if test "$needs_zlib" = no; then ZLIBCPPFLAGS= LDZLIB= ZLIBDEP= else EXTRA_ZLIB_INCLUDE= EXTRA_ZLIB_LIBDIR= if test "$with_system_zlib" = yes; then if test "x$with_zlib_libdir" != x; then EXTRA_ZLIB_LIBDIR="-L$with_zlib_libdir" fi if test "x$with_zlib_include" != x; then EXTRA_ZLIB_INCLUDE="-I$with_zlib_include" fi fi OLD_LDFLAGS=$LDFLAGS OLD_CPP=$CPP OLD_LIBS=$LIBS LDFLAGS="$LDFLAGS $EXTRA_ZLIB_LIBDIR" CPP="$CPP $EXTRA_ZLIB_INCLUDE" if test "$with_system_zlib" = yes; then AC_CHECK_LIB(z, inflate,, AC_MSG_WARN(Standard ZLIB library not found. Compiling my own.) with_system_zlib=no) fi if test "$with_system_zlib" = yes; then AC_CHECK_HEADERS(zlib.h) if test "$ac_cv_header_zlib_h" != yes; then AC_MSG_WARN(zlib.h not found. Using my own zlib sources.) with_system_zlib=no fi fi LDFLAGS=$OLD_LDFLAGS CPP=$OLD_CPP LIBS=$OLD_LIBS if test "$with_system_zlib" != yes; then ZLIBCPPFLAGS='-I$(ZLIBDIR) -I$(ZLIBSRCDIR)' LDZLIB='$(ZLIBDIR)/libz.a' ZLIBDEP='$(ZLIBDIR)/libz.a' using_system_zlib=no else ZLIBCPPFLAGS="$EXTRA_ZLIB_INCLUDE" LDZLIB="$EXTRA_ZLIB_LIBDIR -lz" ZLIBDEP= using_system_zlib=yes fi fi AC_SUBST(ZLIBCPPFLAGS) AC_SUBST(LDZLIB) AC_SUBST(ZLIBDEP)