Merge branch 'gdb1' into 'master'

gdb: compile and startup without errors. can print 1 + 1

See merge request redox-os/cookbook!685

recipes/wip/dev/debug/gdb/recipe.toml

@@ -6,8 +6,12 @@ template = "custom"
 dependencies = [
     "libgmp",
     "libmpfr",
+    "ncurses",
+    "readline"
 ]
 script = """
+DYNAMIC_INIT
+
 COOKBOOK_CONFIGURE_FLAGS+=(
     --disable-binutils
     --disable-ld
@@ -17,6 +21,12 @@ COOKBOOK_CONFIGURE_FLAGS+=(
     --disable-gprof
     --disable-gprofng
     --disable-intl
+    --with-system-readline
+    --with-gmp="${COOKBOOK_SYSROOT}"
+    --with-mpfr="${COOKBOOK_SYSROOT}"
+    --with-curses
 )
+
+"${COOKBOOK_CONFIGURE}" "${COOKBOOK_CONFIGURE_FLAGS[@]}"
 cookbook_configure
 """