diff options
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}" |