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build: set compiler options in one place

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- add_definitions() is preferred to CMAKE_C_FLAGS.
This commit is contained in:
Justin M. Keyes 2019-01-30 02:01:50 +01:00
parent da88278f27
commit 4386814b04
1 changed files with 1 additions and 6 deletions
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7
CMakeLists.txt
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@ -172,11 +172,6 @@ if(CMAKE_C_FLAGS_RELWITHDEBINFO MATCHES DNDEBUG)
string(REPLACE "-DNDEBUG" "" CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}") string(REPLACE "-DNDEBUG" "" CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}")
endif() endif()
# Enable -Wconversion.
if(NOT MSVC)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wshadow -Wconversion")
endif()
# gcc 4.0+ sets _FORTIFY_SOURCE=2 automatically. This currently # gcc 4.0+ sets _FORTIFY_SOURCE=2 automatically. This currently
# does not work with Neovim due to some uses of dynamically-sized structures. # does not work with Neovim due to some uses of dynamically-sized structures.
# https://github.com/neovim/neovim/issues/223 # https://github.com/neovim/neovim/issues/223
@ -264,7 +259,7 @@ if(MSVC)
add_definitions(-DWIN32) add_definitions(-DWIN32)
else() else()
add_definitions(-Wall -Wextra -pedantic -Wno-unused-parameter add_definitions(-Wall -Wextra -pedantic -Wno-unused-parameter
-Wstrict-prototypes -std=gnu99) -Wstrict-prototypes -std=gnu99 -Wshadow -Wconversion)
check_c_compiler_flag(-Wimplicit-fallthrough HAS_WIMPLICIT_FALLTHROUGH_FLAG) check_c_compiler_flag(-Wimplicit-fallthrough HAS_WIMPLICIT_FALLTHROUGH_FLAG)
if(HAS_WIMPLICIT_FALLTHROUGH_FLAG) if(HAS_WIMPLICIT_FALLTHROUGH_FLAG)