From 751614507172c7cb6ff927286db28c0bad30bd17 Mon Sep 17 00:00:00 2001 From: Duncan Sands Date: Sat, 16 Feb 2008 09:47:41 +0000 Subject: Try to clarify which compilers can be used for the build. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47211 91177308-0d34-0410-b5e6-96231b3b80d8 --- docs/GCCFEBuildInstrs.html | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) (limited to 'docs') diff --git a/docs/GCCFEBuildInstrs.html b/docs/GCCFEBuildInstrs.html index 289bda3..0c67534 100644 --- a/docs/GCCFEBuildInstrs.html +++ b/docs/GCCFEBuildInstrs.html @@ -92,12 +92,13 @@ top-level README.LLVM file, adding ",ada" to EXTRALANGS, for example: systems without some work.

  • The build requires having a compiler that supports Ada, C and C++. The Ada front-end is written in Ada so an Ada compiler is needed to - build it. What is more, the Ada compiler must not be more recent - than what it is trying to compile, otherwise the build will fail. - This rules out gcc-4.3 (but not gcc-4.2) and also the - 2007 GNAT GPL Edition. - The LLVM parts of llvm-gcc are written in C++ so a C++ - compiler is needed to build them. The rest of gcc is written in C. + build it. Appropriate Ada compilers are gcc-4.2 (or earlier) or the + 2006 GNAT GPL Edition + (or earlier). As a general rule, the Ada compiler used for the + build must not be more recent than the Ada compiler it is building. + This is why the build fails with gcc-4.3 and the 2007 GNAT GPL Edition. + The LLVM parts of llvm-gcc are written in C++ so a C++ compiler is + needed to build them. The rest of gcc is written in C. Some linux distributions provide a version of gcc that supports all three languages (the Ada part often comes as an add-on package to the rest of gcc). Otherwise it is possible to combine two versions -- cgit v1.1