[gentoo-commits] repo/gentoo:master commit in: eclass/

[Sam James]

commit:     6a3a1e6a613329f2a4ea88a2fffee0134da780e9
Author:     Sam James <sam <AT> gentoo <DOT> org>
AuthorDate: Fri Nov 24 17:22:58 2023 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Fri Nov 24 17:44:36 2023 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=6a3a1e6a

go-env.eclass: Reapply "also set GOARM & GO386 when applicable"

This reverts commit 5718f8440197298e0aa1df2a88a66057d2cdaf83.

Reverted because of the issue mentioned in 
5718f8440197298e0aa1df2a88a66057d2cdaf83
to not leave things broken while investigating a fix.

Reapplying and fixing it up in a followup.

Signed-off-by: Sam James <sam <AT> gentoo.org>

 eclass/go-env.eclass | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/eclass/go-env.eclass b/eclass/go-env.eclass
index 08e3cf498a70..4bc8c4b15c65 100644
--- a/eclass/go-env.eclass
+++ b/eclass/go-env.eclass
@@ -19,6 +19,8 @@ inherit toolchain-funcs
 # @FUNCTION: go-env_set_compile_environment
 # @DESCRIPTION:
 # Set up basic compile environment: CC, CXX, and GOARCH.
+# Necessary platform-specific settings such as GOARM or GO386 are also set
+# according to the Portage configuration when building for those architectures.
 # Also carry over CFLAGS, LDFLAGS and friends.
 # Required for cross-compiling with crossdev.
 # If not set, host defaults will be used and the resulting binaries are host 
arch.
@@ -28,6 +30,9 @@ go-env_set_compile_environment() {
        tc-export CC CXX
 
        export GOARCH="$(go-env_goarch)"
+       use arm && export GOARM=$(go-env_goarm)
+       use x86 && export GO386=$(usex cpu_flags_x86_sse2 '' 'softfloat')
+
        export CGO_CFLAGS="${CGO_CFLAGS:-$CFLAGS}"
        export CGO_CPPFLAGS="${CGO_CPPFLAGS:-$CPPFLAGS}"
        export CGO_CXXFLAGS="${CGO_CXXFLAGS:-$CXXFLAGS}"
@@ -57,4 +62,20 @@ go-env_goarch() {
        esac
 }
 
+# @FUNCTION: go-env_goarm
+# @USAGE: [CHOST-value]
+# @DESCRIPTION:
+# Returns the appropriate GOARM setting for the CHOST given, or the default
+# CHOST.
+go-env_goarm() {
+       case "${1:-${CHOST}}" in
+               armv5*) echo 5;;
+               armv6*) echo 6;;
+               armv7*) echo 7;;
+               *)
+                       die "unknown GOARM for ${1:-${CHOST}}"
+                       ;;
+       esac
+}
+
 fi