On Thu, 2022-06-16 at 22:02 -0500, Richard Shaw wrote:
> On Thu, Jun 16, 2022 at 9:57 PM Sérgio Basto <ser...@serjux.com>
> wrote:
> > On Wed, 2022-06-15 at 20:28 -0500, Richard Shaw wrote:
> > > On Wed, Jun 15, 2022 at 5:24 PM Sérgio Basto <ser...@serjux.com>
> > > wrote:
> > > > On Mon, 2022-06-13 at 17:42 -0500, Richard Shaw wrote:
> > > > > On Sun, Jun 12, 2022 at 1:03 PM Michal Schorm
> > > > > <msch...@redhat.com> wrote:
> > > > > > See:
> > > > > > https://bugzilla.redhat.com/show_bug.cgi?id=2079833
> > > > > > 
> > > > > 
> > > > > 
> > > > > Whether it's part of the same problem or not, the "-S ."
> > > > > seems to be causing issues for projects that
> > > > > "add_subdirectory()" other projects. Not everything is
> > > > > propagating into the sub-project.
> > > > 
> > > > 
> > > > Hi , 
> > > > 
> > > > please tell me what packages you need fix the cmake builds and
> > > > I will try to fix it . 
> > > > 
> > > 
> > > 
> > > Now I see the problem regardless of whether I use the "-S ." or
> > > "." at the end method... The strange part is with GNUInstallDirs.
> > > It should only emit that message if neither CMAKE_SYSTEM_NAME nor
> > > CMAKE_SIZEOF_VOIDP is defined, but clearly one of them is:
> > > 
> > > CMake Warning (dev) at
> > > /usr/share/cmake/Modules/GNUInstallDirs.cmake:241 (message):
> > >   Unable to determine default CMAKE_INSTALL_LIBDIR directory
> > > because no
> > >   target architecture is known.  Please enable at least one
> > > language before
> > >   including GNUInstallDirs.
> > > Call Stack (most recent call first):
> > >   CMakeLists.txt:15 (include)
> > > This warning is for project developers.  Use -Wno-dev to suppress
> > > it.
> > > CMAKE_SYSTEM_NAME: Linux
> > > CMAKE_SIZEOF_VOID_P:
> > > 
> > > I'm working with it in a COPR currently so here's a link to the
> > > SRPM:
> > > 
> > > https://hobbes1069.fedorapeople.org/emqx-nanomq-0.8.0-1.fc35.src.rpm
> > 
> > 
> > 
> > Good , now to fix "relocation R_X86_64_32 against `.rodata' can not
> > be used when making a PIE object; recompile with -fPIE" you need
> > patch attached 
> > 
> > Now build ends with 
> > 
> > /usr/bin/ld: ../../../libnng.so.1.6.0-pre: undefined reference to
> > `cJSON_Delete'
> > /usr/bin/ld: ../../../libnng.so.1.6.0-pre: undefined reference to
> > `cJSON_PrintUnformatted'
> > /usr/bin/ld: ../../../libnng.so.1.6.0-pre: undefined reference to
> > `conf_fini'
> > /usr/bin/ld: ../../../libnng.so.1.6.0-pre: undefined reference to
> > `cJSON_AddStringToObject'
> > /usr/bin/ld: ../../../libnng.so.1.6.0-pre: undefined reference to
> > `conf_auth_parser'
> > /usr/bin/ld: ../../../libnng.so.1.6.0-pre: undefined reference to
> > `conf_auth_http_parse'
> > /usr/bin/ld: ../../../libnng.so.1.6.0-pre: undefined reference to
> > `nano_msg_set_dup'
> > /usr/bin/ld: ../../../libnng.so.1.6.0-pre: undefined reference to
> > `cJSON_CreateObject'
> > 
> 
> 
> What did you change?

I sent the patch in attachment 

diff --git a/CMakeLists.txt b/CMakeLists.txt

-SET(CMAKE_C_FLAGS "-std=c99")
-SET(CMAKE_CXX_FLAGS "-std=c++11 -O3")

diff --git a/nanolib/CMakeLists.txt.orig b/nanolib/CMakeLists.txt

-SET(CMAKE_C_FLAGS "-std=gnu99")
-SET(CMAKE_CXX_FLAGS "-std=c++11 -O3")

you need not remove the default C_FLAGS and CXX_FLAGS 

> Now it looks like I'm back to where I was :) I added cjson to the
> BR's but it didn't work, but that's at least something I can
> troubleshoot without all the extra CMake issues.
> 
> Thanks,
> Richard
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-- 
Sérgio M. B.
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