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build: propagate CC/CXX into config.mk #419

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Mar 4, 2018
Merged

build: propagate CC/CXX into config.mk #419

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30cccbe
build: propagate CC/CXX into config.mk
iblislin Mar 2, 2018
aff4914
update doc
iblislin Mar 2, 2018
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8 changes: 8 additions & 0 deletions deps/build.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,8 @@ else
end

# propagate more build flags from ENV
const CC = get(ENV, "CC", nothing)
const CXX = get(ENV, "CXX", nothing)
const ADD_CFLAGS = get(ENV, "ADD_CFLAGS", nothing)
const ADD_LDFLAGS = get(ENV, "ADD_LDFLAGS", nothing)

Expand Down Expand Up @@ -224,6 +226,12 @@ if !libmxnet_detected
end

# propagate more build flags from ENV
if CC != nothing
`sed -i -s "s@^export CC =\(.*\)@export CC = $CC@" config.mk`
end
if CXX != nothing
`sed -i -s "s@^export CXX =\(.*\)@export CXX = $CXX@" config.mk`
end
if ADD_CFLAGS != nothing
`sed -i -s "s@ADD_CFLAGS =\(.*\)@ADD_CFLAGS =\1 $ADD_CFLAGS@" config.mk`
end
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2 changes: 2 additions & 0 deletions docs/src/user-guide/install.md
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Expand Up @@ -31,6 +31,8 @@ There are several environment variables that change this behaviour.
you can use the`MXNET_COMMIT` variable to point to either a version tag
(e.g. `v0.10.0`), a branch name (e.g. `master`) or a specific commit hash
(e.g. `a0b1c2d3`).
- `CC`: The path of C compiler.
- `CXX`: The path of C++ compiler.
- `ADD_CFLAGS`: Additional C flags. For instance,
if you need to point non-standard include directory, please set it as
`ENV["ADD_CFLAGS"] = "-I'/path/to/include/dir'"`.
Expand Down