diff -Paur --no-dereference -- xz.upstream/configure xz/configure
--- xz.upstream/configure
+++ xz/configure
@@ -16829,7 +16829,7 @@
                   done
                   if test -z "$haveit"; then
                     if test -d "$additional_includedir"; then
-                                            INCICONV="${INCICONV}${INCICONV:+ }-I$additional_includedir"
+                                            INCICONV="${INCICONV}${INCICONV:+ }"
                     fi
                   fi
                 fi
@@ -16876,7 +16876,7 @@
                         done
                         if test -z "$haveit"; then
                           if test -d "$additional_libdir"; then
-                                                        LIBICONV="${LIBICONV}${LIBICONV:+ }-L$additional_libdir"
+                                                        LIBICONV="${LIBICONV}${LIBICONV:+ }"
                           fi
                         fi
                         haveit=
@@ -16897,7 +16897,7 @@
                         done
                         if test -z "$haveit"; then
                           if test -d "$additional_libdir"; then
-                                                        LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }-L$additional_libdir"
+                                                        LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }"
                           fi
                         fi
                       fi
@@ -17772,7 +17772,7 @@
                   done
                   if test -z "$haveit"; then
                     if test -d "$additional_includedir"; then
-                                            INCINTL="${INCINTL}${INCINTL:+ }-I$additional_includedir"
+                                            INCINTL="${INCINTL}${INCINTL:+ }"
                     fi
                   fi
                 fi
@@ -17819,7 +17819,7 @@
                         done
                         if test -z "$haveit"; then
                           if test -d "$additional_libdir"; then
-                                                        LIBINTL="${LIBINTL}${LIBINTL:+ }-L$additional_libdir"
+                                                        LIBINTL="${LIBINTL}${LIBINTL:+ }"
                           fi
                         fi
                         haveit=
@@ -17840,7 +17840,7 @@
                         done
                         if test -z "$haveit"; then
                           if test -d "$additional_libdir"; then
-                                                        LTLIBINTL="${LTLIBINTL}${LTLIBINTL:+ }-L$additional_libdir"
+                                                        LTLIBINTL="${LTLIBINTL}${LTLIBINTL:+ }"
                           fi
                         fi
                       fi
@@ -19269,6 +19269,7 @@
 
 #if defined(_WIN32) || defined(__CYGWIN__) || defined(__OS2__) \
 		|| defined(__DJGPP__) || defined(__VMS) \
+		|| defined(__sortix__) \
 		|| defined(AMIGA) || defined(__AROS__) || defined(__QNX__)
 int main(void) { return 0; }
 #else
diff -Paur --no-dereference -- xz.upstream/src/common/tuklib_physmem.c xz/src/common/tuklib_physmem.c
--- xz.upstream/src/common/tuklib_physmem.c
+++ xz/src/common/tuklib_physmem.c
@@ -70,6 +70,11 @@
 // This sysinfo() is Linux-specific.
 #elif defined(TUKLIB_PHYSMEM_SYSINFO)
 #	include <sys/sysinfo.h>
+
+// Sortix
+#elif defined(__sortix__)
+#	include <memusage.h>
+
 #endif
 
 
@@ -210,6 +215,10 @@
 	struct sysinfo si;
 	if (sysinfo(&si) == 0)
 		ret = (uint64_t)si.totalram * si.mem_unit;
+#elif defined(__sortix__)
+	size_t statistic = MEMUSAGE_TOTAL;
+	memusage(&statistic, &statistic, 1);
+	ret = statistic;
 #endif
 
 	return ret;