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[cmake] Add missing CMakePushCheckState include to FindLibEdit.cmake

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Add the missing include to fix an error when `cmake_push_check_state()`
is called and incidentally the CMakePushCheckState module is not loaded
by any other check running prior to `FindLibEdit.cmake`:

    CMake Error at /var/no-tmpfs/portage/dev-util/lldb-15.0.4/work/cmake/Modules/FindLibEdit.cmake:24 (cmake_push_check_state):
      Unknown CMake command "cmake_push_check_state".
    Call Stack (most recent call first):
      cmake/modules/LLDBConfig.cmake:52 (find_package)
      cmake/modules/LLDBConfig.cmake:59 (add_optional_dependency)
      CMakeLists.txt:28 (include)

Gentoo Bug: https://bugs.gentoo.org/880065

Differential Revision: https://reviews.llvm.org/D137555

(cherry picked from commit 3676a86a4322e8c2b9c541f057b5d3704146b8f3)
This commit is contained in:
Michał Górny 2022-11-07 14:46:58 +01:00 committed by Tom Stellard
parent 931b6d51d8
commit 58ba50a52e
1 changed files with 1 additions and 0 deletions
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cmake/Modules/FindLibEdit.cmake
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@ -21,6 +21,7 @@ find_library(LibEdit_LIBRARIES NAMES edit HINTS ${PC_LIBEDIT_LIBRARY_DIRS})
include(CheckIncludeFile)
if(LibEdit_INCLUDE_DIRS AND EXISTS "${LibEdit_INCLUDE_DIRS}/histedit.h")
include(CMakePushCheckState)
cmake_push_check_state()
list(APPEND CMAKE_REQUIRED_INCLUDES ${LibEdit_INCLUDE_DIRS})
list(APPEND CMAKE_REQUIRED_LIBRARIES ${LibEdit_LIBRARIES})