diff --git a/1990/stig/Makefile b/1990/stig/Makefile
index 6c0169965..743fac03a 100644
--- a/1990/stig/Makefile
+++ b/1990/stig/Makefile
@@ -127,7 +127,7 @@ all: data ${TARGET}
 	supernova deep_magic magic charon pluto
 
 ${PROG}: ${PROG}.c
-	@echo "source stig.sh ; source stig.c" | ${SH}
+	@echo "source ./stig.sh ; source ./stig.c" | ${SH}
 
 # alternative executable
 #
diff --git a/2004/jdalbec/jdalbec.c b/2004/jdalbec/jdalbec.c
index 2776d2d37..073a39c4d 100644
--- a/2004/jdalbec/jdalbec.c
+++ b/2004/jdalbec/jdalbec.c
@@ -1,28 +1,25 @@
-#define Nd Np define
-#define Np ??=
-
-Nd Ba BC(B, I)
-Nd Be BC(Br, I)
-Nd Ca(C, Ca) CB(B, In C, Ca)
-Nd Cl(Cl) Cl Cl
-Nd Cs const
-Nd FrB N = Zr; Fr((O, B = BrB(BrF, I)))
-Nd Fe(F) FO (In = Zr; F; In++)
-Nd FF FB(B); FB(BF);
-Nd FI Fe(IO)
-Nd FO for
-Nd Fr(F) FO (I = Zr; F; I++)
-Nd II I I, In
-Nd In(I, Ir) main(I, Ir)
-Nd IO In[O[C + I]]
-Nd Ir(I) if (I)
-Nd Nb N > N && N > -O
-Nd Rb(Rb, B) BBr(Br, Rb, B)
-Nd Re return
-Nd Sc struct
-Nd Si(Te) sizeof (Te)
-Nd Te typedef
-Nd Zn N < Zr
+??= define Ba BC(B, I)
+??= define Be BC(Br, I)
+??= define Ca(C, Ca) CB(B, In C, Ca)
+??= define Cl(Cl) Cl Cl
+??= define Cs const
+??= define FrB N = Zr; Fr((O, B = BrB(BrF, I)))
+??= define Fe(F) FO (In = Zr; F; In++)
+??= define FF FB(B); FB(BF);
+??= define FI Fe(IO)
+??= define FO for
+??= define Fr(F) FO (I = Zr; F; I++)
+??= define II I I, In
+??= define In(I, Ir) main(I, Ir)
+??= define IO In[O[C + I]]
+??= define Ir(I) if (I)
+??= define Nb N > N && N > -O
+??= define Rb(Rb, B) BBr(Br, Rb, B)
+??= define Re return
+??= define Sc struct
+??= define Si(Te) sizeof (Te)
+??= define Te typedef
+??= define Zn N < Zr
 
 Te char C;
 Te int I;
@@ -54,37 +51,7 @@ V *(*Mo)(Si) = malloc;
 I (*Pr)(Cs C *, ...) = printf;
 I (*P)(I) = putchar;
 
-Nd Tm(B,C) \
-Sc B { \
-	C *B; \
-	I N; \
-} ; \
-Te Sc B *B; \
-\
-B N##B (I) ; \
-V F##B (B) ; \
-C B##C (B, I) ; \
-V C##B (B, I, C) ; \
-\
-B N##B (I N) { \
-	B B; \
-\
-	Re (W, B = Mo(Si(Sc B))) ? \
-		(O, B->B = Mo(((W, B->N = N) ? N : O) * Si(C))) ? \
-			B Cl(: (At(), B)); \
-} \
-V F##B (B B) { \
-	F(B->B); \
-	F(B); \
-} \
-C B##C (B B, I N) { \
-	Re B->Nb ? B->B[N] : (C) Zr; \
-} \
-V C##B (B B, I N, C C) { \
-	N; \
-	B->Nb ? B->B[N] = C : C ? At(), C : C; \
-}
-
+??= define Tm(B,C) Sc B { C *B; I N; } ; Te Sc B *B; B N##B (I) ; V F##B (B) ; C B##C (B, I) ; V C##B (B, I, C) ; B N##B (I N) { B B; Re (W, B = Mo(Si(Sc B))) ? (O, B->B = Mo(((W, B->N = N) ? N : O) * Si(C))) ? B Cl(: (At(), B)); } V F##B (B B) { F(B->B); F(B); } C B##C (B B, I N) { Re B->Nb ? B->B[N] : (C) Zr; } V C##B (B B, I N, C C) { N; B->Nb ? B->B[N] = C : C ? At(), C : C; }
 Tm(B,C)
 
 V Pb (B) ;
@@ -93,30 +60,30 @@ C Co (B, B, I) ;
 B Sb (B, I) ;
 
 V Pb (B B) {
-	I I;
-	Fr(Ba) 
-		P(Ba);
+ I I;
+ Fr(Ba)
+  P(Ba);
 }
 I Bi (B B) {
-	I I;
-	Fr(Ba) ;
-	Re I;
+ I I;
+ Fr(Ba) ;
+ Re I;
 }
 C Co (B Br, B B, I N) {
-	I I;
-	Fr(I < N)
-		Ir(Be - Ba)
-			Re Be - Ba;
-	Re Zr;
+ I I;
+ Fr(I < N)
+  Ir(Be - Ba)
+   Re Be - Ba;
+ Re Zr;
 }
 B Sb (B Br, I N) {
-	B B;
-	I I;
+ B B;
+ I I;
 
-	B = NB(Zn ? Bi(Br) + N : N);
-	FO(I = Zn ? -N : Zr; Zn ? Be : I < N; I++)
-		CB(B, Zn ? I + N : I, Be);
-	Re B;
+ B = NB(Zn ? Bi(Br) + N : N);
+ FO(I = Zn ? -N : Zr; Zn ? Be : I < N; I++)
+  CB(B, Zn ? I + N : I, Be);
+ Re B;
 }
 
 Tm(Br,B)
@@ -124,13 +91,13 @@ Tm(Br,B)
 V PBr (Br, I) ;
 
 V PBr (Br B, I N) {
-	I I;
-	Pr(W * W + Xe, N);
-	Fr(BrB(B, I)) {
-		P(O[Na]);
-		Pb(BrB(B, I));
-	}
-	P(Xe[W << W]);
+ I I;
+ Pr(W * W + Xe, N);
+ Fr(BrB(B, I)) {
+  P(O[Na]);
+  Pb(BrB(B, I));
+ }
+ P(Xe[W << W]);
 }
 
 B Dy (B, I) ;
@@ -138,107 +105,109 @@ I S (C, B) ;
 Br Sr (Br) ;
 
 B Dy (B Br, I N) {
-	B B;
-	C C, Cr;
-	II;
+ B B;
+ C C, Cr;
+ II;
 
-	B = NB(W * Bi(Br));
-	FO(In = I = Zr; (O, C = Be); I++) {
-		FO(Cr = O; (W, C == BC(Br, I + Cr)); Cr++) ;
-		I += Cr - O;
-		Ca(++, Cr + Si(H)**H - Si(U)**U);
-		Ca(++, C);
-	}
-	Ir(N)
-		FB(Br);
-	Ca(-N, W[H]);
-	Re B;
+ B = NB(W * Bi(Br));
+ FO(In = I = Zr; (O, C = Be); I++) {
+  FO(Cr = O; (W, C == BC(Br, I + Cr)); Cr++) ;
+  I += Cr - O;
+  Ca(++, Cr + Si(H)**H - Si(U)**U);
+  Ca(++, C);
+ }
+ Ir(N)
+  FB(Br);
+ Ca(-N, W[H]);
+ Re B;
 }
 I S (C C, B Br) {
-	B B, BF;
-	II;
+ B B, BF;
+ II;
 
-	Ir(C == BC(Br, Zr))
-		Re Zr;
+ Ir(C == BC(Br, Zr))
+  Re Zr;
 
-	Fr(Be) {
-		B = Cl(BF = Sb(Br, I); )
+ Fr(Be) {
+  B = Cl(BF = Sb(Br, I); )
 
-		Fe(BC(B, Zr)) {
-			B = Dy(B, W);
-			Ir(C == BC(B, Zr)) {
-				FF
-				Re Zr;
-			}
+  Fe(BC(B, Zr)) {
+   B = Dy(B, W);
+   Ir(C == BC(B, Zr)) {
+    FF
+    Re Zr;
+   }
 
-			Ir(In % W)
-				BF = Dy(BF, W);
+   Ir(In % W)
+    BF = Dy(BF, W);
 
-			Ir(Zr == Co(B, BF, Bi(BF))) {
-				FF
-				Re O;
-			}
-		}
+   Ir(Zr == Co(B, BF, Bi(BF))) {
+    FF
+    Re O;
+   }
+  }
 
-		FF
-	}
-	B = Dy(Br, Zr);
-	I = S(C, B);
-	FB(B);
-	Re I;
+  FF
+ }
+ B = Dy(Br, Zr);
+ I = S(C, B);
+ FB(B);
+ Re I;
 }
 Br Sr (Br BrF) {
-	Br Br;
-	B B, BF;
-	II, N;
+ Br Br;
+ B B, BF;
+ II, N;
 
-	FrB
-		N += Bi(B);
-	Br = NBr(N);
-	FrB {
-		Rb(N++, B);
-		Fe(BC(B, In + O))
-			S(BC(B, In), BF = Sb(B, -In - O)) ?
-				Ca(+O, O[U]),
-				Rb(N++, B = BF),
-				In = Zr :
-				(FB(BF), W);
-	}
-	FBr(BrF);
-	Rb(N, (V *) Zr);
-	Re Br;
+ FrB
+  N += Bi(B);
+ Br = NBr(N);
+ FrB {
+  Rb(N++, B);
+  Fe(BC(B, In + O))
+   S(BC(B, In), BF = Sb(B, -In - O)) ?
+    Ca(+O, O[U]),
+    Rb(N++, B = BF),
+    In = Zr :
+    (FB(BF), W);
+ }
+ FBr(BrF);
+ Rb(N, (V *) Zr);
+ Re Br;
 }
 
 I In (I, C **) ;
 
 I In (I N, C ** C) {
-	Br Br;
-	B B;
-	II;
+ Br Br;
+ B B;
+ II;
 
-	Br = NBr(--N);
-	Fr(I < N) {
-		FI ;
-		Rb(I, B = NB(In));
-		FI
-			Ca(-Zr, IO);
-	}
+ Br = NBr(--N);
+ Fr(I < N) {
+  FI ;
+  Rb(I, B = NB(In));
+  FI
+   Ca(-Zr, IO);
+ }
 
-	Fr(BrB(Br, Zr)) {
-		Br = Sr(Br);
-		PBr(Br, I);
+ Fr(BrB(Br, Zr)) {
+  Br = Sr(Br);
+  PBr(Br, I);
+
+  Fe((W, B = BrB(Br, In))) {
+   Rb(In, Dy(B, Zr));
+   FB(B);
+  }
+ }
 
-		Fe((W, B = BrB(Br, In))) {
-			Rb(In, Dy(B, Zr));
-			FB(B);
-		}
-	}
-	
  {   }  {    }  {   } { } { }  {  }  {  }   { } {     } {   } {    }
 {     } { { } } { }   { } { } { }   { }    {   }  { }   { }   { { } }
 { { } } {    }  {   } { } { }  { }  { }   { { } } { }   {   } { {  } }  C;
 {     } { { } } { }   { } { }   { } { }   {     } { }   { }   { { } }
  {   }  {    }  { }    {   }  {  }   {  } { } { } { }   {   } {    }
 
-	Re Zr;
+
+
+ Re Zr;
 }
diff --git a/2005/jetro/Makefile b/2005/jetro/Makefile
index fad0824df..006131719 100644
--- a/2005/jetro/Makefile
+++ b/2005/jetro/Makefile
@@ -73,7 +73,7 @@ CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
 
 # Libraries needed to build
 #
-LIBS= `${SDL2_CONFIG} --libs`
+LIBS= `${SDL2_CONFIG} --libs` -lm
 
 # C compiler to use
 #
diff --git a/2012/blakely/Makefile b/2012/blakely/Makefile
index 4a6a17ac5..86179fc10 100644
--- a/2012/blakely/Makefile
+++ b/2012/blakely/Makefile
@@ -73,7 +73,7 @@ CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
 
 # Libraries needed to build
 #
-LIBS=
+LIBS= -lm
 
 # C compiler to use
 #
diff --git a/2012/endoh1/Makefile b/2012/endoh1/Makefile
index 8d3802f1f..5ab733a1f 100644
--- a/2012/endoh1/Makefile
+++ b/2012/endoh1/Makefile
@@ -73,7 +73,7 @@ CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
 
 # Libraries needed to build
 #
-LIBS=
+LIBS= -lm
 
 # C compiler to use
 #
diff --git a/2012/grothe/.gitignore b/2012/grothe/.gitignore
index 0fc8c9617..55e10c3b7 100644
--- a/2012/grothe/.gitignore
+++ b/2012/grothe/.gitignore
@@ -1,8 +1,3 @@
 grothe
 grothe.c.1
 grothe.c.2
-cookie_recipe_restore.txt
-cookie_piece1.dat
-cookie_piece2.dat
-cookie_piece3.dat
-cookie_piece4.dat
diff --git a/2012/grothe/cookie_piece1.dat b/2012/grothe/cookie_piece1.dat
new file mode 100644
index 000000000..d7a702f6c
Binary files /dev/null and b/2012/grothe/cookie_piece1.dat differ
diff --git a/2012/grothe/cookie_piece2.dat b/2012/grothe/cookie_piece2.dat
new file mode 100644
index 000000000..7c4ac5ae7
Binary files /dev/null and b/2012/grothe/cookie_piece2.dat differ
diff --git a/2012/grothe/cookie_piece3.dat b/2012/grothe/cookie_piece3.dat
new file mode 100644
index 000000000..097caa32d
Binary files /dev/null and b/2012/grothe/cookie_piece3.dat differ
diff --git a/2012/grothe/cookie_piece4.dat b/2012/grothe/cookie_piece4.dat
new file mode 100644
index 000000000..6445cfad2
Binary files /dev/null and b/2012/grothe/cookie_piece4.dat differ
diff --git a/2012/grothe/cookie_recipe_restore.txt b/2012/grothe/cookie_recipe_restore.txt
new file mode 100644
index 000000000..6445cfad2
Binary files /dev/null and b/2012/grothe/cookie_recipe_restore.txt differ
diff --git a/2013/morgan1/Makefile b/2013/morgan1/Makefile
index 3cd386f13..07364fe30 100644
--- a/2013/morgan1/Makefile
+++ b/2013/morgan1/Makefile
@@ -73,7 +73,7 @@ CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
 
 # Libraries needed to build
 #
-LIBS= -L ${X11_LIBDIR} -lX11
+LIBS= -L ${X11_LIBDIR} -lX11 -lm
 
 # C compiler to use
 #
diff --git a/2015/endoh3/Makefile b/2015/endoh3/Makefile
index cfdec289a..2f478f2f6 100644
--- a/2015/endoh3/Makefile
+++ b/2015/endoh3/Makefile
@@ -57,7 +57,7 @@ ARCH=
 
 # Defines that are needed to compile
 #
-CDEFINE=
+CDEFINE= -fcommon
 
 # Include files that are needed to compile
 #
diff --git a/2015/hou/Makefile b/2015/hou/Makefile
index c0b18a6ad..86e7afbab 100644
--- a/2015/hou/Makefile
+++ b/2015/hou/Makefile
@@ -73,7 +73,7 @@ CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
 
 # Libraries needed to build
 #
-LIBS=
+LIBS= -lm
 
 # C compiler to use
 #
diff --git a/2015/yang/Makefile b/2015/yang/Makefile
index 4f5d37bbe..e35e6b12e 100644
--- a/2015/yang/Makefile
+++ b/2015/yang/Makefile
@@ -74,7 +74,7 @@ CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
 
 # Libraries needed to build
 #
-LIBS=
+LIBS= -lm
 
 # C compiler to use
 #
diff --git a/2018/bellard/Makefile b/2018/bellard/Makefile
index 130523bc5..3883c6d99 100644
--- a/2018/bellard/Makefile
+++ b/2018/bellard/Makefile
@@ -75,7 +75,7 @@ CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
 
 # Libraries needed to build
 #
-LIBS= -lcurses
+LIBS= -lcurses -lm
 
 # C compiler to use
 #
diff --git a/2018/hou/Makefile b/2018/hou/Makefile
index a0909d687..3e66d61fc 100644
--- a/2018/hou/Makefile
+++ b/2018/hou/Makefile
@@ -73,7 +73,7 @@ CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
 
 # Libraries needed to build
 #
-LIBS=
+LIBS= -lm
 
 # C compiler to use
 #
diff --git a/2019/dogon/Makefile b/2019/dogon/Makefile
index e021c530d..2ec91e0a7 100644
--- a/2019/dogon/Makefile
+++ b/2019/dogon/Makefile
@@ -76,7 +76,7 @@ CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
 
 # Libraries needed to build
 #
-LIBS= -L ${X11_LIBDIR} -lX11
+LIBS= -L ${X11_LIBDIR} -lX11 -lm
 
 # C compiler to use
 #
diff --git a/thanks-for-fixes.md b/thanks-for-fixes.md
index a12d4c878..f14ea7cf5 100644
--- a/thanks-for-fixes.md
+++ b/thanks-for-fixes.md
@@ -426,6 +426,11 @@ Yusuke pointed out that `atof` nowadays needs `#include <stdlib.h>` which was
 used in order to get this to work initially (prior to this output was there but
 incomplete).
 
+## [1990/stig](1990/stig/stig.c) ([README.md](1990/stig/README.md))
+
+Cody fixed the paths in the Makefile so that this would build in linux (it
+worked fine in macOS).
+
 
 ## [1990/westley](1990/westley/westley.c) ([README.md](1990/westley/README.md]))
 
@@ -1001,6 +1006,32 @@ provided, found under the [img/](2004/gavin/img/) directory. Note that the
 done this way to prevent extraction from the entry directory overwriting the
 files and causing `make clobber` to wipe some of them out.
 
+## [2004/jdalbec](2004/jdalbec/jdalbec.c) ([README.md](2004/jdalbec/README.md))
+
+Cody fixed this to compile with gcc (it worked with clang). The problem was the
+cpp being unable to parse the generated code (see the README.md for details) and
+this ended up with a number of errors like:
+
+
+```c
+jdalbec.c:64:5: error: stray '##' in program
+   64 | B N##B (I) ; \
+      |     ^~
+
+
+..
+
+jdalbec.c:65:5: error: stray '##' in program
+   65 | V F##B (B) ; \
+      |     ^~
+jdalbec.c:65:5: error: expected ';' before 'B'
+   65 | V F##B (B) ; \
+      |     ^ ~
+      |     ;
+```
+
+and various other problems.
+
 
 ## [2004/kopczynski](2004/kopczynski/kopczynski.c) ([README.md](2004/kopczynski/README.md]))
 
@@ -1129,12 +1160,17 @@ for the self-test feature.
 
 For much more details on the problem see [bugs.md](/bugs.md).
 
+## [2005/jetro](2005/jetro/jetro.c) ([README.md](2005/jetro/README.md))
+
+Cody added explicit linking of libm (`-lm`) for systems like linux that seem to
+not do it implicitly (like macOS does).
+
 
 ## [2005/mynx](2005/mynx/mynx.c) ([README.md](2005/mynx/README.md]))
 
-Cody fixed this so that the
-[configure](source/configure) script (which is not needed but part of the entry)
-would work with compilers that have by default `-Werror` like clang in macOS.
+Cody fixed this so that the [configure](source/configure) script (which is not
+needed but part of the entry) would work with compilers that have by default
+`-Werror` like clang in macOS.
 
 Cody also added the alt code which does scan for https. Futile, maybe, based on
 how https is set up, in which case just enjoy it for what it was. But there
@@ -1225,6 +1261,16 @@ Cody, though he feels slightly sick :-), added a version for Windows based on
 the author's comments (along with looking up the function for the right header
 file). To build try the alt rule of the Makefile.
 
+## [2012/blakely](2012/blakely/blakely.c) ([README.md](2012/blakely/README.md))
+
+Cody added explicit linking of libm (`-lm`) as not all systems do this
+implicitly (linux doesn't seem to but macOS does).
+
+## [2012/endoh1](2012/endoh1/endoh1.c) ([README.md](2012/endoh1/README.md))
+
+Cody added explicit linking of libm (`-lm`) as not all systems do this
+implicitly (linux doesn't seem to but macOS does).
+
 
 ## [2012/kang](2012/kang/kang.c) ([README.md](2012/kang/README.md]))
 
@@ -1263,6 +1309,11 @@ removed from SDL2 so the Makefile has to use `sdl-config` and not `sdl2-config`.
 This means that to be strictly technical, the removal of `localtime()` is not
 necessary but this change was left in place anyway.
 
+## [2013/morgan1](2013/morgan1/morgan1.c) ([README.md](2013/morgan1/README.md))
+
+Cody added explicit linking of libm (`-lm`) as not all systems do this
+implicitly (linux doesn't seem to but macOS does).
+
 
 ## [2014/maffiodo1](2014/maffiodo1/maffiodo1.c) ([README.md](2014/maffiodo1/README.md]))
 
@@ -1272,6 +1323,10 @@ were linking errors.
 
 ## [2015/endoh3](2015/endoh3/prog.c) ([README.md](2015/endoh3/README.md]))
 
+Cody fixed this to compile with linux which was having a problem with duplicate
+symbols of `main()`. The fix is through the option `-fcommon` which will let it
+compile like it does with macOS.
+
 The author, Yusuke, supplied the additional source files, which Cody added to
 the repo for us. Yusuke wrote in his [analysis of the
 entry](https://mame-github-io.translate.goog/ioccc-ja-spoilers/2015/endoh3.html?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-US&_x_tr_pto=wapp)
@@ -1279,12 +1334,30 @@ that there are others as well but we don't seem to have them and he didn't
 provide them on his page. We've not yet contacted him for a copy but we will in
 time.
 
+## [2015/hou](2015/hou/prog.c) ([README.md](2015/hou/README.md))
+
+Cody added explicit linking of libm (`-lm`) for systems that do not do this
+(linux doesn't seem to but macOS does).
+
 
 ## [2015/yang](2015/yang/prog.c) ([README.md](2015/yang/README.md]))
 
 Cody fixed an unfortunate typo in the Makefile that was preventing some of the
 files from compiling properly, trying instead to compile already compiled code.
 
+He also added explicit linking of libm (`-lm`) for systems that do not do this
+(linux seems to not but macOS does).
+
+## [2018/bellard](2018/bellard/prog.c) ([README.md](2018/bellard/README.md))
+
+Cody added explicit linking of libm (`-lm`) for systems that do not do this
+(linux doesn't seem to but macOS does).
+
+## [2018/hou](2018/hou/prog.c) ([README.md](2018/hou/README.md))
+
+Cody added explicit linking of libm (`-lm`) for systems that do not do this
+(linux doesn't seem to but macOS does).
+
 
 
 ## [2019/ciura](2019/ciura/prog.c) ([README.md](2019/ciura/README.md]))
@@ -1310,6 +1383,11 @@ Cody made the author's statement that the entry compiles cleanly true by fixing
 versions of C` (in main()). Not strictly necessary but if he's making fixes he
 might as well.
 
+## [2019/dogon](2019/dogon/prog.c) ([README.md](2019/dogon/README.md))
+
+Cody added explicit linking of libm (`-lm`) for systems that do not do this
+(linux does not seem to but macOS does).
+
 
 ## [2019/karns](2019/karns/prog.c) ([README.md](2019/karns/README.md]))