libSDL2 not found

[pkoning2]

• I have libSDL2 installed, and CMake knows it but doesn't set up the link properly

Here is the log:

[233/2036] Linking C executable BIN/simh-pdp1
FAILED: BIN/simh-pdp1 
: && /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc -arch arm64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX12.1.sdk -mmacosx-version-min=11.6 -Wl,-search_paths_first -Wl,-headerpad_max_install_names  PDP1/CMakeFiles/pdp1.dir/__/scp.c.o PDP1/CMakeFiles/pdp1.dir/__/sim_card.c.o PDP1/CMakeFiles/pdp1.dir/__/sim_console.c.o PDP1/CMakeFiles/pdp1.dir/__/sim_disk.c.o PDP1/CMakeFiles/pdp1.dir/__/sim_ether.c.o PDP1/CMakeFiles/pdp1.dir/__/sim_fio.c.o PDP1/CMakeFiles/pdp1.dir/__/sim_frontpanel.c.o PDP1/CMakeFiles/pdp1.dir/__/sim_imd.c.o PDP1/CMakeFiles/pdp1.dir/__/sim_serial.c.o PDP1/CMakeFiles/pdp1.dir/__/sim_sock.c.o PDP1/CMakeFiles/pdp1.dir/__/sim_tape.c.o PDP1/CMakeFiles/pdp1.dir/__/sim_timer.c.o PDP1/CMakeFiles/pdp1.dir/__/sim_tmxr.c.o PDP1/CMakeFiles/pdp1.dir/__/sim_video.c.o PDP1/CMakeFiles/pdp1.dir/pdp1_clk.c.o PDP1/CMakeFiles/pdp1.dir/pdp1_cpu.c.o PDP1/CMakeFiles/pdp1.dir/pdp1_dcs.c.o PDP1/CMakeFiles/pdp1.dir/pdp1_dpy.c.o PDP1/CMakeFiles/pdp1.dir/pdp1_drm.c.o PDP1/CMakeFiles/pdp1.dir/pdp1_dt.c.o PDP1/CMakeFiles/pdp1.dir/pdp1_lp.c.o PDP1/CMakeFiles/pdp1.dir/pdp1_stddev.c.o PDP1/CMakeFiles/pdp1.dir/pdp1_sys.c.o -o BIN/simh-pdp1  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX12.1.sdk/usr/lib/libm.tbd  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX12.1.sdk/usr/lib/libdl.tbd  -lpcre  -lpcreposix  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX12.1.sdk/usr/lib/libcurses.tbd  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX12.1.sdk/usr/lib/libform.tbd  -lSDL2 && :
ld: library not found for -lSDL2
clang: error: linker command failed with exit code 1 (use -v to see invocation)