--- kitty-0.7.1/setup.py
+++ kitty-0.7.1/setup.py
@@ -163,12 +163,12 @@
     df = '-g3'
     if ccver >= (5, 0):
         df += ' -Og'
-    optimize = df if debug or sanitize else '-O3'
+    optimize = ''
     sanitize_args = get_sanitize_args(cc, ccver) if sanitize else set()
     cflags = os.environ.get(
         'OVERRIDE_CFLAGS', (
             '-Wextra -Wno-missing-field-initializers -Wall -std=c99 -D_XOPEN_SOURCE=700'
-            ' -pedantic-errors -Werror {} {} -D{}DEBUG -fwrapv {} {} -pipe {} -fvisibility=hidden'
+            ' -pedantic {} {} -D{}DEBUG -fwrapv {} {} {} -fvisibility=hidden'
         ).format(
             optimize,
             ' '.join(sanitize_args),
@@ -183,7 +183,7 @@
     )
     ldflags = os.environ.get(
         'OVERRIDE_LDFLAGS',
-        '-Wall ' + ' '.join(sanitize_args) + ('' if debug else ' -O3')
+        '-Wall ' + ' '.join(sanitize_args)
     )
     ldflags = shlex.split(ldflags)
     ldflags.append('-shared')
@@ -455,13 +455,13 @@
 
 
 def build_linux_launcher(args, launcher_dir='.', for_bundle=False, sh_launcher=False):
-    cflags = '-Wall -Werror -fpie'.split()
+    cflags = '-Wall -fpie'.split()
     libs = []
     if args.profile:
         cflags.append('-DWITH_PROFILER'), cflags.append('-g')
         libs.append('-lprofiler')
-    else:
-        cflags.append('-O3')
+    #else:
+    #    cflags.append('-O3')
     if for_bundle:
         cflags.append('-DFOR_BUNDLE')
         cflags.append('-DPYVER="{}"'.format(sysconfig.get_python_version()))