diff --git a/build.zig b/build.zig
index 43a1732..b08ebb2 100644
--- a/build.zig
+++ b/build.zig
@@ -43,6 +43,7 @@ pub fn build(b: *zbs.Builder) void {
         //"-DDEBUG",
     });
     cmph.strip = strip;
+    cmph.want_lto = true;
     cmph.compress_debug_sections = .zlib;
     cmph.omit_frame_pointer = true;
     cmph.addIncludePath("deps/cmph/src");
@@ -60,16 +61,19 @@ pub fn build(b: *zbs.Builder) void {
         "-W",
         "-Wno-unused-function",
         "-fvisibility=hidden",
+        "-fpic",
         //"-DDEBUG",
     });
     bdz.omit_frame_pointer = true;
     bdz.addIncludePath("deps/cmph/src");
     bdz.addIncludePath("include/deps/cmph");
+    bdz.want_lto = true;
 
     {
         const exe = b.addExecutable("turbonss-unix2db", "src/turbonss-unix2db.zig");
         exe.compress_debug_sections = .zlib;
         exe.strip = strip;
+        exe.want_lto = true;
         exe.setTarget(target);
         exe.setBuildMode(mode);
         addCmphDeps(exe, cmph);
@@ -80,6 +84,7 @@ pub fn build(b: *zbs.Builder) void {
         const exe = b.addExecutable("turbonss-analyze", "src/turbonss-analyze.zig");
         exe.compress_debug_sections = .zlib;
         exe.strip = strip;
+        exe.want_lto = true;
         exe.setTarget(target);
         exe.setBuildMode(mode);
         exe.install();
@@ -89,6 +94,7 @@ pub fn build(b: *zbs.Builder) void {
         const exe = b.addExecutable("turbonss-makecorpus", "src/turbonss-makecorpus.zig");
         exe.compress_debug_sections = .zlib;
         exe.strip = strip;
+        exe.want_lto = true;
         exe.setTarget(target);
         exe.setBuildMode(mode);
         exe.install();
@@ -98,6 +104,7 @@ pub fn build(b: *zbs.Builder) void {
         const exe = b.addExecutable("turbonss-getent", "src/turbonss-getent.zig");
         exe.compress_debug_sections = .zlib;
         exe.strip = strip;
+        exe.want_lto = true;
         exe.linkLibC();
         exe.linkLibrary(bdz);
         exe.addIncludePath("deps/cmph/src");
@@ -116,6 +123,7 @@ pub fn build(b: *zbs.Builder) void {
         });
         so.compress_debug_sections = .zlib;
         so.strip = strip;
+        so.want_lto = true;
         so.linkLibC();
         so.linkLibrary(bdz);
         so.addIncludePath("deps/cmph/src");