apr-util: Always declare static calling convention on static builds

Signed-off-by: Timothy Gu <timothygu99@gmail.com>

src/apr-util.mk

@@ -25,6 +25,10 @@ define $(PKG)_BUILD
         --without-sqlite3 \
         --with-apr='$(PREFIX)/$(TARGET)' \
         CFLAGS=-D_WIN32_WINNT=0x0500
-    $(MAKE) -C '$(1)' -j 1 install bin_PROGRAMS= sbin_PROGRAMS= noinst_PROGRAMS= man_MANS= LDFLAGS=-no-undefined
+    $(MAKE) -C '$(1)' -j '$(JOBS)' $(MXE_DISABLE_CRUFT) LDFLAGS=-no-undefined
+    $(MAKE) -C '$(1)' -j 1 install $(MXE_DISABLE_CRUFT)
+    $(if $(BUILD_STATIC), \
+        sed -i '1i #define APU_DECLARE_STATIC 1' \
+            '$(PREFIX)/$(TARGET)/include/apr-1/apu.h')
     ln -sf '$(PREFIX)/$(TARGET)/bin/apu-1-config' '$(PREFIX)/bin/$(TARGET)-apu-1-config'
 endef