6 files changed, 25 insertions, 0 deletions
diff --git a/Tests/RunCMake/BuildDepends/GNU-AS-stdout.txt b/Tests/RunCMake/BuildDepends/GNU-AS-stdout.txt
new file mode 100644
index 0000000..c4326ae
--- /dev/null
+++ b/Tests/RunCMake/BuildDepends/GNU-AS-stdout.txt
@@ -0,0 +1,4 @@
+-- The ASM compiler identification is GNU
+-- Found assembler: [^
+]*/as(\.exe)?
+-- CMAKE_ASM_COMPILER_ID_VENDOR_MATCH='GNU assembler'
diff --git a/Tests/RunCMake/BuildDepends/GNU-AS.cmake b/Tests/RunCMake/BuildDepends/GNU-AS.cmake
new file mode 100644
index 0000000..21921ef
--- /dev/null
+++ b/Tests/RunCMake/BuildDepends/GNU-AS.cmake
@@ -0,0 +1,13 @@
+enable_language(ASM)
+
+# Validate undocumented implementation detail.
+message(STATUS "CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_MATCH='${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_MATCH}'")
+
+add_library(gnu_as STATIC gnu_as.s)
+target_include_directories(gnu_as PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
+
+file(GENERATE OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/check-$<LOWER_CASE:$<CONFIG>>.cmake CONTENT "
+set(check_pairs
+  \"$<TARGET_FILE:gnu_as>|${CMAKE_CURRENT_BINARY_DIR}/gnu_as.inc\"
+  )
+")
diff --git a/Tests/RunCMake/BuildDepends/GNU-AS.step1.cmake b/Tests/RunCMake/BuildDepends/GNU-AS.step1.cmake
new file mode 100644
index 0000000..15a5e96
--- /dev/null
+++ b/Tests/RunCMake/BuildDepends/GNU-AS.step1.cmake
@@ -0,0 +1 @@
+file(WRITE "${RunCMake_TEST_BINARY_DIR}/gnu_as.inc" "")
diff --git a/Tests/RunCMake/BuildDepends/GNU-AS.step2.cmake b/Tests/RunCMake/BuildDepends/GNU-AS.step2.cmake
new file mode 100644
index 0000000..15a5e96
--- /dev/null
+++ b/Tests/RunCMake/BuildDepends/GNU-AS.step2.cmake
@@ -0,0 +1 @@
+file(WRITE "${RunCMake_TEST_BINARY_DIR}/gnu_as.inc" "")
diff --git a/Tests/RunCMake/BuildDepends/RunCMakeTest.cmake b/Tests/RunCMake/BuildDepends/RunCMakeTest.cmake
index 14ae243..753417d 100644
--- a/Tests/RunCMake/BuildDepends/RunCMakeTest.cmake
+++ b/Tests/RunCMake/BuildDepends/RunCMakeTest.cmake
@@ -103,3 +103,8 @@ endfunction()
 if(RunCMake_GENERATOR STREQUAL "Xcode")
   run_ReGeneration(regenerate-project)
 endif()
+
+if(CMake_TEST_BuildDepends_GNU_AS)
+  set(ENV{ASM} "${CMake_TEST_BuildDepends_GNU_AS}")
+  run_BuildDepends(GNU-AS)
+endif()
diff --git a/Tests/RunCMake/BuildDepends/gnu_as.s b/Tests/RunCMake/BuildDepends/gnu_as.s
new file mode 100644
index 0000000..a2e7dfb
--- /dev/null
+++ b/Tests/RunCMake/BuildDepends/gnu_as.s
@@ -0,0 +1 @@
+.include "gnu_as.inc"