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| author | bernds <bernds@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-11-28 17:39:15 +0000 |
|---|---|---|
| committer | bernds <bernds@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-11-28 17:39:15 +0000 |
| commit | eb00e55cde26f7ab1994f373acaecdc6c5fdf880 (patch) | |
| tree | 0e296527e984f03d733bdbf9031d556f5292b19a /libgfortran/configure.ac | |
| parent | fe5b308af648f24207ef1bba2234715ea416c5f1 (diff) | |
| download | gcc-eb00e55cde26f7ab1994f373acaecdc6c5fdf880.tar.gz | |
Add support for a minimal version of libgfortran for accelerator targets.
* Makefile.am (AM_CFLAGS): Add -DLIBGFOR_MINIMAL if LIBGFOR_MINIMAL.
(gfor_io_src, gfor_heper_src, gfor_src): Split into minimal and
always included sources.
* Makefile.in: Regenerate.
* configure.ac (LIBGFOR_MINIMAL): New AM_CONDITIONAL.
* configure: Regenerate.
* caf/single.c (caf_runtime_error): Don't print messages if
LIBGFOR_MINIMAL.
* runtime/compile_options.c (fatal_error_in_progress,
show_signal, backtrace_handler, maybe_find_addr2line): Guard with
!defined LIBGFOR_MINIMAL.
(set_options): Likewise for the backtrace code.
* runtime/minimal.c: New file.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@218170 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libgfortran/configure.ac')
| -rw-r--r-- | libgfortran/configure.ac | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libgfortran/configure.ac b/libgfortran/configure.ac index b9386c2c5ec..35a8b395885 100644 --- a/libgfortran/configure.ac +++ b/libgfortran/configure.ac @@ -189,6 +189,18 @@ AM_CONDITIONAL(LIBGFOR_USE_SYMVER, [test "x$gfortran_use_symver" != xno]) AM_CONDITIONAL(LIBGFOR_USE_SYMVER_GNU, [test "x$gfortran_use_symver" = xgnu]) AM_CONDITIONAL(LIBGFOR_USE_SYMVER_SUN, [test "x$gfortran_use_symver" = xsun]) +# For GPU offloading, not everything in libfortran can be supported. +# Currently, the only target that has this problem is nvptx. The +# following is a (partial) list of features that are unsupportable on +# this particular target: +# * Constructors +# * alloca +# * C library support for I/O, with printf as the one notable exception +# * C library support for other features such as signal, environment +# variables, time functions + +AM_CONDITIONAL(LIBGFOR_MINIMAL, [test "x${target_cpu}" = xnvptx]) + # Figure out whether the compiler supports "-ffunction-sections -fdata-sections", # similarly to how libstdc++ does it ac_test_CFLAGS="${CFLAGS+set}" |