Initial import

configure.ac

@@ -0,0 +1,88 @@
+dnl Process this file with autoconf to produce a configure script.
+AC_INIT([lrzip],[0.44],[kernel@kolivas.org],[lrzip-0.44])
+AC_CONFIG_HEADER(config.h)
+# see what our system is!
+AC_CANONICAL_HOST
+
+AC_ARG_ENABLE(
+		asm,
+		[AC_HELP_STRING([--enable-asm],[Enable native Assembly code])],
+		ASM=$enableval,
+		ASM=yes
+             )
+if test x"$ASM" = xyes; then
+	AC_CHECK_PROG( ASM, nasm, yes, no )
+fi
+
+dnl Checks for programs.
+AC_PROG_CC
+AC_PROG_CXX
+AC_PROG_INSTALL
+AC_PROG_LN_S
+AC_SUBST(SHELL)
+AC_SYS_LARGEFILE
+
+AC_CHECK_HEADERS(fcntl.h sys/time.h sys/unistd.h unistd.h)
+AC_CHECK_HEADERS(sys/param.h ctype.h sys/wait.h sys/ioctl.h)
+AC_CHECK_HEADERS(string.h stdlib.h sys/types.h)
+
+AC_TYPE_OFF_T
+AC_TYPE_SIZE_T
+
+AC_CHECK_SIZEOF(int)
+AC_CHECK_SIZEOF(long)
+AC_CHECK_SIZEOF(short)
+
+AC_CACHE_CHECK([for large file support],rzip_cv_HAVE_LARGE_FILES,[
+AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <stdio.h>
+#include <sys/types.h>
+main() { return (sizeof(off_t) == 4); }]])],[rzip_cv_HAVE_LARGE_FILES=yes],[rzip_cv_HAVE_LARGE_FILES=no],[rzip_cv_HAVE_LARGE_FILES=cross])])
+if test x"$rzip_cv_HAVE_LARGE_FILES" = x"yes"; then
+    AC_DEFINE(HAVE_LARGE_FILES, 1, [ ])
+fi
+
+
+AC_C_INLINE
+
+AC_CHECK_LIB(pthread, pthread_create, ,
+        AC_MSG_ERROR([Could not find pthread library - please install libpthread]))
+AC_CHECK_LIB(m, sqrt, ,
+        AC_MSG_ERROR([Could not find math library - please install libm]))
+AC_CHECK_LIB(z, compress2, ,
+	AC_MSG_ERROR([Could not find zlib library - please install zlib-dev]))
+AC_CHECK_LIB(bz2, BZ2_bzBuffToBuffCompress, ,
+        AC_MSG_ERROR([Could not find bz2 library - please install libbz2-dev]))
+AC_CHECK_LIB(lzo2, lzo1x_1_compress, ,
+        AC_MSG_ERROR([Could not find lzo2 library - please install liblzo2-dev]))
+
+AC_DEFINE([HAVE_ERRNO_DECL],[0],[Define to 1 if errno.h present])
+
+echo $ECHO_N "checking for errno in errno.h... $ECHO_C"
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <errno.h>]], [[int i = errno]])],[echo yes; AC_DEFINE(HAVE_ERRNO_DECL)],[echo no])
+
+AC_CHECK_FUNCS(mmap strerror)
+AC_CHECK_FUNCS(getopt_long)
+
+# final checks for x86 and/or assembler
+if test x"$ASM" = x"no"; then
+	ASM_OBJ=7zCrc.o
+	ASM=
+else
+	case $host in
+		i?86-*)
+			ASM_OBJ="7zCrcT8.o 7zCrcT8U.o"
+			ASM="nasm -f elf" ;;
+# x86_64 code is broken still
+#		x86_64-*)
+#			ASM_OBJ="7zCrcT8.o 7zCrcT8U_64.o"
+#			ASM="nasm -f elf64" ;;
+		*) ASM_OBJ=7zCrc.o ;;
+	esac
+fi
+
+AC_SUBST([ASM_OBJ])
+AC_SUBST([ASM])
+
+AC_CONFIG_FILES([Makefile])
+AC_OUTPUT