link in tinfo, call setupterm()

CMakeLists.txt

@@ -10,12 +10,20 @@ configure_file(tools/version.h.in include/version.h)
 
 include(GNUInstallDirs)
 
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(TERMINFO REQUIRED tinfo>=6.1)
+
 file(GLOB LIBSRCS CONFIGURE_DEPENDS src/lib/*.c)
 add_library(notcurses SHARED ${LIBSRCS})
 target_include_directories(notcurses
   PRIVATE
     include
     "${PROJECT_BINARY_DIR}/include"
+    "${TERMINFO_INCLUDE_DIR}"
+)
+target_link_libraries(notcurses
+  INTERFACE
+  "${TERMINFO_LIBRARIES}"
 )
 set_target_properties(notcurses PROPERTIES
   PUBLIC_HEADER "include/notcurses.h"

src/lib/notcurses.c

@@ -1,3 +1,5 @@
+#include <curses.h> // needed for some definitions, see terminfo(3ncurses)
+#include <term.h>
 #include <errno.h>
 #include <stdio.h>
 #include <unistd.h>
@@ -37,6 +39,12 @@ notcurses* notcurses_init(void){
   if(ret == NULL){
     return ret;
   }
+  int termerr;
+  if(setupterm(NULL, STDERR_FILENO, &termerr) != OK){
+    fprintf(stderr, "Terminfo error %d (see terminfo(3ncurses))\n", termerr);
+    free(ret);
+    return NULL;
+  }
   // FIXME should we maybe use stdout if stdin was redirected?
   ret->ttyfd = STDIN_FILENO;
   return ret;