debdrup@nerd-thinkpad:/usr/ports/security/pam_per_user % sudo make build
===>   pam_per_user-0.4_1 depends on file: /usr/local/sbin/pkg - found
===> Fetching all distfiles required by pam_per_user-0.4_1 for building
===>  Extracting for pam_per_user-0.4_1
=> SHA256 Checksum OK for pam_per_user-0.4.tar.gz.
===>  Patching for pam_per_user-0.4_1
===>  Applying FreeBSD patches for pam_per_user-0.4_1
===>  Configuring for pam_per_user-0.4_1
configure: loading site script /usr/ports/Templates/config.site
checking for epkg... no
checking for mkencap... no
checking for gcc... cc
checking for C compiler default output... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether cc accepts -g... yes
checking for cc option to accept ANSI C... none needed
checking for a BSD-compatible install... /usr/bin/install -c
checking whether ln -s works... yes
checking whether make sets $(MAKE)... yes
checking how to run the C preprocessor... cpp
checking for egrep... grep -E
checking for AIX... no
checking for an ANSI C-conforming const... yes
checking for ANSI C header files... (cached) yes
checking for sys/types.h... (cached) yes
checking for sys/stat.h... (cached) yes
checking for stdlib.h... (cached) yes
checking for string.h... (cached) yes
checking for memory.h... (cached) yes
checking for strings.h... (cached) yes
checking for inttypes.h... (cached) yes
checking for stdint.h... (cached) yes
checking for unistd.h... (cached) yes
checking for unistd.h... (cached) yes
checking for security/pam_appl.h... (cached) yes
checking for security/pam_modules.h... yes
checking for working snprintf... yes
checking for strlcpy... (cached) yes
checking for dlopen in -ldl... yes
checking for pam_start in -lpam... yes
checking how to build shared libraries... CFLAGS=-fpic LDFLAGS=-shared
configure: creating ./config.status
config.status: creating Makefile
config.status: creating config.h
===>  Building for pam_per_user-0.4_1
--- pam_per_user.o ---
--- authtest.o ---
--- pam_per_user.o ---
cc -O2 -pipe  -fstack-protector-strong -fno-strict-aliasing -fpic -I.  -I.  -I./compat -c -o pam_per_user.o pam_per_user.c
--- authtest.o ---
cc -O2 -pipe  -fstack-protector-strong -fno-strict-aliasing -fpic -I.  -I.  -I./compat -c -o authtest.o authtest.c
--- pam_per_user.o ---
pam_per_user.c:379:36: warning: passing 'void **' to parameter of type 'const void **' discards qualifiers in nested pointer types [-Wincompatible-pointer-types-discards-qualifiers]
        if (pam_get_item(from_pamh, type, &item) != PAM_SUCCESS)
                                          ^~~~~
/usr/include/security/pam_appl.h:86:15: note: passing argument to parameter '_item' here
        const void **_item)
                     ^
pam_per_user.c:494:6: warning: passing 'void **' to parameter of type 'const void **' discards qualifiers in nested pointer types [-Wincompatible-pointer-types-discards-qualifiers]
                                 (void **)&old_service) != PAM_SUCCESS)
                                 ^~~~~~~~~~~~~~~~~~~~~
/usr/include/security/pam_appl.h:86:15: note: passing argument to parameter '_item' here
        const void **_item)
                     ^
pam_per_user.c:515:35: warning: passing 'void **' to parameter of type 'const void **' discards qualifiers in nested pointer types [-Wincompatible-pointer-types-discards-qualifiers]
        if (pam_get_item(pamh, PAM_CONV, (void **)&conv) != PAM_SUCCESS)
                                         ^~~~~~~~~~~~~~
/usr/include/security/pam_appl.h:86:15: note: passing argument to parameter '_item' here
        const void **_item)
                     ^
pam_per_user.c:558:25: warning: passing 'char **' to parameter of type 'const char **' discards qualifiers in nested pointer types [-Wincompatible-pointer-types-discards-qualifiers]
        if (pam_get_user(pamh, &user, "login: ") != PAM_SUCCESS)
                               ^~~~~
/usr/include/security/pam_appl.h:91:15: note: passing argument to parameter '_user' here
        const char **_user,
                     ^
pam_per_user.c:581:6: warning: passing 'void **' to parameter of type 'const void **' discards qualifiers in nested pointer types [-Wincompatible-pointer-types-discards-qualifiers]
                                 (void **)&sub_user) != PAM_SUCCESS)
                                 ^~~~~~~~~~~~~~~~~~
/usr/include/security/pam_appl.h:86:15: note: passing argument to parameter '_item' here
        const void **_item)
                     ^
--- per_user_authtest ---
cc -fstack-protector-strong -o per_user_authtest authtest.o  -lpam -ldl
--- pam_per_user.o ---
5 warnings generated.
--- pam_per_user.so.1 ---
cc -fpic -shared -fstack-protector-strong -o pam_per_user.so.1 pam_per_user.o  -lpam -ldl