Meson: build on recent Fedora

.devcontainer/onCreate-meson.sh

@@ -0,0 +1,29 @@
+#! /bin/sh
+
+SYSTEM=$(build/bin/sage-guess-package-system)
+
+if [ "$SYSTEM" = "fedora" ]; then
+    # Need to use --setopt=tsflags="" to avoid errors with gphelp
+    dnf5 install -y pari-gp --setopt=tsflags=""
+
+    # Mitigate upstream packaging bug: https://bugzilla.redhat.com/show_bug.cgi?id=2332429
+    # by swapping the incorrectly installed OpenCL-ICD-Loader for the expected ocl-icd
+    dnf5 -y swap --repo='fedora' OpenCL-ICD-Loader ocl-icd
+fi
+
+eval $(build/bin/sage-print-system-package-command $SYSTEM "$@" update)
+eval $(build/bin/sage-print-system-package-command $SYSTEM --yes --ignore-missing install $(build/bin/sage-get-system-packages $SYSTEM $(build/bin/sage-package list :standard:)))
+
+# Disable build isolation following the advice of https://mesonbuild.com/meson-python/how-to-guides/editable-installs.html#build-dependencies
+# Install build dependencies manually as workaround for https://github.com/astral-sh/uv/issues/1516
+uv venv
+uv pip install \
+    meson-python \
+    "cypari2 >=2.2.1" \
+    "cysignals >=1.11.2, != 1.12.0" \
+    "cython >=3.0, != 3.0.3" \
+    "gmpy2 ~=2.1.b999" \
+    memory_allocator \
+    "numpy >=1.25" \
+    jinja2
+uv sync --frozen --inexact --no-build-isolation-package=sagemath