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author | Nick Knight <nick.knight@sifive.com> | 2019-12-09 16:18:49 -0800 |
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committer | Andrew Waterman <andrew@sifive.com> | 2019-12-09 16:18:49 -0800 |
commit | 34ceb37298b3b6cdb7eaf38dd519f564a28bfb63 (patch) | |
tree | 07e61d7e852f0f981d5ef51fe879b774e572b331 /Makefile.in | |
parent | 103f61c8a0204e0ad4e2a2dc4c0e9993eb7ef28d (diff) | |
download | riscv-pk-34ceb37298b3b6cdb7eaf38dd519f564a28bfb63.zip riscv-pk-34ceb37298b3b6cdb7eaf38dd519f564a28bfb63.tar.gz riscv-pk-34ceb37298b3b6cdb7eaf38dd519f564a28bfb63.tar.bz2 |
Added --with-abi configure option (#183)
* Added --with-abi configure option
* Revised to preserve original semantics when user specifies --with-arch but not --with-abi or when the user specifies --with-arch but not --host.
Diffstat (limited to 'Makefile.in')
-rw-r--r-- | Makefile.in | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/Makefile.in b/Makefile.in index 8d89184..470f306 100644 --- a/Makefile.in +++ b/Makefile.in @@ -50,14 +50,23 @@ else project_ver:=@PACKAGE_VERSION@ endif -# If --with-arch is not specified, it defaults to whatever the compiler's -# default is. The -with-abi is not necessary for this project. Unconditionally -# compile it with a no-float ABI. i.e., ilp32 for 32-bit and lp64 for 64-bit. +# The user may specify the host ISA (--with-arch) or host ABI (--with-abi). +# *** If neither are given, they use the compiler's defaults. +# *** If --with-arch is given but --with-abi is not, then the ABI defaults to +# ilp32 or lp64, as appropriate for the ISA. +# *** If --with-abi is given but --with-arch is not, then the ISA uses the +# compiler's default. ifneq (@WITH_ARCH@,) march := -march=@WITH_ARCH@ is_32bit := $(findstring 32,$(march)) - mabi := -mabi=$(if $(is_32bit),ilp32,lp64) + ifeq (@WITH_ABI@,) + mabi := -mabi=$(if $(is_32bit),ilp32,lp64) + endif +endif + +ifneq (@WITH_ABI@,) + mabi := -mabi=@WITH_ABI@ endif # Installation directories |