id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc 9156,1.54 broke NO_ZLIB=1 and NO_COMPRESSION=1,Warren Togami ,Jonathan Turkanis,"https://github.com/boostorg/iostreams/commit/dfb1f61c26b77556a1cca0654d08847cf87d26ae This commit broke the ability to build boost with without zlib. The following bjam succeeds if you remove these two lines added by this patch. Please fix for 1.55? {{{ + [ ac.check-library /zlib//zlib : /zlib//zlib + zlib.cpp gzip.cpp ] }}} {{{ ./bjam toolset=gcc target-os=windows threadapi=win32 threading=multi variant=release link=static --user-config=user-config.jam --without-mpi --without-python -sNO_BZIP2=1 -sNO_ZLIB=1 --layout=tagged --build-type=complete --prefix=/home/ubuntu/out/staging/boost -j2 install Performing configuration checks - 32-bit : yes - arm : no - mips1 : no - power : no - sparc : no - x86 : yes - has_icu builds : no warning: Graph library does not contain MPI-based parallel components. note: to enable them, add ""using mpi ;"" to your user-config.jam error: at /home/ubuntu/build/boost_1_54_0/tools/build/v2/kernel/modules.jam:107 error: Unable to find file or target named error: '/zlib//zlib' error: referred to from project at error: 'libs/iostreams/build' error: could not resolve project reference '/zlib' }}}",Bugs,new,Boost 1.55.0,iostreams,Boost 1.55.0,Regression,,zlib iostreams /zlib/zlib,swatanabe dave.lowell@… raad@…