Linking SDL2 fails on linux sparc

[Connor McLaughlan <cont6pro3%gmail.com@localhost>]

Hi,

my system is debian linux on sparc.
I have a bootstrapped pkgsrc-2020Q1 and also tried a current cvs checkout.

During configure-phase, dlopen is found, i guess this is the pkgsrc-builtin:

checking for dlopen... yes
checking for dlopen in -lc... no
checking for dlopen in -ldl... no
checking for dlopen in -lltdl... no

But during linking i get the following error:

===> Building for SDL2-2.0.12
set -e;                         cd
/usr/pkgsrc/devel/SDL2/work/SDL2-2.0.12 && cd
/usr/pkgsrc/devel/SDL2/work/SDL2-2.0.12 &&     /usr/bin/env
USETOOLS=no DL_CFLAGS= DL_LDFLAGS= DL_LIBS= PTHREAD_CFLAGS=\ -pthread\
 PTHREAD_LDFLAGS=\ -pthread PTHREAD_LIBS= PTHREADBASE=/usr CC=cc
CFLAGS=-O2\ -D_FORTIFY_SOURCE=2\ -I/usr/pkg/include\ -I/usr/include\
-I/usr/pkg/include/libdrm CPPFLAGS=-I/usr/pkg/include\ -I/usr/include\
-I/usr/pkg/include/libdrm CXX=c++ CXXFLAGS=-O2\ -D_FORTIFY_SOURCE=2\
-I/usr/pkg/include\ -I/usr/include\ -I/usr/pkg/include/libdrm
COMPILER_RPATH_FLAG=-Wl,-R F77=f77 FC=f77 FFLAGS=-O LANG=C LC_ALL=C
LC_COLLATE=C LC_CTYPE=C LC_MESSAGES=C LC_MONETARY=C LC_NUMERIC=C
LC_TIME=C LDFLAGS=-ldl\ -L/usr/pkg/lib\ -Wl,-R/usr/pkg/lib\
-L/usr/lib\ -Wl,-R/usr/lib LINKER_RPATH_FLAG=-R
PATH=/usr/pkgsrc/devel/SDL2/work/.cwrapper/bin:/usr/pkgsrc/devel/SDL2/work/.buildlink/bin:/usr/pkgsrc/devel/SDL2/work/.gcc/bin:/usr/pkgsrc/devel/SDL2/work/.tools/bin:/usr/pkg/bin:/usr/pkg/bin:/usr/pkg/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games:/usr/pkg/bin:/usr/pkg/bin
PREFIX=/usr/pkg MAKELEVEL=0 CONFIG_SITE= PKG_SYSCONFDIR=/usr/pkg/etc
HOME=/usr/pkgsrc/devel/SDL2/work/.home
CWRAPPERS_CONFIG_DIR=/usr/pkgsrc/devel/SDL2/work/.cwrapper/config
CPP=cpp LOCALBASE=/usr/pkg X11BASE=/usr/pkg PKGMANDIR=man
PKGINFODIR=info PKGGNUDIR=gnu/ MAKECONF=/dev/null OBJECT_FMT=ELF
USETOOLS=no LIBTOOL="/usr/pkgsrc/devel/SDL2/work/.cwrapper/bin/libtool
" BSD_INSTALL_PROGRAM=/bin/install\ -c\ -s\ -o\ root\ -g\ root\ -m\
755 BSD_INSTALL_SCRIPT=/bin/install\ -c\ -o\ root\ -g\ root\ -m\ 755
BSD_INSTALL_LIB=/bin/install\ -c\ -o\ root\ -g\ root\ -m\ 755
BSD_INSTALL_DATA=/bin/install\ -c\ -o\ root\ -g\ root\ -m\ 644
BSD_INSTALL_MAN=/bin/install\ -c\ -o\ root\ -g\ root\ -m\ 644
BSD_INSTALL=/bin/install BSD_INSTALL_PROGRAM_DIR=/bin/install\ -d\ -o\
root\ -g\ root\ -m\ 755 BSD_INSTALL_SCRIPT_DIR=/bin/install\ -d\ -o\
root\ -g\ root\ -m\ 755 BSD_INSTALL_LIB_DIR=/bin/install\ -d\ -o\
root\ -g\ root\ -m\ 755 BSD_INSTALL_DATA_DIR=/bin/install\ -d\ -o\
root\ -g\ root\ -m\ 755 BSD_INSTALL_MAN_DIR=/bin/install\ -d\ -o\
root\ -g\ root\ -m\ 755 BSD_INSTALL_GAME=/bin/install\ -c\ -s\ -o\
root\ -g\ root\ -m\ 2555 BSD_INSTALL_GAME_DATA=/bin/install\ -c\ -o\
root\ -g\ root\ -m\ 664 BSD_INSTALL_GAME_DIR=/bin/install\ -d\ -o\
root\ -g\ root\ -m\ 775 INSTALL_INFO=
MAKEINFO=/usr/pkgsrc/devel/SDL2/work/.tools/bin/makeinfo FLEX= BISON=
PKG_CONFIG=/usr/pkgsrc/devel/SDL2/work/.tools/bin/pkg-config
PKG_CONFIG_LIBDIR=/usr/pkgsrc/devel/SDL2/work/.buildlink/lib/pkgconfig:/usr/pkgsrc/devel/SDL2/work/.buildlink/share/pkgconfig
PKG_CONFIG_LOG=/usr/pkgsrc/devel/SDL2/work/.pkg-config.log
PKG_CONFIG_PATH=
CWRAPPERS_CONFIG_DIR=/usr/pkgsrc/devel/SDL2/work/.cwrapper/config
               /usr/bin/make                            -f Makefile
all
/bin/bash build-scripts/updaterev.sh
  LTLINK build/libSDL2.la
/usr/bin/ld: build/.libs/SDL_dynapi.o: in function `SDL_InitDynamicAPI':
SDL_dynapi.c:(.text+0x3460): undefined reference to `dlopen'
/usr/bin/ld: SDL_dynapi.c:(.text+0x3478): undefined reference to `dlsym'
/usr/bin/ld: SDL_dynapi.c:(.text+0x34c4): undefined reference to `dlclose'
/usr/bin/ld: build/.libs/SDL_sysloadso.o: in function `SDL_LoadObject_REAL':
SDL_sysloadso.c:(.text+0x8): undefined reference to `dlopen'
/usr/bin/ld: SDL_sysloadso.c:(.text+0x1c): undefined reference to `dlerror'
/usr/bin/ld: build/.libs/SDL_sysloadso.o: in function `SDL_LoadFunction_REAL':
SDL_sysloadso.c:(.text+0x68): undefined reference to `dlsym'
/usr/bin/ld: SDL_sysloadso.c:(.text+0xc4): undefined reference to `dlsym'
/usr/bin/ld: SDL_sysloadso.c:(.text+0xd8): undefined reference to `dlerror'
/usr/bin/ld: SDL_sysloadso.c:(.text+0x12c): undefined reference to `dlsym'
/usr/bin/ld: build/.libs/SDL_sysloadso.o: in function `SDL_UnloadObject_REAL':
SDL_sysloadso.c:(.text+0x15c): undefined reference to `dlclose'
/usr/bin/ld: build/.libs/SDL_x11opengl.o: in function `X11_GL_GetProcAddress':
SDL_x11opengl.c:(.text+0x610): undefined reference to `dlsym'
/usr/bin/ld: build/.libs/SDL_x11opengl.o: in function `X11_GL_LoadLibrary':
SDL_x11opengl.c:(.text+0x79c): undefined reference to `dlopen'
/usr/bin/ld: SDL_x11opengl.c:(.text+0x7e0): undefined reference to `dlsym'
/usr/bin/ld: SDL_x11opengl.c:(.text+0x7fc): undefined reference to `dlsym'
/usr/bin/ld: SDL_x11opengl.c:(.text+0xdd8): undefined reference to `dlclose'
/usr/bin/ld: SDL_x11opengl.c:(.text+0xf70): undefined reference to `dlerror'
/usr/bin/ld: build/.libs/SDL_systhread.o: in function `SDL_SYS_CreateThread':
SDL_systhread.c:(.text+0xf8): undefined reference to `dlsym'
collect2: error: ld returned 1 exit status
make: *** [Makefile:151: build/libSDL2.la] Error 1
*** Error code 2

Stop.

So at configure i think it only finds the pkgsrc-internal dopen, but
later wants to link against the system's dlopen by passing -ldl, which
fails.

What is possibly going wrong here?

Regards,
Connor