crosstool-ng/config/cc/gcc.in

# Compiler options
#
## default y
## select CC_SUPPORT_CXX if !LIBC_none
## select CC_SUPPORT_FORTRAN
## select CC_SUPPORT_JAVA if !GCC_7_or_later
## select CC_SUPPORT_ADA
## select CC_SUPPORT_OBJC
## select CC_SUPPORT_OBJCXX
## select CC_SUPPORT_GOLANG
# GCC7 requires ISL 0.15+
## select ISL_REQUIRE_0_15_or_later if ISL_NEEDED && GCC_7_or_later
# GCC6 requires ISL 0.14+ (it says 0.14-0.16, but accepts newer ISL as well)
## select ISL_REQUIRE_0_14_or_later if ISL_NEEDED && GCC_6_or_later
# GCC5 requires ISL 0.12+ (again, it says 0.12-0.16, but also accepts newer ISL)
## select ISL_REQUIRE_0_12_or_later if ISL_NEEDED && GCC_5_or_later
# GCC4.9 requires ISL 0.10..0.15
# GCC4.8 requires ISL 0.10..0.14
## select ISL_REQUIRE_0_10_or_later if ISL_NEEDED && GCC_4_8_or_later
## select ISL_REQUIRE_0_15_or_older if ISL_NEEDED && GCC_4_9_or_later && !GCC_5_or_later
## select ISL_REQUIRE_0_14_or_older if ISL_NEEDED && GCC_4_8_or_later && !GCC_4_9_or_later
##
## help gcc is the full-blown GNU compiler. This is what most people will choose.
## help
## help gcc supports many languages, a powerful code parser, optimised binary
## help output, and lots of other features.

source "config/versions/gcc.in"