http://llvm.org/bugs/show_bug.cgi?id=4109
Summary: libLTO searches for "gcc" by path instead of sysroot
Product: tools
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: lto
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
I build in a clean environment with no environment variables defined, not even
PATH. This leads to failed LTO builds because libLTO expects to be able to find
the system GCC by searching the current path. Excerpt from
tools/lto/LTOCodeGenerator.cpp:216:
// find compiler driver
const sys::Path gcc = sys::Program::FindProgramByName("gcc");
Perhaps we could add an #ifdef SYSROOT path to this logic to mirror llvm-gcc?
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