From 08259c7a891530b90a2d5231de9290b140c64961 Mon Sep 17 00:00:00 2001
From: "Ralf W. Grosse-Kunstleve" <rwgk@google.com>
Date: Fri, 16 Jun 2023 14:23:58 -0700
Subject: [PATCH 1/3] Systematically add PIP_BREAK_SYSTEM_PACKAGES to all .yml
 files from which pip is called.

---
 .github/workflows/ci.yml        | 1 +
 .github/workflows/configure.yml | 1 +
 .github/workflows/pip.yml       | 1 +
 .github/workflows/upstream.yml  | 1 +
 4 files changed, 4 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 45a6738f75..fe1cb8e6c1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,6 +16,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
+  PIP_BREAK_SYSTEM_PACKAGES: 1
   PIP_ONLY_BINARY: numpy
   FORCE_COLOR: 3
   PYTEST_TIMEOUT: 300
diff --git a/.github/workflows/configure.yml b/.github/workflows/configure.yml
index 4ae22281c6..82a4939004 100644
--- a/.github/workflows/configure.yml
+++ b/.github/workflows/configure.yml
@@ -13,6 +13,7 @@ permissions:
   contents: read
 
 env:
+  PIP_BREAK_SYSTEM_PACKAGES: 1
   # For cmake:
   VERBOSE: 1
 
diff --git a/.github/workflows/pip.yml b/.github/workflows/pip.yml
index c1feb6fe10..04d95a28c5 100644
--- a/.github/workflows/pip.yml
+++ b/.github/workflows/pip.yml
@@ -16,6 +16,7 @@ permissions:
   contents: read
 
 env:
+  PIP_BREAK_SYSTEM_PACKAGES: 1
   PIP_ONLY_BINARY: numpy
 
 jobs:
diff --git a/.github/workflows/upstream.yml b/.github/workflows/upstream.yml
index d4220be228..dd8a1c9606 100644
--- a/.github/workflows/upstream.yml
+++ b/.github/workflows/upstream.yml
@@ -12,6 +12,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
+  PIP_BREAK_SYSTEM_PACKAGES: 1
   PIP_ONLY_BINARY: ":all:"
   # For cmake:
   VERBOSE: 1

From 21aac2eaf8708a8861d22643faf4a0b72dd0fa57 Mon Sep 17 00:00:00 2001
From: "Ralf W. Grosse-Kunstleve" <rwgk@google.com>
Date: Fri, 16 Jun 2023 16:12:01 -0700
Subject: [PATCH 2/3] Try gcc:10-bullseye (because gcc:10 is broken:
 https://github.com/docker-library/gcc/issues/95)

---
 .github/workflows/ci.yml | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fe1cb8e6c1..44847d5afe 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -455,17 +455,19 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        container_suffix:
+          - ""
         include:
           - { gcc: 7, std: 11 }
           - { gcc: 7, std: 17 }
           - { gcc: 8, std: 14 }
           - { gcc: 8, std: 17 }
-          - { gcc: 10, std: 17 }
+          - { gcc: 10, std: 17, container_suffix: "-bullseye" }
           - { gcc: 11, std: 20 }
           - { gcc: 12, std: 20 }
 
     name: "🐍 3 • GCC ${{ matrix.gcc }} • C++${{ matrix.std }}• x64"
-    container: "gcc:${{ matrix.gcc }}"
+    container: "gcc:${{ matrix.gcc }}${{ matrix.container_suffix }}"
 
     steps:
     - uses: actions/checkout@v3

From d930c48bf37770be4d73980d23dbe6356d6662dc Mon Sep 17 00:00:00 2001
From: "Ralf W. Grosse-Kunstleve" <rwgk@google.com>
Date: Fri, 16 Jun 2023 16:44:46 -0700
Subject: [PATCH 3/3] bug fix (matrix did not work as hoped)

---
 .github/workflows/ci.yml | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 44847d5afe..1d5d502b00 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -455,16 +455,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        container_suffix:
-          - ""
         include:
-          - { gcc: 7, std: 11 }
-          - { gcc: 7, std: 17 }
-          - { gcc: 8, std: 14 }
-          - { gcc: 8, std: 17 }
+          - { gcc: 7, std: 11, container_suffix: "" }
+          - { gcc: 7, std: 17, container_suffix: "" }
+          - { gcc: 8, std: 14, container_suffix: "" }
+          - { gcc: 8, std: 17, container_suffix: "" }
           - { gcc: 10, std: 17, container_suffix: "-bullseye" }
-          - { gcc: 11, std: 20 }
-          - { gcc: 12, std: 20 }
+          - { gcc: 11, std: 20, container_suffix: "" }
+          - { gcc: 12, std: 20, container_suffix: "" }
 
     name: "🐍 3 • GCC ${{ matrix.gcc }} • C++${{ matrix.std }}• x64"
     container: "gcc:${{ matrix.gcc }}${{ matrix.container_suffix }}"