- Issue #17029: Let h2py search the multiarch system include directory.

Makefile.pre.in

@@ -97,6 +97,9 @@ PY_CORE_CFLAGS=	$(PY_CFLAGS) $(PY_CPPFLAGS) $(CFLAGSFORSHARED) -DPy_BUILD_CORE
 # Machine-dependent subdirectories
 MACHDEP=	@MACHDEP@
 
+# Multiarch directory (may be empty)
+MULTIARCH=	@MULTIARCH@
+
 # Install prefix for architecture-independent files
 prefix=		@prefix@
 
@@ -1119,6 +1122,7 @@ $(srcdir)/Lib/$(PLATDIR):
 	export PYTHONPATH; PYTHONPATH="`pwd`/Lib"; \
 	export DYLD_FRAMEWORK_PATH; DYLD_FRAMEWORK_PATH="`pwd`"; \
 	export EXE; EXE="$(BUILDEXE)"; \
+	if [ -n "$(MULTIARCH)" ]; then export MULTIARCH; MULTIARCH=$(MULTIARCH); fi; \
 	cd $(srcdir)/Lib/$(PLATDIR); $(RUNSHARED) ./regen
 
 python-config: $(srcdir)/Misc/python-config.in

Misc/NEWS

@@ -746,6 +746,8 @@ Tests
 Build
 -----
 
+- Issue #17029: Let h2py search the multiarch system include directory.
+
 - Issue #16953: Fix socket module compilation on platforms with
   HAVE_BROKEN_POLL. Patch by Jeffrey Armstrong.
 

Tools/scripts/h2py.py

@@ -50,6 +50,11 @@ except KeyError:
         searchdirs=os.environ['INCLUDE'].split(';')
     except KeyError:
         searchdirs=['/usr/include']
+        try:
+            searchdirs.insert(0, os.path.join('/usr/include',
+                                              os.environ['MULTIARCH']))
+        except KeyError:
+            pass
 
 def main():
     global filedict

configure

@@ -684,6 +684,7 @@ BLDLIBRARY
 DLLLIBRARY
 LDLIBRARY
 LIBRARY
+MULTIARCH
 BUILDEXEEXT
 EGREP
 GREP
@@ -5351,6 +5352,9 @@ hp*|HP*)
     esac;;
 esac
 
+MULTIARCH=$($CC --print-multiarch 2>/dev/null)
+
+
 
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking LIBRARY" >&5

configure.ac

@@ -764,6 +764,9 @@ hp*|HP*)
     esac;;
 esac
 
+MULTIARCH=$($CC --print-multiarch 2>/dev/null)
+AC_SUBST(MULTIARCH)
+
 
 AC_SUBST(LIBRARY)
 AC_MSG_CHECKING(LIBRARY)