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Fontconfig (or fontconfig) is a free software [6] program library designed to provide configuration, enumeration and substitution of fonts to other programs. Fontconfig was originally written and maintained by Keith Packard , and is currently maintained by Behdad Esfahbod .
Binary-code compatibility (binary compatible or object-code compatible) is a property of a computer system, meaning that it can run the same executable code, typically machine code for a general-purpose computer central processing unit (CPU), that another computer system can run.
In the C and C++ programming languages, unistd.h is the name of the header file that provides access to the POSIX operating system API. [1] It is defined by the POSIX.1 standard, the base of the Single Unix Specification, and should therefore be available in any POSIX-compliant operating system and compiler.
Binaries (executables or DLLs) generated with different C++ compilers (like Mingw-w64 GCC and Visual Studio) are in general not link compatible due to the use of different ABIs and name mangling schemes caused by the differences in C++ runtimes. However, compiled C code is link compatible. [12]
A high-level comparison of in-kernel and kernel-to-userspace APIs and ABIs The Linux kernel and GNU C Library define the Linux API. After compilation, the binaries offer an ABI. Keeping this ABI stable over a long time is important for ISVs. In computer software, an application binary interface (ABI) is an interface between two binary program ...
In Windows Vista and later versions of Windows, the relocation of DLLs and executables is done by the kernel memory manager, which shares the relocated binaries across multiple processes. Images are always relocated from their preferred base addresses, achieving address space layout randomization (ASLR).
C preprocessor (CPP) conditional constructs can also be used to switch between different versions of a symbol. The difference from weak symbols is that weak symbols are interpreted by the linker. The CPP is run during the compilation of each translation unit before the C compiler.
Reproducible builds can act as part of a chain of trust; [1] the source code can be signed, and deterministic compilation can prove that the binary was compiled from trusted source code. Verified reproducible builds provide a strong countermeasure against attacks where binaries do not match their source code, e.g., because an attacker has ...