[flang] Include needed CMake files. (#133012)

vzakhari · web-flow · commit b022f676fc82 · 2025-03-25T15:39:05.000-07:00
`FlangCommon.cmake` uses some CMake macros without including
the corresponding modules. This change makes it self-sufficient.
diff --git a/flang/cmake/modules/FlangCommon.cmake b/flang/cmake/modules/FlangCommon.cmake
@@ -10,6 +10,9 @@
 #
 #===------------------------------------------------------------------------===#
 
+include(CheckCSourceCompiles)
+include(CheckIncludeFile)
+
 # The out of tree builds of the compiler and the Fortran runtime
 # must use the same setting of FLANG_RUNTIME_F128_MATH_LIB
 # to be composable. Failure to synchronize this setting may result

Original file line number	Diff line number	Diff line change
`@@ -10,6 +10,9 @@`
`10`	`10`	`#`
`11`	`11`	`#===------------------------------------------------------------------------===#`
`12`	`12`
	`13`	`+include(CheckCSourceCompiles)`
	`14`	`+include(CheckIncludeFile)`
	`15`	`+`
`13`	`16`	`# The out of tree builds of the compiler and the Fortran runtime`
`14`	`17`	`# must use the same setting of FLANG_RUNTIME_F128_MATH_LIB`
`15`	`18`	`# to be composable. Failure to synchronize this setting may result`