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build: replace deprecated CMAKE_COMPILER_IS_GNUCC variable

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Instead use the recommended form `CMAKE_C_COMPILER_ID MATCHES "GNU"`
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Dundar Göc 2022-08-26 14:30:55 +02:00 committed by dundargoc
parent 42aeb5c5b1
commit b9aafb85e6
1 changed files with 2 additions and 2 deletions
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4
CMakeLists.txt
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@ -96,7 +96,7 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
# Work around some old, broken detection by CMake for knowing when to use the
# isystem flag. Apple's compilers have supported this for quite some time
# now.
if(CMAKE_COMPILER_IS_GNUCC)
if(CMAKE_C_COMPILER_ID MATCHES "GNU")
set(CMAKE_INCLUDE_SYSTEM_FLAG_C "-isystem ")
endif()
endif()
@ -170,7 +170,7 @@ if(CMAKE_C_FLAGS_RELEASE MATCHES "-O3")
string(REPLACE "-O3" "-O2" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
endif()
if(CMAKE_COMPILER_IS_GNUCC)
if(CMAKE_C_COMPILER_ID MATCHES "GNU")
check_c_compiler_flag(-Og HAS_OG_FLAG)
else()
set(HAS_OG_FLAG 0)