From b6530d0a506320afa4703f2498914f100e51716b Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Mon, 23 Feb 2015 18:51:41 +0100 Subject: [PATCH] [PR target/65181] nvptx libgcc: Prevent building "advanced" stuff (for example, gcov support) When building GCC against a proper newlib sysroot, the libgcc build will include more than what's built in the -Dinhibit_libc configuration used when building newlib as part of the GCC build process. See the inhibit_libc logic in gcc/configure.ac. To avoid... ptxas _gcov_indirect_call_topn_profiler.o, line 101; error : Type or alignment of argument does not match formal parameter 'ptr' ptxas _gcov_indirect_call_topn_profiler.o, line 101; error : Call has wrong number of parameters ptxas _gcov_indirect_call_topn_profiler.o, line 101; error : Type or alignment of argument does not match formal parameter 'size' ptxas fatal : Ptx assembly aborted due to errors nvptx-as: ptxas returned 255 exit status make[2]: *** [_gcov_indirect_call_topn_profiler.o] Error 1 ..., "dumb down" the libgcc build: libgcc/ PR target/65181 * config/nvptx/t-nvptx (INHIBIT_LIBC_CFLAGS): Define to -Dinhibit_libc. From-SVN: r220915 --- libgcc/ChangeLog | 6 ++++++ libgcc/config/nvptx/t-nvptx | 5 +++++ 2 files changed, 11 insertions(+) diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index e05ba785f06..df36a8db631 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,3 +1,9 @@ +2015-02-23 Thomas Schwinge + + PR target/65181 + * config/nvptx/t-nvptx (INHIBIT_LIBC_CFLAGS): Define to + -Dinhibit_libc. + 2015-02-17 Sandra Loosemore * config/arm/bpabi.S (test_div_by_zero): Make label names diff --git a/libgcc/config/nvptx/t-nvptx b/libgcc/config/nvptx/t-nvptx index 08d3a67189e..34d68cca6cd 100644 --- a/libgcc/config/nvptx/t-nvptx +++ b/libgcc/config/nvptx/t-nvptx @@ -7,3 +7,8 @@ LIB2FUNCS_EXCLUDE=__main crt0.o: $(srcdir)/config/nvptx/crt0.s cp $< $@ + +# Prevent building "advanced" stuff (for example, gcov support). We don't +# support it, and it may cause the build to fail, because of alloca usage, for +# example. +INHIBIT_LIBC_CFLAGS = -Dinhibit_libc -- 2.30.2