dnl Process this file with autoconf to produce a configure script.
AC_INIT(ftrace.c)
AC_CONFIG_HEADER(config.h)

dnl Check operating system.
AC_CANONICAL_SYSTEM
case "$host" in
	*-linux*)
		AC_DEFINE(LINUX_GLIBC)
		LDSHARED=-shared
		;;
	*-linux*libc1)
		AC_DEFINE(LINUX_LIBC)
		LDSHARED=-shared
		;;
	*-solaris*)
		AC_DEFINE(SOLARIS_LIBC)
		LDSHARED=-G
		;;
	*)
		AC_MSG_ERROR(Unknown system type $host)
		;;
esac
AC_SUBST(LDSHARED)

dnl Checks for programs.
AC_PROG_CC
AC_CHECK_PROG(LD, ld, ld)
if test -z "$LD"; then
	AC_MSG_ERROR(Linker not found)
fi
AC_PROG_INSTALL

dnl Checks for libraries.
AC_CHECK_LIB(dl, dlopen)

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h unistd.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_MODE_T

dnl Checks for library functions.
AC_CHECK_FUNCS(getcwd mkdir)

AC_CHECK_FUNCS(open64)

AC_OUTPUT(Makefile ftrace)