*** ./try.c.ORIG	Mon May  2 21:19:20 2016
--- ./try.c	Mon May  2 21:19:33 2016
***************
*** 32,37 ****
--- 32,41 ----
      try_t_ *try_stack_ = NULL;
  #endif /* PTHREAD_ONCE_INIT */
  
+ #ifndef va_copy
+ # define va_copy(__list1,__list2) ((void)(__list1 = __list2))
+ #endif
+ 
  /* Throw an exception.  This must always have at least two arguments, where the
     second argument can be a NULL.  The throw() macro is permitted to have one
     argument, since it appends a NULL argument in the call to this function. */
  
*** ./Makefile.ORIG	Mon May 30 07:09:41 2016
--- ./Makefile	Thu Oct 27 22:36:37 2016
***************
*** 1,6 ****
! CC=cc
! CFLAGS=-O3 -Wall -Wextra
! LDFLAGS=
  LIBS=-lm -lpthread -lz
  ZOPFLI=zopfli/src/zopfli/
  # use gcc and gmake on Solaris
--- 1,6 ----
! CC=xlc_r
! CFLAGS=-O3 -qstrict
! LDFLAGS=-L/opt/freeware/lib -lz
  LIBS=-lm -lpthread -lz
  ZOPFLI=zopfli/src/zopfli/
  # use gcc and gmake on Solaris
*** ./pigz.c.ORIG	Thu Jun 18 14:33:21 2020
--- ./pigz.c	Thu Jun 18 14:35:56 2020
***************
*** 928,933 ****
--- 928,941 ----
      return got;
  }
  
+ #ifndef SIZE_MAX
+ #if (__64BIT__)
+ #define SIZE_MAX        UINT64_MAX
+ #else
+ #define SIZE_MAX        UINT32_MAX
+ #endif
+ #endif
+ 
  // Write len bytes, repeating write() calls as needed. Return len.
  local size_t writen(int desc, void const *buf, size_t len) {
      char const *next = buf;