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Version 6.1

#
# $Author: misho $
# $Id: configure.in,v 1.72 2024/10/10 23:55:47 misho Exp $
#
AC_INIT(libelwix, 6.1, misho@elwix.org)
AC_CONFIG_SRCDIR([src/elwix.c])
AC_CONFIG_HEADERS([inc/config.h])

ac_cv_func_malloc_0_nonnull="yes"
ac_cv_func_realloc_0_nonnull="yes"

# Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_RANLIB

AC_CANONICAL_HOST
AC_CANONICAL_TARGET

AC_CHECK_TOOL(MKDEP, mkdep, ../mkdep)
AC_SUBST(MKDEP)

if test "${ac_cv_env_CFLAGS_set}" != "set"; then
	CFLAGS="-Wall -O2"
else
	CFLAGS="${ac_cv_env_CFLAGS_value}"
fi
if test "${ac_cv_env_LDFLAGS_set}" = "set"; then
	LDFLAGS="${ac_cv_env_LDFLAGS_value}"
fi

AC_CHECK_LIB([pthread], [pthread_mutex_init])

# Checks for header files.
AC_CHECK_HEADERS([stdlib.h string.h sys/ioctl.h termios.h unistd.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE

# Checks for library functions.
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_CHECK_FUNCS([memset regcomp strchr strerror link_addr strlcpy strlcat])

DEBUG=no
AC_MSG_CHECKING(Debug Build)
AC_ARG_ENABLE(debug,
	[  --enable-debug          Build library with debug information and additional messages],
	[ DEBUG=$enableval
		case "$enableval" in
			yes)
				CFLAGS="-g ${CFLAGS}"
				;;
			*)
				AC_DEFINE(NDEBUG,, [Build w/o assert() support])
				;;
		esac ],)
AC_MSG_RESULT($DEBUG)

MEMMGR="elwix"
AC_MSG_CHECKING(Memory management)
AC_ARG_WITH(memmgr,
	[  --with-memmgr=<mm>      Memory manager for ELWIX (elwix|system)], 
	[ case "$withval" in
		sys|system)
			MEMMGR="system"
			AC_DEFINE(MEMMGR, ELWIX_SYSM, [ELWIX memory manager])
			;;
		*)
			MEMMGR="elwix"
			AC_DEFINE(MEMMGR, ELWIX_MPOOL, [ELWIX memory manager])
			;;
	  esac ], AC_DEFINE(MEMMGR, ELWIX_MPOOL, [ELWIX memory manager]))
AC_MSG_RESULT($MEMMGR)

MPOOL_MEM_ZERO=no
AC_MSG_CHECKING(MPoll zeroing allocated memory)
AC_ARG_ENABLE(mpool-mem-zero, 
	      [  --enable-mpool-mem-zero MPool zeroing allocated memory], 
	      [ case "$enableval" in 
		 	yes)
				AC_DEFINE(MPOOL_MEM_ZERO,, [MPool zeroing memory])
				MPOOL_MEM_ZERO=yes
				;;
			*)
				MPOOL_MEM_ZERO=no
				;;
		  esac ],)
AC_MSG_RESULT($MPOOL_MEM_ZERO)

PATRICIA=no
AC_MSG_CHECKING(Patricia support)
AC_ARG_ENABLE(patricia, 
	      [  --enable-patricia       Patricia support for ELWIX], 
	      [ case "$enableval" in 
		 	yes)
				AC_DEFINE(PATRICIA_SUPPORT,, [Patricia support])
				PATRICIA=yes
				;;
			*)
				;;
		  esac ],)
AC_MSG_RESULT($PATRICIA)

PELCO=no
AC_MSG_CHECKING(Pelco support)
AC_ARG_ENABLE(pelco, 
	      [  --enable-pelco          Pelco support for ELWIX], 
	      [ case "$enableval" in 
		 	yes)
				AC_DEFINE(PELCO_SUPPORT,, [Pelco support])
				PELCO=yes
				;;
			*)
				;;
		  esac ],)
AC_MSG_RESULT($PELCO)

DEBIAN_ARCH=$target_cpu
AS_IF([ test "x$target_cpu" = "xarm6l" -o "x$target_cpu" = "xarm7l" ], DEBIAN_ARCH="armhf") 
AS_IF([ test "x$target_cpu" = "xaarch64" ], DEBIAN_ARCH="arm64") 
AS_IF([ test "x$target_cpu" = "xi686" ], DEBIAN_ARCH="i386") 
AS_IF([ test "x$target_cpu" = "xx86_64" ], DEBIAN_ARCH="amd64") 
AC_SUBST(DEBIAN_ARCH)


AC_CONFIG_FILES([Makefile
                 inc/Makefile
                 lib/Makefile
		 debian/Makefile
		 debian/control
                 src/Makefile])
AC_OUTPUT