python PG: fix build of py312 packages with Xcode gcc

macports · Dec 9, 2024 · bb75f02 · bb75f02
1 parent c8e95c5
commit bb75f02
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/_resources/port1.0/group/python-1.0.tcl b/_resources/port1.0/group/python-1.0.tcl
@@ -181,6 +181,15 @@ proc python_set_versions {option action args} {
                 lappend pycxxflags -isysroot${configure.sysroot}
                 lappend pyobjcflags -isysroot${configure.sysroot}
             }
+            # Only needed for Python 3.12, since later require C11.
+            if {${python.version} == 312} {
+                # python3.12/internal/pycore_frame.h:134: error:
+                # ‘for’ loop initial declaration used outside C99 mode
+                if {[string match *gcc-4.* ${configure.compiler}]} {
+                    python.add_cflags   yes
+                    lappend pycflags    -std=c99
+                }
+            }
             if {$pycflags ne ""} {
                 build.env-append        CFLAGS=[join $pycflags]
             }