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Use find_package for ICU

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ICU 75.1 requires C++17 support so use `find_package(ICU)` which determines the versioning. Sets `CMAKE_CXX_STANDARD` when that happens.

Follows along with what Meson build did in 93d58f83.
This commit is contained in:
Don Olmstead 2024-06-13 14:03:36 -07:00 • committed by Behdad Esfahbod
parent a109d5fbc0
commit cef1eafb77
1 changed files with 8 additions and 10 deletions
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18
CMakeLists.txt
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@ -3,6 +3,9 @@ project(harfbuzz)
message(WARN "HarfBuzz has a Meson port and tries to migrate all the other build systems to it, please consider using it as we might remove our cmake port soon.")
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
## Limit framework build to Xcode generator
if (BUILD_FRAMEWORK)
# for a framework build on macOS, use:
@ -263,20 +266,15 @@ endif ()
if (HB_HAVE_ICU)
add_definitions(-DHAVE_ICU)
# https://github.com/WebKit/webkit/blob/fdd7733f2f30eab7fe096a9791f98c60f62f49c0/Source/cmake/FindICU.cmake
find_package(PkgConfig)
pkg_check_modules(PC_ICU QUIET icu-uc)
find_package(ICU REQUIRED COMPONENTS uc)
find_path(ICU_INCLUDE_DIR NAMES unicode/utypes.h HINTS ${PC_ICU_INCLUDE_DIRS} ${PC_ICU_INCLUDEDIR})
find_library(ICU_LIBRARY NAMES libicuuc cygicuuc cygicuuc32 icuuc HINTS ${PC_ICU_LIBRARY_DIRS} ${PC_ICU_LIBDIR})
include_directories(${ICU_INCLUDE_DIR})
if (ICU_VERSION VERSION_GREATER_EQUAL 75.1)
set(CMAKE_CXX_STANDARD 17)
endif ()
list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-icu.h)
list(APPEND THIRD_PARTY_LIBS ${ICU_LIBRARY})
mark_as_advanced(ICU_INCLUDE_DIR ICU_LIBRARY)
list(APPEND THIRD_PARTY_LIBS ICU::uc)
endif ()
if (APPLE AND HB_HAVE_CORETEXT)