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relibc_openlibm
Graham Inggs a40570be06 Bump version to 0.5.6 %!s(int64=6) %!d(string=hai) anos
aarch64 c21453060d Cleanup `ARCH` handling, reorganize `AArch64` and `Make.inc`. %!s(int64=8) %!d(string=hai) anos
amd64 aeaf9cefa7 Fix undefined reference to __fpgetprec on i386 %!s(int64=8) %!d(string=hai) anos
arm 388f0f1d32 Remove unused Symbol.map files. %!s(int64=10) %!d(string=hai) anos
bsdsrc 019990ecb7 WIP: Enable build on aarch64 %!s(int64=9) %!d(string=hai) anos
i387 e7e2050266 Fix invalid assembly directive caught by clang %!s(int64=8) %!d(string=hai) anos
include d982368bec Fix `arm` floating-point status register code %!s(int64=8) %!d(string=hai) anos
ld128 238a90959f Fix compilation on AArch64 %!s(int64=7) %!d(string=hai) anos
ld80 aeaf9cefa7 Fix undefined reference to __fpgetprec on i386 %!s(int64=8) %!d(string=hai) anos
powerpc 830dc991f3 Support powerpc %!s(int64=9) %!d(string=hai) anos
src 72bfab46a0 Avoid redefining macros defined by the system %!s(int64=7) %!d(string=hai) anos
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.travis.yml d6c4935dea Add testing for `ppc64le` and `arm` architectures on Travis %!s(int64=8) %!d(string=hai) anos
LICENSE.md e5c38c3e8b README and LICENSE updates. %!s(int64=10) %!d(string=hai) anos
Make.inc a40570be06 Bump version to 0.5.6 %!s(int64=6) %!d(string=hai) anos
Makefile 48c6c2c2ac Use cp -RpP instead of cp -a %!s(int64=7) %!d(string=hai) anos
README.md bf188aeb23 Build with Clang on OpenBSD %!s(int64=7) %!d(string=hai) anos
openlibm.pc.in 5b16546ddd Added pkg-config support %!s(int64=11) %!d(string=hai) anos

README.md

OpenLibm

Build Status

OpenLibm is an effort to have a high quality, portable, standalone C mathematical library (libm). It can be used standalone in applications and programming language implementations.

The project was born out of a need to have a good libm for the Julia programming langage that worked consistently across compilers and operating systems, and in 32-bit and 64-bit environments.

Platform support

OpenLibm builds on Linux, Mac OS X, Windows, FreeBSD, OpenBSD, and DragonFly BSD. It builds with both GCC and clang. Although largely tested and widely used on x86 architectures, OpenLibm also supports ARM and PowerPC.

Build instructions

  1. Use GNU Make to build OpenLibm. This is make on most systems, but gmake on BSDs.
  2. Use make USEGCC=1 to build with GCC. This is the default on Linux and Windows.
  3. Use make USECLANG=1 to build with clang. This is the default on OS X, FreeBSD, and OpenBSD.
  4. Architectures are auto-detected. Use make ARCH=i386 to force a build for i386. Other supported architectures are i486, i586, and i686. GCC 4.8 is the minimum requirement for correct codegen on older 32-bit architectures.

Acknowledgements

PowerPC support for openlibm was graciously sponsored by IBM.