Add patched tcc

Forces static link.

sysa/after.kaem.run

@@ -71,9 +71,14 @@ cd diffutils-2.7
 kaem --file ../diffutils-2.7.kaem
 cd ..
 
-# Part 12: patch
+# Part 11: patch
 /after/bin/gunzip patch-2.5.9.tar.gz
 /after/bin/tar xf patch-2.5.9.tar
 cd patch-2.5.9
 kaem --file ../patch-2.5.9.kaem
 cd ..
+
+# Part 12: tcc-patched
+cd tcc-0.9.27
+kaem --file ../tcc-patched.kaem
+cd ..

sysa/patches/tcc/static-link.patch

@@ -0,0 +1,10 @@
+--- libtcc.c	2021-01-14 08:25:30.774995301 +1100
++++ libtcc.c	2021-01-14 08:26:37.594417450 +1100
+@@ -734,6 +734,7 @@
+     ++nb_states;
+ 
+     s->alacarte_link = 1;
++    s->static_link = 1;
+     s->nocommon = 1;
+     s->warn_implicit_function_declaration = 1;
+     s->ms_extensions = 1;

sysa/tcc-patched.kaem

@@ -0,0 +1,34 @@
+#!/bin/sh
+
+set -ex
+
+# Vars
+prefix=/after
+libdir=${prefix}/lib
+bindir=${prefix}/bin
+
+# Patch
+patch -Np0 -i ../patches/tcc/static-link.patch
+
+# Compile
+## We have to use 0.9.26 to recompile 0.9.27, 0.9.27 is not self-hosting for
+## whatever reason.
+boot5-tcc \
+    -v \
+    -static \
+    -o ${bindir}/tcc \
+    -D TCC_TARGET_I386=1 \
+    -D CONFIG_TCCDIR=\"${libdir}/tcc\" \
+    -D CONFIG_TCC_CRTPREFIX=\"${libdir}\" \
+    -D CONFIG_TCC_ELFINTERP=\"/mes/loader\" \
+    -D CONFIG_TCC_LIBPATHS=\"${libdir}:${libdir}/tcc\" \
+    -D CONFIG_TCC_SYSINCLUDEPATHS=\"${prefix}/include\" \
+    -D TCC_LIBGCC=\"${libdir}/libc.a\" \
+    -D CONFIG_TCC_STATIC=1 \
+    -D CONFIG_USE_LIBGCC=1 \
+    -D TCC_VERSION=\"0.9.27\" \
+    -D ONE_SOURCE=1 \
+    tcc.c
+
+# Test
+tcc -version