[pkgsrc/trunk]: pkgsrc/mk Rewrite to avoid needing egrep.

[jlam <jlam%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/c2cb35912db5
branches:  trunk
changeset: 493222:c2cb35912db5
user:      jlam <jlam%pkgsrc.org@localhost>
date:      Sat Apr 30 03:01:06 2005 +0000

description:
Rewrite to avoid needing egrep.

diffstat:

 mk/endian.mk |  64 ++++++++++++++++++++++++++++++------------------------------
 1 files changed, 32 insertions(+), 32 deletions(-)

diffs (78 lines):

diff -r d8cde279f435 -r c2cb35912db5 mk/endian.mk
--- a/mk/endian.mk      Sat Apr 30 02:16:12 2005 +0000
+++ b/mk/endian.mk      Sat Apr 30 03:01:06 2005 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: endian.mk,v 1.3 2004/02/06 19:04:25 jlam Exp $
+# $NetBSD: endian.mk,v 1.4 2005/04/30 03:01:06 jlam Exp $
 #
 # Determine the endianness of the platform by checking header files.
 #
@@ -15,37 +15,37 @@
 # .endif
 
 .include "../../mk/bsd.prefs.mk"
+
 .if !defined(MACHINE_ENDIAN)
-_ENDIAN_H_FILES=       /usr/include/endian.h           # Linux
-_ENDIAN_H_FILES+=      /usr/include/sys/endian.h       # NetBSD=>1.5
-_ENDIAN_H_FILES+=      /usr/include/machine/endian.h   # NetBSD<1.5
-_ENDIAN_H_FILES+=      /usr/include/sys/byteorder.h    # Solaris
-_ENDIAN_H_FILES+=      /dev/null
-.  for FILE in ${_ENDIAN_H_FILES}
-.    if !defined(_ENDIAN_H)
-.      if exists(${FILE})
-_ENDIAN_H?=            ${FILE:S/\/usr\/include\///}
-.      endif
-.    endif
-.  endfor
+.  if exists(/usr/include/endian.h)
+_ENDIAN_H=     /usr/include/endian.h           # Linux
+.  elif exists(/usr/include/sys/endian.h)
+_ENDIAN_H=     /usr/include/sys/endian.h       # NetBSD>=1.5
+.  elif exists(/usr/include/machine/endian.h)
+_ENDIAN_H=     /usr/include/machine/endian.h   # NetBSD<1.5
+.  elif exists(/usr/include/sys/byteorder.h)
+_ENDIAN_H=     /usr/include/sys/byteorder.h    # Solaris
+.  else
+_ENDIAN_H=     /dev/null
+.  endif
+
 MACHINE_ENDIAN!=                                                       \
-       byte_order=`                                                    \
-               (                                                       \
-                       ${ECHO} "\#include <${_ENDIAN_H}>";             \
-                       ${ECHO} "\#ifndef BYTE_ORDER";                  \
-                       ${ECHO} "\#ifdef _BIG_ENDIAN";                  \
-                       ${ECHO} "\#define BYTE_ORDER 4321";             \
-                       ${ECHO} "\#else";                               \
-                       ${ECHO} "\#define BYTE_ORDER 1234";             \
-                       ${ECHO} "\#endif";                              \
-                       ${ECHO} "\#endif";                              \
-                       ${ECHO} "BYTE_ORDER";                           \
-               ) | ${CC} -E - | ${EGREP} "^(1234|4321)"                \
-       `;                                                              \
-       case `${ECHO} $${byte_order}` in                                \
-       1234)   ${ECHO} little ;;                                       \
-       4321)   ${ECHO} big ;;                                          \
-       *)      ${ECHO} unknown ;;                                      \
-       esac
-MAKEFLAGS+=    MACHINE_ENDIAN=${MACHINE_ENDIAN}
+       { ${ECHO} "\#include <${_ENDIAN_H}>";                           \
+         ${ECHO} "\#ifndef BYTE_ORDER";                                \
+         ${ECHO} "\#ifdef _BIG_ENDIAN";                                \
+         ${ECHO} "\#define BYTE_ORDER 4321";                           \
+         ${ECHO} "\#else";                                             \
+         ${ECHO} "\#define BYTE_ORDER 1234";                           \
+         ${ECHO} "\#endif";                                            \
+         ${ECHO} "\#endif";                                            \
+         ${ECHO} "BYTE_ORDER"; } | ${CC} -E - |                        \
+       { while read line; do                                           \
+               case $$line in                                          \
+               1234)   ${ECHO} "little"; exit 0 ;;                     \
+               4321)   ${ECHO} "big"; exit 0 ;;                        \
+               esac;                                                   \
+         done;                                                         \
+         ${ECHO} "unknown"; }
+
+MAKEFLAGS+=    MACHINE_ENDIAN=${MACHINE_ENDIAN:Q}
 .endif