On Mon, 22 Aug 2011, H.J. Lu wrote: > > Require a good assembler on ELF targets and just enable this by default > > for them without trying a configure test that won't work for cross > > compilation (AC_RUN_IFELSE is bad). > > > > The toplevel config/elf.m4 provides a good notion of what is or is not > > ELF (if there are problems, we can fix that file). Only a handful of > > targets support non-GNU assemblers; for the vast bulk of targets we should > > assume a not-too-old GNU assembler. That way, the configure test can be > > used to cause a configure-time error if the assembler is defective and it > > doesn't matter that the test is late. > > > > A working .init_array support needs assembler, linker and libc. > That is why AC_RUN_IFELSE is used.
A working .init_array is a standard part of ELF. The correct default for cross compilation to an ELF target (as determined by elf.m4) is to assume it is present; this is not a matter of a GNU extension that could affect interoperation with other tools. -- Joseph S. Myers jos...@codesourcery.com
