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| author | Alexei Podtelezhnikov <apodtele@gmail.com> | 2021-04-10 23:32:20 -0400 |
|---|---|---|
| committer | Alexei Podtelezhnikov <apodtele@gmail.com> | 2021-04-10 23:32:20 -0400 |
| commit | b9b74f9f78565513086050acdda98ddc23cf605e (patch) | |
| tree | 1bad4d965d22d00af369169387599d62062b4ef5 /docs | |
| parent | f9350be1e45baa1c29f7551274982262f8e769ce (diff) | |
| download | freetype2-b9b74f9f78565513086050acdda98ddc23cf605e.tar.gz | |
A few words on prerequisites.
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/INSTALL | 32 | ||||
| -rw-r--r-- | docs/INSTALL.UNIX | 4 |
2 files changed, 24 insertions, 12 deletions
diff --git a/docs/INSTALL b/docs/INSTALL index de51d781d..1952f049d 100644 --- a/docs/INSTALL +++ b/docs/INSTALL @@ -4,17 +4,27 @@ your system and the level of customization you need. Here is a short overview of the documentation available: -I. Normal installation and upgrades -=================================== +I. Prerequisites and dependencies +================================= - 0. Modify `include/freetype/config/ftoption.h', if necessary, to - control how the FreeType library gets built. Normally, you don't - need to change anything. + FreeType is a low level C library that only depends on the standard + C library with very few platform-dependent optimizations utilized at + build time. System libraries, such as zlib, Gzip, bzip2, Brotli, + and libpng, might be used to handle compressed fonts or decode + embedded PNG glyphs. - Applications can't control FreeType's behaviour at build time. - To make applications control (some of) FreeType's behaviour at - run-time, look at the documentation of function - `FT_Property_Set'. + FreeType auto-configuration scripts should be able to detect the + prerequisites if the necessary headers are available at the default + locations. Otherwise, modify `include/freetype/config/ftoption.h' + to control how the FreeType library gets built. Normally, you don't + need to change anything. + + Applications have very limited control over FreeType's behaviour at + run-time; look at the documentation of function `FT_Property_Set'. + + +II. Normal installation and upgrades +==================================== 1. Unix and Unix-like systems @@ -70,8 +80,8 @@ I. Normal installation and upgrades directory. -II. Custom builds of the library -================================ +III. Custom builds of the library +================================= Customizing the compilation of FreeType is easy, and allows you to select only the components of the font engine that you really need. diff --git a/docs/INSTALL.UNIX b/docs/INSTALL.UNIX index bdf42e277..ff4eabedf 100644 --- a/docs/INSTALL.UNIX +++ b/docs/INSTALL.UNIX @@ -57,7 +57,9 @@ or MSys on Win32: ./configure --help to see the list of possible configuration options and important - environment variables. + environment variables. The ./configure script will detect some + prerequisite system libraries (libpng, brotli, etc.) if their + headers are available at the default locations. The following should work on all Unix systems where the `make' command invokes GNU Make: |