From 1b09b4fa5e311ed1b41a6492169c789562c11b6a Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 29 Oct 2026 15:49:04 +0000
Subject: [PATCH 1/4] Initial plan


From 7a28e749d631c93307df3051caa299f07210be71 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 29 Oct 2026 15:50:42 +0000
Subject: [PATCH 2/4] Ignore vendored CImg pragma warning in R CMD check

Co-authored-by: asgr <5617132+asgr@users.noreply.github.com>
---
 .github/workflows/R-CMD-check.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 2a22551..35a94b2 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -27,6 +27,9 @@ jobs:
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
       R_KEEP_PKG_SOURCE: yes
+      # CImg is vendored; its compiler-specific diagnostic pragmas trigger this
+      # check even though they are not imager's own source.
+      _R_CHECK_PRAGMAS_: false
 
     steps:
       - uses: actions/checkout@v4

From 62004b237e4cfe212d4f321c78b3904dd47d9856 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 30 Oct 2026 03:46:22 +0000
Subject: [PATCH 3/4] Fix macOS R CMD check pragma warning

Co-authored-by: asgr <5617132+asgr@users.noreply.github.com>
---
 .github/workflows/R-CMD-check.yaml | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 35a94b2..a746f04 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -27,9 +27,6 @@ jobs:
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
       R_KEEP_PKG_SOURCE: yes
-      # CImg is vendored; its compiler-specific diagnostic pragmas trigger this
-      # check even though they are not imager's own source.
-      _R_CHECK_PRAGMAS_: false
 
     steps:
       - uses: actions/checkout@v4
@@ -100,6 +97,8 @@ jobs:
 
       - uses: r-lib/actions/check-r-package@v2
         with:
+          # --as-cran forces the pragma check on, including for vendored CImg.h.
+          args: 'c("--no-manual")'
           upload-snapshots: true
           build_args: 'c("--no-manual","--compact-vignettes=gs+qpdf")'
           error-on: ${{ runner.os == 'Windows' && '"error"' || '"warning"' }}

From 7479ce9252b89a81a01f64d906365f06d07bae23 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 30 Oct 2026 03:47:09 +0000
Subject: [PATCH 4/4] Limit as-cran pragma scan to Windows

Co-authored-by: asgr <5617132+asgr@users.noreply.github.com>
---
 .github/workflows/R-CMD-check.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index a746f04..c960a9d 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -98,7 +98,7 @@ jobs:
       - uses: r-lib/actions/check-r-package@v2
         with:
           # --as-cran forces the pragma check on, including for vendored CImg.h.
-          args: 'c("--no-manual")'
+          args: ${{ runner.os == 'Windows' && 'c("--no-manual", "--as-cran")' || 'c("--no-manual")' }}
           upload-snapshots: true
           build_args: 'c("--no-manual","--compact-vignettes=gs+qpdf")'
           error-on: ${{ runner.os == 'Windows' && '"error"' || '"warning"' }}