Luke Granger-Brown
57725ef3ec
git-subtree-dir: third_party/nixpkgs git-subtree-split: 76612b17c0ce71689921ca12d9ffdc9c23ce40b2
37 lines
2.2 KiB
Bash
37 lines
2.2 KiB
Bash
|
||
fixupCFlagsForDarwin() {
|
||
# Because it’s getting called from a Darwin stdenv, MinGW will pick up on Darwin-specific
|
||
# flags, and the ./configure tests will fail to consider it a working cross-compiler.
|
||
# Strip them out, so Wine can use MinGW to build its DLLs instead of trying to use Clang.
|
||
# Ideally, it would be possible to build the DLLs on Windows (i.e., as part of `pkgsCross``),
|
||
# but that is not the case currently with Wine’s build system.
|
||
cflagsFilter='s|-F[^ ]*||g;s|-iframework [^ ]*||g;s|-isystem [^ ]*||g;s| *| |g'
|
||
|
||
# libiconv and libintl aren’t needed by Wine, and having them causes linking to fail.
|
||
# The `CoreFoundation` reference is added by `linkSystemCoreFoundationFramework` in the
|
||
# Apple SDK’s setup hook. Remove that because MingW will fail due to file not found.
|
||
ldFlagsFilter='s|-lintl||g;s|-liconv||g;s|/nix/store/[^-]*-apple-framework-CoreFoundation[^ ]*||g'
|
||
|
||
# `cc-wrapper.sh`` supports getting flags from a system-specific salt. While it is currently a
|
||
# tuple, that’s not considered a stable interface, so the Wine derivation will provide them:
|
||
# - for Darwin: The source is `stdenv.cc.suffixSalt`; and
|
||
# - for MinGW: The source is the `suffixSalt`` attribute of each of the `mingwGccs`.
|
||
export NIX_CFLAGS_COMPILE_@darwinSuffixSalt@=${NIX_CFLAGS_COMPILE-}
|
||
export NIX_LDFLAGS_@darwinSuffixSalt@=${NIX_LDFLAGS-}
|
||
for mingwSalt in @mingwGccsSuffixSalts@; do
|
||
echo removing @darwinSuffixSalt@-specific flags from NIX_CFLAGS_COMPILE for $mingwSalt
|
||
export NIX_CFLAGS_COMPILE_$mingwSalt+="$(sed "$cflagsFilter" <<< "$NIX_CFLAGS_COMPILE")"
|
||
echo removing @darwinSuffixSalt@-specific flags from NIX_LDFLAGS for $mingwSalt
|
||
export NIX_LDFLAGS_$mingwSalt+="$(sed "$ldFlagsFilter;$cflagsFilter" <<< "$NIX_LDFLAGS")"
|
||
done
|
||
|
||
# Make sure the global flags aren’t accidentally influencing the platform-specific flags.
|
||
export NIX_CFLAGS_COMPILE=""
|
||
export NIX_LDFLAGS=""
|
||
}
|
||
|
||
# This is pretty hacky, but this hook _must_ run after `linkSystemCoreFoundationFramework`.
|
||
function runFixupCFlagsForDarwinLast() {
|
||
preConfigureHooks+=(fixupCFlagsForDarwin)
|
||
}
|
||
postUnpackHooks+=(runFixupCFlagsForDarwinLast)
|