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CMake: Make _FORTIFY_SOURCE level configurable #3

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Merged
jhunkeler merged 3 commits into from
Oct 31, 2026
Merged

CMake: Make _FORTIFY_SOURCE level configurable #3

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b09adcb
Remove dead code
jhunkeler Oct 30, 2026
c51be91
Configurable _FORTIFY_SOURCE level
jhunkeler Oct 31, 2026
783bb0f
Set WITH_FORTIFY_SOURCE_LEVEL in workflow
jhunkeler Oct 31, 2026
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1 change: 1 addition & 0 deletions .github/workflows/showcase.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@ jobs:
cmake .. -DCMAKE_BUILD_TYPE=Debug \
-DWITH_COVERAGE=YES \
-DWITH_FORTIFY_SOURCE=YES \
-DWITH_FORTIFY_SOURCE_LEVEL=3 \
-DWITH_ASAN=YES
make

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17 changes: 10 additions & 7 deletions CMakeLists.txt
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Expand Up @@ -7,12 +7,15 @@ set(CMAKE_C_STANDARD 99)

option(WITH_COVERAGE "Enable code coverage" OFF)
option(ALWAYS_VERBOSE "stcunit output is permanently verbose" OFF)
option(WITH_FORTIFY_SOURCE "Enable FORTIFY_SOURCE_LEVEL" 0)
option(WITH_ASAN "Enable Address Sanitizer")
option(WITH_FORTIFY_SOURCE "Enable _FORTIFY_SOURCE" OFF)
set(CACHE{WITH_FORTIFY_SOURCE_LEVEL}
TYPE STRING
HELP "Enable _FORTIFY_SOURCE level"
CACHE
VALUE 3
)

if (WITH_FORTIFY_SOURCE GREATER 0)
#
endif()
option(WITH_ASAN "Enable Address Sanitizer")

add_compile_options(-Wall -Wextra -pedantic -fvisibility=hidden)

Expand All @@ -30,10 +33,10 @@ endif()
add_executable(stcunit_showcase stcunit.h showcase.c)
if (WITH_FORTIFY_SOURCE)
target_compile_options(stcunit_showcase PRIVATE -g -O3 -fstack-protector-all)
target_compile_definitions(stcunit_showcase PRIVATE _FORTIFY_SOURCE=3)
target_compile_definitions(stcunit_showcase PRIVATE _FORTIFY_SOURCE=${WITH_FORTIFY_SOURCE_LEVEL})
endif()

if (WITH_ASAN)
target_compile_options(stcunit_showcase PRIVATE -fsanitize=address)
target_compile_options(stcunit_showcase PRIVATE -g -fno-omit-frame-pointer -fsanitize=address)
target_link_options(stcunit_showcase PRIVATE -fsanitize=address)
endif()
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