It has become clear to me that cygwin autoconf etc can not handle
AC_CHECK_HEADERS(zlib.h, [AC_CHECK_LIB(z, gzopen, [LIBS="$LIBS -lz"], LYX_ERROR([zlib not found!]))], [LYX_ERROR([zlib.h not found!])]) If I change these to AC_CHECK_HEADERS(zlib.h) AC_CHECK_LIB(z, gzopen, [LIBS="$LIBS -lz"], LYX_ERROR([zlib not found!])) My system would find zlib.h. I can not find any reason. Have you (windows people) been able to find zlib.h with your configure? Bo
