to it.  Then run cmake pointing to this directory.

Tests/RunCMake/ParseImplicitData/hand-C-relative.input

@@ -19,3 +19,5 @@ This is a hand-written test case.
  ../../../adaptive/relative/include
  /usr/include
 End of search list.
+
+/usr/bin/ld -L/usr/lib64 -L../../../adaptive/relative/lib

Tests/RunCMake/ParseImplicitData/hand-CXX-relative.input

@@ -19,3 +19,5 @@ This is a hand-written test case.
  ../../../adaptive/relative/include
  /usr/include
 End of search list.
+
+/usr/bin/ld -L/usr/lib64 -L../../../adaptive/relative/lib

Tests/RunCMake/ParseImplicitData/linux-CUDA-NVIDIA-9.2.148-GCC.input

@@ -1,4 +1,5 @@
 CMAKE_LANG=CUDA
+CMAKE_LINKER=/usr/bin/ld
 CMAKE_CUDA_COMPILER_ABI=ELF
 CMAKE_CUDA_COMPILER_AR=
 CMAKE_CUDA_COMPILER_ARCHITECTURE_ID=

Tests/RunCMake/ParseImplicitIncludeInfo/ParseImplicitIncludeInfo.cmake

@@ -32,7 +32,7 @@ set(targets
     linux_nostdinc-C-XL-12.1.0 linux_nostdinc-CXX-XL-12.1.0
     linux_nostdinc_i-C-XL-12.1.0 linux_nostdinc-CXX-XL-12.1.0
   linux-C-XL-16.1.0.0 linux-CXX-XL-16.1.0.0
-  linux-CUDA-NVIDIA-9.2.148
+  linux-CUDA-NVIDIA-9.2.148-GCC
   mingw.org-C-GNU-4.9.3 mingw.org-CXX-GNU-4.9.3
   netbsd-C-GNU-4.8.5 netbsd-CXX-GNU-4.8.5
     netbsd_nostdinc-C-GNU-4.8.5 netbsd_nostdinc-CXX-GNU-4.8.5
@@ -97,12 +97,16 @@ endfunction()
 # main test loop
 #
 foreach(t ${targets})
-  set(infile "${CMAKE_SOURCE_DIR}/data/${t}.input")
-  set(outfile "${CMAKE_SOURCE_DIR}/data/${t}.output")
-  if (NOT EXISTS ${infile} OR NOT EXISTS ${outfile})
-    message("missing files for target ${t} in ${CMAKE_SOURCE_DIR}/data")
+  set(infile "${CMAKE_SOURCE_DIR}/../ParseImplicitData/${t}.input")
+  set(outfile "${CMAKE_SOURCE_DIR}/results/${t}.output")
+  if (NOT EXISTS ${infile})
+    message("missing input file for target ${t} in ${CMAKE_SOURCE_DIR}/../ParseImplicitData/")
+    continue()
+  elseif(NOT EXISTS ${outfile})
+    message("missing files for target ${t} in ${CMAKE_SOURCE_DIR}/results/")
     continue()
   endif()
+
   load_compiler_info(${infile} lang cmvars input)
   file(READ ${outfile} output)
   string(STRIP "${output}" output)
@@ -112,6 +116,7 @@ foreach(t ${targets})
       message("empty parse failed: ${idirs}, log=${log}")
     endif()
   elseif(NOT "${state}" STREQUAL "done" OR NOT "${idirs}" MATCHES "^${output}$")
+    message(${t})
     message("parse failed: state=${state}, '${idirs}' does not match '^${output}$', log=${log}")
   endif()
   unload_compiler_info("${cmvars}")