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CMakeLists.txt: Some documentation updates

This commit is contained in:
Nikolaus Waxweiler 2019-07-10 19:43:05 +01:00
parent 05439f5cc6
commit db5fa06098
1 changed files with 26 additions and 21 deletions
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47
CMakeLists.txt
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@ -16,36 +16,35 @@
# call cmake to configure the build with default parameters as a static
# library.
#
# cmake -E make_directory build
# cmake -E chdir build cmake ..
# cmake -B build
#
# For a dynamic library, use
#
# cmake -E chdir build cmake -D BUILD_SHARED_LIBS:BOOL=true ..
# cmake -B build -D BUILD_SHARED_LIBS=true
#
# For a framework on OS X, use
#
# cmake -E chdir build cmake -G Xcode -D BUILD_FRAMEWORK:BOOL=true ..
# cmake -B build -G Xcode -D BUILD_FRAMEWORK=true
#
# For an iOS static library, use
#
# cmake -E chdir build cmake -G Xcode -D IOS_PLATFORM=OS ..
# cmake -B build -G Xcode -D IOS_PLATFORM=OS
#
# or
#
# cmake -E chdir build cmake -G Xcode -D IOS_PLATFORM=SIMULATOR ..
# cmake -B build -G Xcode -D IOS_PLATFORM=SIMULATOR
#
# or
#
# cmake -E chdir build cmake -G Xcode -D IOS_PLATFORM=SIMULATOR64 ..
# cmake -B build -G Xcode -D IOS_PLATFORM=SIMULATOR64
#
# Finally, build the project with:
# Finally, build the project (with optimizations) with:
#
# cmake --build build
# cmake --build build --config Release
#
# Install it with
#
# (sudo) cmake --build build --target install
# (sudo) cmake --build build --config Release --target install
#
# A binary distribution can be made with
#
@ -68,14 +67,22 @@
# . `CMakeLists.txt' is provided as-is since it is normally not used by the
# developer team.
#
# . Set the `FT_WITH_ZLIB', `FT_WITH_BZIP2', `FT_WITH_PNG', and
# `FT_WITH_HARFBUZZ' CMake variables to `ON' to force using a dependency.
# Leave a variable undefined (which is the default) to use the dependency
# only if it is available. Set `CMAKE_DISABLE_FIND_PACKAGE_HarfBuzz=TRUE' to
# disable a dependency completely (CMake package name, so `BZip2' instead of
# `BZIP2'). Example:
# . The detection of external library dependencies is automatic, like
# with the default build system. Set the `FT_WITH_ZLIB', `FT_WITH_BZIP2',
# `FT_WITH_PNG', and `FT_WITH_HARFBUZZ' CMake variables to `ON' to force using
# a dependency, e.g.:
#
# cmake -DFT_WITH_ZLIB=ON -DCMAKE_DISABLE_FIND_PACKAGE_HarfBuzz=TRUE [...]
# cmake -B build -D FT_WITH_ZLIB=ON -D FT_WITH_BZIP2=ON \
# -D FT_WITH_PNG=ON -D FT_WITH_HARFBUZZ=ON
#
# Use the `CMAKE_DISABLE_FIND_PACKAGE_X=TRUE' variables to
# disable a dependency completely (CMake package name, so `BZip2' instead of
# `BZIP2'), e.g.:
#
# cmake -B build -D CMAKE_DISABLE_FIND_PACKAGE_ZLIB=TRUE \
# -D CMAKE_DISABLE_FIND_PACKAGE_BZip2=TRUE \
# -D CMAKE_DISABLE_FIND_PACKAGE_PNG=TRUE \
# -D CMAKE_DISABLE_FIND_PACKAGE_HarfBuzz=TRUE
#
# . Installation of FreeType can be controlled with the CMake variables
# `SKIP_INSTALL_HEADERS', `SKIP_INSTALL_LIBRARIES', and `SKIP_INSTALL_ALL'
@ -147,10 +154,8 @@ set(VERSION_PATCH "1")
set(LIBRARY_VERSION "6.16.0")
set(LIBRARY_SOVERSION "6")
# These options mean "require x and complain if not found". They'll get
# optionally found anyway. Use `-DCMAKE_DISABLE_FIND_PACKAGE_x=TRUE` to disable
# searching for a packge entirely (x is the CMake package name, so "BZip2"
# instead of "BZIP2").
# External dependency library detection is automatic. See the top of this file,
# notes section, for how to force or disable dependencies completely.
option(FT_WITH_ZLIB "Use system zlib instead of internal library." OFF)
option(FT_WITH_BZIP2 "Support bzip2 compressed fonts." OFF)
option(FT_WITH_PNG "Support PNG compressed OpenType embedded bitmaps." OFF)