From 665f043853ee3edb76ee75d4e80d7c260141f25a Mon Sep 17 00:00:00 2001
From: David Christensen <drc@linux.ibm.com>
Date: Thu, 31 Oct 2024 16:20:33 -0400
Subject: [PATCH] Add ppc64le support

Signed-off-by: David Christensen <drc@linux.ibm.com>
---
 .github/workflows/ci.yml                      |  4 ++++
 Dockerfile.linux                              |  5 +++--
 Dockerfile.linux-musl                         |  2 +-
 README.md                                     |  2 +-
 UpdateLibgit2ToSha.ps1                        |  1 +
 dockerbuild.sh                                | 11 ++++++++++-
 nuget.package/libgit2/LibGit2Sharp.dll.config |  1 +
 7 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c4953432..ac063f82 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,6 +37,10 @@ jobs:
             name: linux-musl-arm64
           - os: ubuntu-20.04
             name: linux-arm
+          - os: ubuntu-20.04
+            name: linux-ppc64le
+          - os: ubuntu-20.04
+            name: linux-musl-ppc64le
           - os: macos-11
             name: osx-x64
           - os: macos-11
diff --git a/Dockerfile.linux b/Dockerfile.linux
index 4421da3d..7bf83726 100644
--- a/Dockerfile.linux
+++ b/Dockerfile.linux
@@ -1,9 +1,10 @@
 FROM bording/crossbuild
 ARG ARCH='amd64'
-ENV CROSS_TRIPLE=${ARCH}
+ARG CC_ARCH='amd64'
+ENV CROSS_TRIPLE=${CC_ARCH}
 RUN apt update && apt -y install pkg-config
 
 WORKDIR /nativebinaries
 COPY . /nativebinaries/
 
-CMD ["/bin/bash", "-c", "./build.libgit2.sh"]
\ No newline at end of file
+CMD ["/bin/bash", "-c", "./build.libgit2.sh"]
diff --git a/Dockerfile.linux-musl b/Dockerfile.linux-musl
index 1cfa1e4e..76341f81 100644
--- a/Dockerfile.linux-musl
+++ b/Dockerfile.linux-musl
@@ -5,4 +5,4 @@ RUN apk add --no-cache bash build-base cmake
 WORKDIR /nativebinaries
 COPY . /nativebinaries/
 
-CMD ["/bin/bash", "-c", "./build.libgit2.sh"]
\ No newline at end of file
+CMD ["/bin/bash", "-c", "./build.libgit2.sh"]
diff --git a/README.md b/README.md
index 053524de..313b85a1 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ the following platforms:
 
  - Windows (x86, x64, arm64)
  - macOS (x64, arm64)
- - Linux (x64, arm, arm64) for both musl and glibc
+ - Linux (x64, arm, arm64, ppc64le) for both musl and glibc
 
  [lg2s-nb]: https://www.nuget.org/packages/LibGit2Sharp.NativeBinaries
  [lg2]: https://libgit2.github.com/
diff --git a/UpdateLibgit2ToSha.ps1 b/UpdateLibgit2ToSha.ps1
index 3f37e9fd..a3111d3d 100644
--- a/UpdateLibgit2ToSha.ps1
+++ b/UpdateLibgit2ToSha.ps1
@@ -123,6 +123,7 @@ Push-Location $libgit2Directory
     <dllmap os="linux" cpu="x86-64" wordsize="64" dll="$binaryFilename" target="lib/linux-x64/lib$binaryFilename.so" />
     <dllmap os="linux" cpu="arm" wordsize="32" dll="$binaryFilename" target="lib/linux-arm/lib$binaryFilename.so" />
     <dllmap os="linux" cpu="armv8" wordsize="64" dll="$binaryFilename" target="lib/linux-arm64/lib$binaryFilename.so" />
+    <dllmap os="linux" cpu="ppc64le" wordsize="64" dll="$binaryFilename" target="lib/linux-ppc64le/lib$binaryFilename.so" />
     <dllmap os="osx" cpu="x86-64" wordsize="64" dll="$binaryFilename" target="lib/osx-x64/lib$binaryFilename.dylib" />
     <dllmap os="osx" cpu="armv8" wordsize="64" dll="$binaryFilename" target="lib/osx-arm64/lib$binaryFilename.dylib" />
 </configuration>
diff --git a/dockerbuild.sh b/dockerbuild.sh
index 489ba499..90373ccc 100755
--- a/dockerbuild.sh
+++ b/dockerbuild.sh
@@ -5,10 +5,19 @@ echo "building for $RID"
 
 if [[ $RID =~ arm64 ]]; then
     arch="arm64"
+    cc_arch="arm64"
 elif [[ $RID =~ arm ]]; then
     arch="armhf"
+    cc_arch="armhf"
+elif [[ $RID == linux-ppc64le ]]; then
+    arch="ppc64le"
+    cc_arch="powerpc64le"
+elif [[ $RID == linux-musl-ppc64le ]]; then
+    arch="ppc64le"
+    cc_arch="ppc64le"
 else
     arch="amd64"
+    cc_arch="amd64"
 fi
 
 if [[ $RID == linux-musl* ]]; then
@@ -17,7 +26,7 @@ else
     dockerfile="Dockerfile.linux"
 fi
 
-docker buildx build -t $RID -f $dockerfile --build-arg ARCH=$arch .
+docker buildx build -t $RID -f $dockerfile --build-arg ARCH=$arch --build-arg CC_ARCH=$cc_arch .
 
 docker run -t -e RID=$RID --name=$RID $RID
 
diff --git a/nuget.package/libgit2/LibGit2Sharp.dll.config b/nuget.package/libgit2/LibGit2Sharp.dll.config
index 81ed6243..31c8e42b 100644
--- a/nuget.package/libgit2/LibGit2Sharp.dll.config
+++ b/nuget.package/libgit2/LibGit2Sharp.dll.config
@@ -2,6 +2,7 @@
     <dllmap os="linux" cpu="x86-64" wordsize="64" dll="git2-a418d9d" target="lib/linux-x64/libgit2-a418d9d.so" />
     <dllmap os="linux" cpu="arm" wordsize="32" dll="git2-a418d9d" target="lib/linux-arm/libgit2-a418d9d.so" />
     <dllmap os="linux" cpu="armv8" wordsize="64" dll="git2-a418d9d" target="lib/linux-arm64/libgit2-a418d9d.so" />
+    <dllmap os="linux" cpu="ppc64le8" wordsize="64" dll="git2-a418d9d" target="lib/linux-ppc64le/libgit2-a418d9d.so" />
     <dllmap os="osx" cpu="x86-64" wordsize="64" dll="git2-a418d9d" target="lib/osx-x64/libgit2-a418d9d.dylib" />
     <dllmap os="osx" cpu="armv8" wordsize="64" dll="git2-a418d9d" target="lib/osx-arm64/libgit2-a418d9d.dylib" />
 </configuration>