Build of p2c with musl toolchain

# [tuscan]
# Server = file:///var/cache/pacman/pkg/

# :: Synchronizing package databases...
# downloading tuscan.db...

# /sysroot/lib
# /sysroot/share
# /sysroot/bin
# /sysroot/include
# /sysroot/libexec

# ==> Making package: p2c 1.21alpha2-11 (Tue Apr 4 23:52:17 UTC 2017)
# ==> Checking runtime dependencies...
# ==> Checking buildtime dependencies...
# ==> WARNING: Using existing $srcdir/ tree
# ==> Starting build()...
# cc makeproto.c -o makeproto
# cc -c -DHASDUMPS -DP2C_HOME=\"/usr/lib/p2c\" trans.c
# cc -c -o stuff.o stuff.c
# cc -c -o out.o out.c
# In file included from stuff.c:21:
# ./trans.h:1776:42:In file included from errorout.c: :redefinition of 'logf' as different kind of symbol31
# :
# ./trans.h:1776:42: error: redefinition of 'logf' as different kind of symbol
# extern FILE *inf, *outf, *codef, *hdrf, *logf;extern FILE *inf, *outf, *codef, *hdrf, *logf;
#
# ^ ^
#
# ./trans.h./trans.h::17761776::4242:: notenote: previous definition is here:
# previous definition is here
# In file included from trans.c:23:
# ./trans.h:1776:42: error: redefinition of 'logf' as different kind of symbol
# extern FILE *inf, *outf, *codef, *hdrf, *logf;
# ^
# ./trans.h:1776:42: note: previous definition is here
# makeproto.c:137:5: warning: implicitly declaring library function 'exit' with type 'void (int) __attribute__((noreturn))' [-Wimplicit-function-declaration]
# exit(1);
# ^
# makeproto.c:137:5: note: include the header or explicitly provide a declaration for 'exit'
# makeproto.c:171:23: warning: implicit declaration of function 'atoi' is invalid in C99 [-Wimplicit-function-declaration]
# typetab = atoi(argv[1] + 2);
# ^
# trans.c:158:32: warning: 'break' is bound to current loop, GCC binds it to the enclosing loop [-Wgcc-compat]
# while (--i >= 0 && strcmp(rctable[i].name, cp)) ;
# ^
# ./trans.h:92:34: note: expanded from macro 'strcmp'
# { _diff = _aa[-1] - _bb[-1]; break; } \
# ^
# out.c:117:2: warning: add explicit braces to avoid dangling else [-Wdangling-else]
# else
# ^
# trans.c:591:10: error: non-object type 'float (float)' is not assignable
# logf = fopen(name, "w");
# ~~~~ ^
# trans.c:592:9: warning: address of function 'logf' will always evaluate to 'true' [-Wpointer-bool-conversion]
# if (logf) {
# ~~ ^~~~
# trans.c:592:9: note: prefix with the address-of operator to silence this warning
# if (logf) {
# ^
# &
# trans.c:593:10: warning: incompatible pointer types passing 'float (float)' to parameter of type 'FILE *' (aka 'struct _IO_FILE *') [-Wincompatible-pointer-types]
# fprintf(logf, "\nTranslation of %s to %s by p2c %s\n",
# ^~~~
# /sysroot/include/stdio.h:103:29: note: passing argument to parameter here
# int fprintf(FILE *__restrict, const char *__restrict, ...);
# ^
# trans.c:595:10: warning: incompatible pointer types passing 'float (float)' to parameter of type 'FILE *' (aka 'struct _IO_FILE *') [-Wincompatible-pointer-types]
# fprintf(logf, "Translated");
# ^~~~
# /sysroot/include/stdio.h:103:29: note: passing argument to parameter here
# int fprintf(FILE *__restrict, const char *__restrict, ...);
# ^
# trans.c:598:14: warning: incompatible pointer types passing 'float (float)' to parameter of type 'FILE *' (aka 'struct _IO_FILE *') [-Wincompatible-pointer-types]
# fprintf(logf, " by %s", uname);
# ^~~~
# /sysroot/include/stdio.h:103:29: note: passing argument to parameter here
# int fprintf(FILE *__restrict, const char *__restrict, ...);
# ^
# trans.c:600:10: warning: incompatible pointer types passing 'float (float)' to parameter of type 'FILE *' (aka 'struct _IO_FILE *') [-Wincompatible-pointer-types]
# fprintf(logf, " on %s", ctime(&starting_time));1
# error ^~~~ generated.
#
# /sysroot/include/stdio.h:103:29: note: passing argument to parameter here
# int fprintf(FILE *__restrict, const char *__restrict, ...);
# ^
# trans.c:601:10: warning: incompatible pointer types passing 'float (float)' to parameter of type 'FILE *' (aka 'struct _IO_FILE *') [-Wincompatible-pointer-types]
# fprintf(logf, "\n\n");
# ^~~~
# /sysroot/include/stdio.h:103:29: note: passing argument to parameter here
# int fprintf(FILE *__restrict, const char *__restrict, ...);
# ^
# trans.c:613:9: warning: address of function 'logf' will always evaluate to 'true' [-Wpointer-bool-conversion]
# if (logf) {
# ~~ ^~~~
# trans.c:613:9: note: prefix with the address-of operator to silence this warning
# if (logf) {
# ^
# &
# trans.c:614:10: warning: incompatible pointer types passing 'float (float)' to parameter of type 'FILE *' (aka 'struct _IO_FILE *') [-Wincompatible-pointer-types]
# fprintf(logf, "\n\n");
# ^~~~
# /sysroot/include/stdio.h:103:29: note: passing argument to parameter here
# int fprintf(FILE *__restrict, const char *__restrict, ...);
# ^
# trans.c:616:57: warning: implicit declaration of function 'sbrk' is invalid in C99 [-Wimplicit-function-declaration]
# fprintf(logf, "Total memory used: %ld bytes.\n", (long)sbrk(0));
# ^
# trans.c:616:10: warning: incompatible pointer types passing 'float (float)' to parameter of type 'FILE *' (aka 'struct _IO_FILE *') [-Wincompatible-pointer-types]
# fprintf(logf, "Total memory used: %ld bytes.\n", (long)sbrk(0));
# ^~~~
# /sysroot/include/stdio.h:103:29: note: passing argument to parameter here
# int fprintf(FILE *__restrict, const char *__restrict, ...);
# ^
# trans.c:619:10: warning: incompatible pointer types passing 'float (float)' to parameter of type 'FILE *' (aka 'struct _IO_FILE *') [-Wincompatible-pointer-types]
# fprintf(logf, "Processed %d source lines in %ld:%ld seconds.\n",
# ^~~~
# /sysroot/include/stdio.h:103:29: note: passing argument to parameter here
# int fprintf(FILE *__restrict, const char *__restrict, ...);
# ^
# trans.c:623:10: warning: incompatible pointer types passing 'float (float)' to parameter of type 'FILE *' (aka 'struct _IO_FILE *') [-Wincompatible-pointer-types]
# fprintf(logf, "\n\nTranslation completed on %s", ctime(&ending_time));
# ^~~~
# /sysroot/include/stdio.h:103:29: note: passing argument to parameter here
# int fprintf(FILE *__restrict, const char *__restrict, ...);
# ^
# trans.c:624:9: warning: incompatible pointer types passing 'float (float)' to parameter of type 'FILE *' (aka 'struct _IO_FILE *') [-Wincompatible-pointer-types]
# fclose(logf);
# ^~~~
# /sysroot/include/stdio.h:65:18: note: passing argument to parameter here
# int fclose(FILE *);
# ^
# trans.c:782:10: warning: implicit truncation from 'int' to bitfield changes value from 65535 to -1 [-Wbitfield-constant-conversion]
# bft.f1 = 0xffff;
# ^ ~~~~~~
# make: *** [: stuff.o] Error 1
# make: *** Waiting for unfinished jobs....
# trans.c:952:10: error: non-object type 'float (float)' is not assignable
# logf = NULL;
# ~~~~ ^
# out.c:1197:15: warning: incompatible pointer types passing 'float (float)' to parameter of type 'FILE *' (aka 'struct _IO_FILE *') [-Wincompatible-pointer-types]
# fprintf(logf, "%s, %d/%d: Line breaker spent %ld tries\n",
# ^~~~
# /sysroot/include/stdio.h:103:29: note: passing argument to parameter here
# int fprintf(FILE *__restrict, const char *__restrict, ...);
# ^
# 15 warnings and 3 errors generated.
# 2 warnings and 1 error generated.
# make: *** [Makefile:89: trans.o] Error 1
# make: *** [: out.o] Error 1
# 2 warnings generated.
# ==> ERROR: A failure occurred in build().
# Aborting...