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-rw-r--r--winsup/cygwin/Makefile.in8
1 files changed, 7 insertions, 1 deletions
diff --git a/winsup/cygwin/Makefile.in b/winsup/cygwin/Makefile.in
index 2675f8f4d15..c6fc06491eb 100644
--- a/winsup/cygwin/Makefile.in
+++ b/winsup/cygwin/Makefile.in
@@ -149,6 +149,8 @@ NEW_FUNCTIONS:=regcomp posix_regcomp \
regexec posix_regexec \
regfree posix_regfree
+API_VER:=$(srcdir)/include/cygwin/version.h
+
PWD:=${shell pwd}
SUBLIBS:=libpthread.a $(PWD)/libm.a libc.a
EXTRALIBS:=libautomode.a libbinmode.a libtextmode.a
@@ -252,7 +254,7 @@ maintainer-clean realclean: clean
# Rule to build cygwin.dll
-new-$(DLL_NAME): $(LDSCRIPT) $(DLL_OFILES) $(DEF_FILE) $(DLL_IMPORTS) $(LIBC) $(LIBM) Makefile winver_stamp
+new-$(DLL_NAME): $(LDSCRIPT) $(DLL_OFILES) $(DEF_FILE) $(DLL_IMPORTS) $(LIBC) $(LIBM) $(API_VER) Makefile winver_stamp
$(CXX) $(CXXFLAGS) -nostdlib -Wl,-T$(firstword $^) -Wl,--out-implib,cygdll.a -shared -o $@ \
-e $(DLL_ENTRY) $(DEF_FILE) $(DLL_OFILES) version.o winver.o \
$(DLL_IMPORTS) $(MALLOC_OBJ) $(LIBM) $(LIBC) \
@@ -277,6 +279,10 @@ dll_ofiles: $(DLL_OFILES)
$(LIBGMON_A): $(GMON_OFILES) $(GMON_START)
$(AR) rcv $(LIBGMON_A) $(GMON_OFILES)
+$(API_VER): $(srcdir)/cygwin.din
+ @echo Error: Version info is older than DLL API!
+ @false
+
version.cc winver.o: winver_stamp
@ :