Allow the value of CC to be overridden.

PR:		15397
Submitted by:	James Andariese <james@ja.ath.cx>

15 files changed, 642 insertions, 1 deletions

diff --git a/lang/elk/Makefile b/lang/elk/Makefile
index edf8815b0af4..3e82102c2e9c 100644
--- a/lang/elk/Makefile
+++ b/lang/elk/Makefile
@@ -14,7 +14,6 @@ MASTER_SITES=	http://www-rn.informatik.uni-bremen.de/software/elk/dist/
 MAINTAINER=	ports@FreeBSD.org
 
 USE_XLIB=	yes
-PATCH_STRIP=	-p1
 ALL_TARGET=	default
 MAN1=		elk.1
 
diff --git a/lang/elk/files/patch-aa b/lang/elk/files/patch-aa
new file mode 100644
index 000000000000..cf49aded9b19
--- /dev/null
+++ b/lang/elk/files/patch-aa
@@ -0,0 +1,15 @@
+--- Makefile.orig	Mon Jul 31 07:56:26 1995
++++ Makefile	Sun Dec 12 16:29:07 1999
+@@ -16,9 +16,9 @@
+ 	 lib/unix\
+ 	 lib/xlib\
+ 	 lib/xt\
+-	 lib/xaw\
+-	 lib/xm\
+-	 lib/xm/xt
++	 lib/xaw
++#	 lib/xm\
++#	 lib/xm/xt
+ 
+ # ----------------------------------------------------------------------
+ 
diff --git a/lang/elk/files/patch-ab b/lang/elk/files/patch-ab
new file mode 100644
index 000000000000..1533c3cd695a
--- /dev/null
+++ b/lang/elk/files/patch-ab
@@ -0,0 +1,32 @@
+--- doc/man/elk.1.orig	Fri Aug 11 09:27:03 1995
++++ doc/man/elk.1	Sun Dec 12 16:29:07 1999
+@@ -2,9 +2,9 @@
+ .TH ELK 1 "15 January 1991"
+ .UC 4
+ .SH NAME
+-elk, scheme \- extensible Scheme interpreter
++elk \- extensible Scheme interpreter
+ .SH SYNOPSIS
+-.B scheme
++.B elk
+ [
+ .B \-l \f2file\fP
+ ] [
+@@ -20,8 +20,6 @@
+ ] [[
+ .B \-\^\-
+ ] \f2args\fP]
+-.LP
+-.BR elk .\|.\|.
+ .SH DESCRIPTION
+ .I Elk
+ (Extension Language Kit) is a Scheme implementation designed
+@@ -32,7 +30,7 @@
+ is linked with the application it serves, but a stand-alone version
+ of the Scheme interpreter is installed as well (usually under
+ the name
+-.BR scheme ).
++.BR elk ).
+ This interpreter, together with the standard Scheme toplevel,
+ .I Elk
+ can be used as an ordinary, stand-alone implementation of the
diff --git a/lang/elk/files/patch-ac b/lang/elk/files/patch-ac
new file mode 100644
index 000000000000..e97faba34d52
--- /dev/null
+++ b/lang/elk/files/patch-ac
@@ -0,0 +1,83 @@
+--- config/sites/386pc-freebsd2.1.orig	Sun Dec 12 16:29:07 1999
++++ config/sites/386pc-freebsd2.1	Sun Dec 12 16:29:07 1999
+@@ -0,0 +1,80 @@
++# This is a shell script.  It is sourced by the build scripts in the
++# various subdirectories to gather site- and installation-specific
++# information required for building the Makefiles.
++#
++# This script is read after the "system" file, therefore you can place
++# variable settings here to override those from "system".
++#
++# Some variables in this script are interpreted as boolean variables and
++# indicate presence or absence of one specific feature.  The value "yes"
++# is regarded as "true", all other values (including no value or even
++# non-existence of the variable) are interpreted as "false".
++#
++# Do not forget to quote values that contain shell meta syntax.
++#
++# -----------------------------------------------------------------------
++
++
++# The directory where all files are installed by running "make install".
++# The subdirectories bin, lib, include, and runtime (with various
++# subdirectories) are created automatically, but $install_dir isn't.
++# Make sure $install_dir doesn't point to the top of the source tree
++# (i.e. choose a subdirectory or a directory outside the source tree).
++
++install_dir=${PREFIX}/share/elk
++
++
++# Libraries against which to link the X11 extension (typically -lX11).
++#
++# Any of the following library lists may be prefixed by something like
++# -L/usr/X11/lib if the X-libraries do not reside in a standard directory;
++# an additional -R/usr/X11/lib and -lsocket may be required in case of
++# SunOS 5.x/SysVR4).
++
++libxlib="-L${X11BASE}/lib -lX11"
++
++# Libraries against which to link the Xt extension (typically
++# -lXaw -lXmu -lXt -lSM -lICE -lXext -lX11).  -lXaw is needed to get the correct
++# definition of the vendor shell widget class
++
++libxt="-L${X11BASE}/lib -lX11 -lXext -lICE -lSM -lXt -lXmu -lXaw"
++
++
++# Libraries against which to link the Athena widgets extension (typically
++# identical to libxt above)
++
++libxaw="-L${X11BASE}/lib -lX11 -lXext -lICE -lSM -lXt -lXmu -lXaw"
++
++
++# Libraries against which to link the Motif extension (typically like
++# libaw above with Xaw replaced by Xm)
++
++libxmotif="-L${X11BASE}/lib -lX11 -lXext -lICE -lSM -lXt -lXmu -lXm"
++
++
++# Additional flags (typically -Isomething) to be supplied to the C
++# compiler when compiling an X11 application, or a Motif application,
++# respectively.
++
++x11_incl=-I${X11BASE}/include
++motif_incl=-I${X11BASE}/include
++
++
++# Set "gdbm" to "yes" if you have the GNU gdbm library installed and
++# want the gdbm extension to be compiled.  "gdbm_inc" gives additional
++# C compiler flags required to compile a program using gdbm.
++
++gdbm=
++gdbm_incl=-I${PREFIX}/include/gdbm
++
++
++# Do you want to use the generational garbage collector?  If not, the
++# stop-and-copy garbage collector will be used.
++
++generational_gc=yes
++
++
++# The default heap size of the Scheme interpreter in KBytes (if the
++# stop-and-copy garbage collector is used).
++
++default_heap_size=1024
diff --git a/lang/elk/files/patch-ad b/lang/elk/files/patch-ad
new file mode 100644
index 000000000000..5ccc492282f8
--- /dev/null
+++ b/lang/elk/files/patch-ad
@@ -0,0 +1,373 @@
+--- config/untested/386pc-freebsd2.1-cc.orig	Sun Dec 12 16:29:07 1999
++++ config/untested/386pc-freebsd2.1-cc	Sun Dec 12 16:29:07 1999
+@@ -0,0 +1,370 @@
++# This is a shell script.  It is sourced by the build scripts in the
++# various subdirectories to gather system-, compiler-, and OS-specific
++# information required for building the Makefiles.
++#
++# Most variables in this script are interpreted as boolean variables and
++# indicate presence or absence of one specific feature.  The value "yes"
++# is regarded as "true", all other values (including no value or even
++# non-existence of the variable) are interpreted as "false".
++#
++# Do not forget to quote values that contain shell meta syntax.
++#
++# -----------------------------------------------------------------------
++
++
++# $system should contain the name of this file.  It may be used by some
++# of the build scripts to do things that are specific to one single
++# type of system.
++
++system=386pc-freebsd2.1-cc
++
++
++# Does the system support the vprintf library function?  If not,
++# availability of the (non-portable) _doprnt function is assumed.
++
++vprintf=yes
++
++
++# Does the directory(3) library follow the POSIX conventions (i.e.
++# requires the <dirent.h> include file and uses "struct dirent")?
++# If not, the (obsolete) BSD-style interface with <sys/dir.h> and
++# "struct direct" is assumed.
++
++dirent=yes
++
++
++# Does the system have the random/srandom library functions?  If not,
++# rand/srand will be used instead.
++
++random=yes
++
++
++# Does the system have the index library function?  If not, strchr
++# will be used.
++
++index=yes
++
++
++# Does the system have the bcopy, bzero, and bcmp library functions?
++# If not, memcpy/memset/memcmp will be used.
++
++bstring=yes
++
++
++# Does using the access system call require <unistd.h> to be included?
++# (Look into the manual page for access if in doubt.)
++
++include_unistd_h=yes
++
++
++# If the FIONREAD ioctl command is defined, which file must be included?
++
++fionread_include='<sys/ioctl.h>'
++
++
++# What is the name of the a.out include file?
++
++aout_h='<a.out.h>'
++
++
++# The following variables control how certain system limits are obtained
++# during runtime.
++#
++# If getdtablesize() is available to determine the maximum number of open
++# files per process, set getdtablesize=yes.
++# Alternatively, if POSIX-style sysconf() can be called with _SC_OPEN_MAX,
++# set sysconf_open_max=yes.
++# If neither is set to "yes", an educated guess will be made.
++
++getdtablesize=yes
++sysconf_open_max=yes
++
++# If POSIX-style pathconf() can be invoked with _PC_PATH_MAX to determine
++# the maximum pathname length, set pathconf_path_max=yes.
++
++pathconf_path_max=yes
++
++# If the system page size can be determined by calling getpagesize()
++# set getpagesize=yes.
++# Alternatively, if sysconf() can be invoked with _SC_PAGESIZE, set
++# sysconf_pagesize=yes.
++# These two variables are only required if the generational garbage
++# collector is used.
++
++getpagesize=yes
++sysconf_pagesize=no
++
++
++# Set reliable_signals=bsd if your system supports BSD-style reliable
++# signals (has sigblock and related functions); set reliable_signals=posix
++# for POSIX-style signals (sigprocmask, sigsets); otherwise old V7/SysV
++# signal semantics are assumed.
++
++reliable_signals=bsd
++
++
++# To support dynamic loading of object files and "dump", the system's
++# a.out format has to be known.  Choose one of the following:
++#
++#     coff  ecoff  xcoff  elf  macho  hp9k  convex
++#
++# Other values of "aout_format" are interpreted as BSD-style a.out format.
++
++aout_format=
++
++
++# Which mechanism should be used to dynamically load object files?
++# Possible values currently are:
++#
++#    ld        BSD-style incremental loading based on ld -A
++#    rld       NeXT-style rld_load()
++#    shl       HP-UX shl_load()
++#    dl        SysVR4/SunOS5 dlopen()
++#
++# Leave load_obj empty if dynamic loading is not supported.
++
++load_obj=dl
++
++
++    # The following variables are only relevant if load_obj is set.
++
++    # Linker options to produce a shared object from a .o file.
++    # Only used if load_obj=dl.
++
++    ldflags_shared='-Bshareable'
++
++    # The libraries against which dynamically loaded files are resolved
++    # at the time they are loaded.
++
++    load_libraries=
++
++    # Does the ld-option -x really do what the manual says it does (i.e.
++    # omit local symbols), or does it somehow render the resulting object
++    # file unsuitable for dynamic loading?  If in doubt, leave it out
++    # (which may result in somewhat larger object files).
++
++    incremental_ldflags=-x
++
++    # Systems with "aout_format=ecoff" may require a call to the cacheflush
++    # system call after an object file has been loaded.  Which include file
++    # has to be included in this case?
++
++    cachectl_h=unused
++
++    # Is the ANSI-C atexit function supported to register an exit handler?
++    # If not, the exit library function will be redefined and will end in
++    # a call to _exit.
++
++    atexit=yes
++
++
++# Do the names of external functions in the symbol table always begin
++# with a special character (such as underline)?  If so, syms_begin_with
++# should hold this character, otherwise leave it empty.
++
++syms_begin_with=_
++
++
++# The symbol prefixes of extension initialization and finalization
++# functions (without the initial $syms_begin_with).  Do not change
++# these unless the compiler or linker restricts the length of symbols!
++
++init_prefix=elk_init_
++finit_prefix=elk_finit_
++
++
++# Is the "dump" function supported?
++
++can_dump=no
++
++
++# The following variables are only relevant if "can_dump=yes".
++
++    # Is the fchmod system call broken or unavailable?
++
++    fchmod_broken=no
++
++    # These four variables are only relevant if the system has the BSD-style
++    # a.out format.
++    # segment_size is the segment size of the system's memory management
++    # unit, i.e. the number to a multiple of which the size of an a.out
++    # segment (e.g. .text) is rounded up.
++    # file_text_start is the file offset at which the text segment starts
++    # in an a.out file.
++    # mem_text_start is the starting address of the text segment in memory.
++    # text_length_adj must be set to "sizeof (struct exec)" if the length of
++    # the text segment stored in the a.out header includes the a.out header
++    # itself.
++
++    segment_size=__LDPGSZ
++    file_text_start='(N_TXTOFF(hdr) + sizeof(struct exec))'
++    mem_text_start='(sizeof(struct exec) + getpagesize())'
++    text_length_adj='(sizeof(struct exec))'
++
++    # Only relevant if "aout_format=coff": the system's pagesize.
++
++    coff_pagesize=
++
++    # Only relevant if "aout_format=hp9k" and "load_obj=shl"
++
++    hp_shared_libraries=yes
++
++    # Print debug messages when dumping
++
++    debug_dump=yes
++
++
++# Is the "termio" terminal interface supported by the system?  If not,
++# BSD-style tty handling will be used.
++
++termio=yes
++
++
++# flush_stdio and flush_tty indicate how clear-input/output-port can
++# flush (purge) a FILE pointer and a TTY file descriptor.
++# Possible values of flush_stdio:
++#    bsd         assume old BSD-style FILE* (with _cnt, _ptr, _base)
++#    fpurge      use 4.4BSD-style fpurge stdio library function
++#    linux       use Linux-specific method
++# Possible values of flush_tty:
++#    tiocflush   use TIOCFLUSH ioctl from <sys/ioctl.h>
++#    tcflsh      use TCFLSH ioctl from <termio.h>
++# Leave the variable(s) empty if flushing is not supported.
++
++flush_stdio=fpurge
++flush_tty=tiocflush
++
++
++# The interpreter uses the getrlimit function to determine the maximum
++# stack size of the running program.  If this function is not supported,
++# set max_stack_size to a (fixed) maximum stack size (in bytes).
++
++max_stack_size=
++
++
++# Is the mprotect system call supported?  The generational garbage collector 
++# requires mprotect to implement incremental GC.  $mprotect is ignored if
++# generational_gc is set to "no" in the site file.  Set mprotect=mmap if
++# mprotect is supported, but only for mmap()ed memory.
++
++mprotect=yes
++
++
++# How can a SIGSEGV or SIGBUS signal handler find out the address of
++# the faulting memory reference?  This variable is only used if
++# $mprotect is "yes" or "mmap".  Possible values are:
++#
++#   siginfo     handler is called with siginfo_t structure (enabled
++#               by a call to sigaction)
++#   sigcontext  address is in the sigcontext structure (3rd arg, sc_badvaddr)
++#   arg4        address is delivered to handler as argument #4
++#   aix         use an AIX-specific hack to get hold of the bad address
++#   hpux        use a HP-UX-specific hack
++
++sigsegv_addr=arg4
++
++
++# Does the system support the alloca library function, and does this
++# function actually extend the stack?  If in doubt, extract alloca.o
++# from the C library and check if it contains the symbols malloc and free.
++# If this is the case, forget it.
++
++use_alloca=yes
++
++
++# Must <alloca.h> be included to use alloca?  Is "#pragma alloca" required?
++
++include_alloca_h=no
++pragma_alloca=no
++
++
++# Does the system (or compiler) require certain objects (e.g. doubles)
++# to be aligned at 8-byte boundaries?  If not, 4-byte alignment will
++# be assumed.
++
++align_8byte=yes
++
++
++# The C compiler used to compile the source code.
++
++cc=cc
++
++
++# The name of the linker.  This is usually just "ld", or /usr/ccs/bin/ld
++# in SVR4-based systems.
++
++ld=ld
++
++
++# The C compiler flags used for all files.
++
++cflags=$CFLAGS
++
++
++# Are extra C compiler flags (such as -D_NO_PROTO) required to compile
++# Motif applications?
++
++motif_cflags=
++
++
++# Are extra C compiler flags (such as -G 0) required to compile
++# dynamically loadable files?
++
++obj_cflags='-fpic -DPIC'
++
++
++# Are extra linker flags (such as -G 0) required to link several object
++# files together to one dynamically loadable file?
++
++obj_ldflags=
++
++
++# The linker flags used to link the interpreter.
++
++ldflags='-lm'
++
++
++# The lint flags.
++
++lintflags='-abxh'
++
++
++# Are function prototypes in the header files required?  If prototypes=yes,
++# prototypes are used unconditionally; if prototypes=no, prototypes are
++# not used; otherwise prototypes are only used if the source code is
++# compiled with an ANSI-C- or C++-compiler.
++
++prototypes=yes
++
++
++# Does your C preprocessor support the ANSI-C ## operator, although
++# __STDC__ is not defined?
++
++ansi_cpp=no
++
++
++# The UNIX extension likes to know which of the following system calls,
++# library functions, and include files are supported by the system.
++
++gettimeofday=yes
++ftime=
++vfork=yes
++gethostname=yes
++uname=yes
++mktemp=yes
++tmpnam=yes
++tempnam=yes
++getcwd=yes
++getwd=yes
++rename=yes
++waitpid=yes
++wait3=yes
++wait4=yes
++utime_h=yes
++regcomp=yes
++
++
++# Element type of the gidset argument of getgroups(); typically int
++# or gid_t.  Only needed by the UNIX extension.
++
++getgroups_type=gid_t
diff --git a/lang/elk/files/patch-ae b/lang/elk/files/patch-ae
new file mode 100644
index 000000000000..aa464df7be41
--- /dev/null
+++ b/lang/elk/files/patch-ae
@@ -0,0 +1,30 @@
+--- src/dump-vanilla.c.orig	Thu Jun 29 06:55:51 1995
++++ src/dump-vanilla.c	Sun Dec 12 16:29:07 1999
+@@ -12,6 +12,10 @@
+ 
+ extern void *sbrk();
+ 
++#if defined(__FreeBSD__)
++extern etext;
++#endif
++
+ #if defined(hp9000s300) || defined(__hp9000s300) || defined(__hp9000s300__)
+ static int getpagesize () {
+     return EXEC_PAGESIZE;
+@@ -113,13 +117,15 @@
+     close (afd);
+ #if defined(__bsdi__)
+     data_start = N_DATADDR(hdr);
++#elif defined (__FreeBSD__)
++    data_start = (int) &etext;
+ #else
+     data_start = hdr.a_text;
++#endif
+ #if defined(sun) || defined(__sun__)
+     data_start += pagemask+1;
+ #endif
+     data_start = (data_start + SEG_SIZ-1) & ~(SEG_SIZ-1);
+-#endif
+     data_end = (unsigned)sbrk (0);
+ #if !defined(__bsdi__)
+     data_end = (data_end + pagemask) & ~pagemask;
diff --git a/lang/elk/files/patch-af b/lang/elk/files/patch-af
new file mode 100644
index 000000000000..c4c4411565c9
--- /dev/null
+++ b/lang/elk/files/patch-af
@@ -0,0 +1,19 @@
+--- src/print.c.orig	Thu Apr  4 07:25:04 1996
++++ src/print.c	Sun Dec 12 16:29:07 1999
+@@ -6,6 +6,7 @@
+ #include <errno.h>
+ #include <ctype.h>
+ #include <varargs.h>
++#include <sys/param.h>
+ 
+ #ifdef FLUSH_TIOCFLUSH
+ #  include <sys/ioctl.h>
+@@ -556,7 +557,7 @@
+     register c;
+     char buf[256];
+     extern sys_nerr;
+-#ifndef __bsdi__
++#if !(defined(BSD) && (BSD >= 199306))
+     extern char *sys_errlist[];
+ #endif
+     GC_Node;
diff --git a/lang/elk/files/patch-ag b/lang/elk/files/patch-ag
new file mode 100644
index 000000000000..c30dca6e8e83
--- /dev/null
+++ b/lang/elk/files/patch-ag
@@ -0,0 +1,13 @@
+--- src/load-dl.c.orig	Fri Dec 22 08:46:24 1995
++++ src/load-dl.c	Sun Dec 12 16:29:07 1999
+@@ -4,6 +4,10 @@
+ extern char *strrchr();
+ extern char *getenv();
+ 
++#ifndef RTLD_NOW
++#define RTLD_NOW 1
++#endif
++
+ Dlopen_File (fn) char *fn; {
+     void *handle;
+     SYM *sp;
diff --git a/lang/elk/files/patch-ah b/lang/elk/files/patch-ah
new file mode 100644
index 000000000000..04b9162dd24e
--- /dev/null
+++ b/lang/elk/files/patch-ah
@@ -0,0 +1,11 @@
+--- src/build.orig	Mon Jan 24 10:12:31 1994
++++ src/build	Sun Dec 12 16:29:08 1999
+@@ -22,7 +22,7 @@
+ 
+ SHELL=/bin/sh
+ 
+-CC= ${cc-cc}
++CC?= cc
+ CFLAGS= $cflags
+ LDFLAGS= $ldflags
+ LINTFLAGS= $lintflags
diff --git a/lang/elk/files/patch-ai b/lang/elk/files/patch-ai
new file mode 100644
index 000000000000..2cc2da4beb35
--- /dev/null
+++ b/lang/elk/files/patch-ai
@@ -0,0 +1,11 @@
+--- lib/misc/build.orig	Thu Jul 27 07:22:40 1995
++++ lib/misc/build	Sun Dec 12 16:29:08 1999
+@@ -15,7 +15,7 @@
+ 
+ SHELL=/bin/sh
+ 
+-CC= ${cc-cc}
++CC?= cc
+ CFLAGS= $cflags $obj_cflags
+ LINTFLAGS= $lintflags
+ 
diff --git a/lang/elk/files/patch-aj b/lang/elk/files/patch-aj
new file mode 100644
index 000000000000..9e9b6204ee88
--- /dev/null
+++ b/lang/elk/files/patch-aj
@@ -0,0 +1,11 @@
+--- lib/unix/build.orig	Tue Jul 18 06:07:06 1995
++++ lib/unix/build	Sun Dec 12 16:29:08 1999
+@@ -7,7 +7,7 @@
+ 
+ SHELL=/bin/sh
+ 
+-CC= ${cc-cc}
++CC?= cc
+ CFLAGS= $cflags $obj_cflags
+ LINTFLAGS= $lintflags
+ 
diff --git a/lang/elk/files/patch-ak b/lang/elk/files/patch-ak
new file mode 100644
index 000000000000..b2d876becf57
--- /dev/null
+++ b/lang/elk/files/patch-ak
@@ -0,0 +1,11 @@
+--- lib/xaw/build.orig	Tue Jul 18 06:29:49 1995
++++ lib/xaw/build	Sun Dec 12 16:29:08 1999
+@@ -7,7 +7,7 @@
+ 
+ SHELL=/bin/sh
+ 
+-CC= ${cc-cc}
++CC?= cc
+ CFLAGS= $cflags $obj_cflags
+ LINTFLAGS= $lintflags
+ SCMFLAGS= -p .:../../scm:../xt
diff --git a/lang/elk/files/patch-al b/lang/elk/files/patch-al
new file mode 100644
index 000000000000..fb814ca61a73
--- /dev/null
+++ b/lang/elk/files/patch-al
@@ -0,0 +1,11 @@
+--- lib/xlib/build.orig	Tue Jul 18 06:19:11 1995
++++ lib/xlib/build	Sun Dec 12 16:29:08 1999
+@@ -7,7 +7,7 @@
+ 
+ SHELL=/bin/sh
+ 
+-CC= ${cc-cc}
++CC?= cc
+ CFLAGS= $cflags $obj_cflags
+ LINTFLAGS= $lintflags
+ 
diff --git a/lang/elk/files/patch-am b/lang/elk/files/patch-am
new file mode 100644
index 000000000000..cc5e740335d4
--- /dev/null
+++ b/lang/elk/files/patch-am
@@ -0,0 +1,11 @@
+--- lib/xm/build.orig	Tue Jul 18 06:22:31 1995
++++ lib/xm/build	Sun Dec 12 16:29:08 1999
+@@ -9,7 +9,7 @@
+ 
+ SHELL=/bin/sh
+ 
+-CC= ${cc-cc}
++CC?= cc
+ CFLAGS= $cflags $obj_cflags $motif_cflags
+ LINTFLAGS= $lintflags
+ SCMFLAGS= -p .:../../scm:../xt
diff --git a/lang/elk/files/patch-an b/lang/elk/files/patch-an
new file mode 100644
index 000000000000..52245f1cf62c
--- /dev/null
+++ b/lang/elk/files/patch-an
@@ -0,0 +1,11 @@
+--- lib/xt/build.orig	Tue Jul 18 06:21:52 1995
++++ lib/xt/build	Sun Dec 12 16:29:08 1999
+@@ -7,7 +7,7 @@
+ 
+ SHELL=/bin/sh
+ 
+-CC= ${cc-cc}
++CC?= cc
+ CFLAGS= $cflags $obj_cflags
+ LINTFLAGS= $lintflags
+