Problem: CMake find package support was broken

Solution: regenerate via zproject.

Findczmq.cmake

@@ -5,9 +5,9 @@
 
 if (NOT MSVC)
     include(FindPkgConfig)
-    pkg_check_modules(PC_CZMQ "czmq")
+    pkg_check_modules(PC_CZMQ "libczmq")
     if (NOT PC_CZMQ_FOUND)
-        pkg_check_modules(PC_CZMQ "czmq")
+        pkg_check_modules(PC_CZMQ "libczmq")
     endif (NOT PC_CZMQ_FOUND)
     if (PC_CZMQ_FOUND)
         # some libraries install the headers is a subdirectory of the include dir

Findlibsodium.cmake

@@ -5,9 +5,9 @@
 
 if (NOT MSVC)
     include(FindPkgConfig)
-    pkg_check_modules(PC_LIBSODIUM "sodium")
+    pkg_check_modules(PC_LIBSODIUM "libsodium")
     if (NOT PC_LIBSODIUM_FOUND)
-        pkg_check_modules(PC_LIBSODIUM "sodium")
+        pkg_check_modules(PC_LIBSODIUM "libsodium")
     endif (NOT PC_LIBSODIUM_FOUND)
     if (PC_LIBSODIUM_FOUND)
         # some libraries install the headers is a subdirectory of the include dir

Findlibzmq.cmake

@@ -5,9 +5,9 @@
 
 if (NOT MSVC)
     include(FindPkgConfig)
-    pkg_check_modules(PC_LIBZMQ "zmq")
+    pkg_check_modules(PC_LIBZMQ "libzmq")
     if (NOT PC_LIBZMQ_FOUND)
-        pkg_check_modules(PC_LIBZMQ "zmq")
+        pkg_check_modules(PC_LIBZMQ "libzmq")
     endif (NOT PC_LIBZMQ_FOUND)
     if (PC_LIBZMQ_FOUND)
         # some libraries install the headers is a subdirectory of the include dir

configure.ac

@@ -220,6 +220,8 @@ LIBS="${PREVIOUS_LIBS}"
 zyre_on_mingw32="no"
 zyre_on_cygwin="no"
 zyre_on_android="no"
+zyre_on_linux="no"
+zyre_on_gnu="no"
 
 # Host specific checks
 AC_CANONICAL_HOST
@@ -266,6 +268,7 @@ case "${host_os}" in
         # Define on Linux to enable all library features
         CPPFLAGS="-D_GNU_SOURCE -DLINUX $CPPFLAGS"
         AC_DEFINE(ZYRE_HAVE_LINUX, 1, [Have Linux OS])
+        zyre_on_linux="yes"
 
         case "${host_os}" in
             *android*)
@@ -324,6 +327,14 @@ case "${host_os}" in
         AC_DEFINE(ZYRE_HAVE_CYGWIN, 1, [Have Cygwin])
         zyre_on_cygwin="yes"
         ;;
+    gnu*)
+        # Define on GNU/Hurd to enable all library features
+        if test "x$GXX" = "xyes"; then
+            CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
+        fi
+        AC_DEFINE(ZYRE_HAVE_GNU, 1, [Have GNU/Hurd OS])
+        zyre_on_gnu="yes"
+        ;;
     *)
         AC_MSG_ERROR([unsupported system: ${host_os}.])
         ;;
@@ -362,6 +373,8 @@ AM_CONDITIONAL(ENABLE_SHARED, test "x$enable_shared" = "xyes")
 AM_CONDITIONAL(ON_MINGW, test "x$zyre_on_mingw32" = "xyes")
 AM_CONDITIONAL(ON_CYGWIN, test "x$zyre_on_cygwin" = "xyes")
 AM_CONDITIONAL(ON_ANDROID, test "x$zyre_on_android" = "xyes")
+AM_CONDITIONAL(ON_LINUX, test "x$zyre_on_linux" = "xyes")
+AM_CONDITIONAL(ON_GNU, test "x$zyre_on_gnu" = "xyes")
 AM_CONDITIONAL(INSTALL_MAN, test "x$zyre_install_man" = "xyes")
 AM_CONDITIONAL(BUILD_DOC, test "x$zyre_build_doc" = "xyes")
 

include/zyre.h

@@ -185,36 +185,36 @@ ZYRE_EXPORT int
 
 #ifdef WITH_DRAFTS
 //  Return zlist of current peer ids.
-//  The caller is responsible for destroying the return value when finished with it.
+//  The caller owns the return value and must destroy it when done with it.
 ZYRE_EXPORT zlist_t *
     zyre_peers (zyre_t *self);
 #endif // WITH_DRAFTS
 
 #ifdef WITH_DRAFTS
 //  Return zlist of currently joined groups.
-//  The caller is responsible for destroying the return value when finished with it.
+//  The caller owns the return value and must destroy it when done with it.
 ZYRE_EXPORT zlist_t *
     zyre_own_groups (zyre_t *self);
 #endif // WITH_DRAFTS
 
 #ifdef WITH_DRAFTS
 //  Return zlist of groups known through connected peers.
-//  The caller is responsible for destroying the return value when finished with it.
+//  The caller owns the return value and must destroy it when done with it.
 ZYRE_EXPORT zlist_t *
     zyre_peer_groups (zyre_t *self);
 #endif // WITH_DRAFTS
 
 #ifdef WITH_DRAFTS
 //  Return the endpoint of a connected peer.
-//  The caller is responsible for destroying the return value when finished with it.
+//  The caller owns the return value and must destroy it when done with it.
 ZYRE_EXPORT char *
     zyre_peer_address (zyre_t *self, const char *peer);
 #endif // WITH_DRAFTS
 
 #ifdef WITH_DRAFTS
 //  Return the value of a header of a conected peer. 
 //  Returns null if peer or key doesn't exits.       
-//  The caller is responsible for destroying the return value when finished with it.
+//  The caller owns the return value and must destroy it when done with it.
 ZYRE_EXPORT char *
     zyre_peer_header_value (zyre_t *self, const char *peer, const char *name);
 #endif // WITH_DRAFTS