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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..b824a43 --- /dev/null +++ b/configure.ac @@ -0,0 +1,141 @@ +# -*- Autoconf -*- + +AC_PREREQ([2.65]) +AC_INIT([knot], [0.8], [knot-dns@labs.nic.cz]) +AM_INIT_AUTOMAKE([gnu -Wall -Werror]) +AC_CONFIG_SRCDIR([src/knot/main.c]) +AC_CONFIG_HEADERS([src/config.h]) +AC_CONFIG_MACRO_DIR([m4]) +AC_USE_SYSTEM_EXTENSIONS([_GNU_SOURCE]) +AX_EXT + +# Enable maintainer mode by default for development +AM_MAINTAINER_MODE([enable]) + +# Initialize libtool +LT_INIT + +# Checks for programs. +AC_PROG_CC + +AC_CACHE_CHECK([for reentrant lex], [ac_cv_path_LEX], + [AC_PATH_PROGS_FEATURE_CHECK([LEX], [$LEX flex gflex], + [cat >conftest.l <<_ACEOF +%{ +%} + +%option reentrant +%option bison-bridge +%option noinput +%option nounput +%option noreject + +BLANK [ \t\n] + +%% +<<EOF>> return 0; +%% +_ACEOF +_AC_DO_VAR(ac_path_LEX conftest.l) +test $ac_status -eq 0 && ac_cv_path_LEX=$ac_path_LEX ac_path_LEX_found=true +rm -f conftest.l lexyy.c lex.yy.c +], +[AC_MSG_ERROR([could not find lex that supports reentrant parsers])])]) +AC_SUBST([LEX], [$ac_cv_path_LEX]) +AM_PROG_LEX + +AC_PROG_YACC +YACC_BISON=`bison --version | awk '{print $1;exit}'` +if test "$YACC_BISON" != "bison"; then + AC_MSG_ERROR([GNU bison needed for reentrant parsers, set the \$YACC variable before running configure]) +fi +AC_PROG_INSTALL + +# Set compiler compatibility flags +AC_PROG_CPP_WERROR +AC_PROG_CC_C99 + +AC_ARG_ENABLE([ldns], + AC_HELP_STRING([--enable-ldns=yes|no], [Enable tests with ldns [default=no]]), + [case "${enableval}" in + yes) AC_SEARCH_LIBS([ldns_rr_list_pop_rrset], [ldns], [AC_DEFINE([HAVE_LDNS], [1], [ldns present])], + AC_MSG_ERROR([ldns not found])) ;; + no) ldns=false ;; + *) AC_MSG_ERROR([bad value ${enableval} for --enable-ldns]) ;; + esac],[ldns=false]) + +# Debug level +AC_ARG_ENABLE([debug], + AS_HELP_STRING([--enable-debug=brief|verbose|details], [enable given debug level [default=disabled]]), + # Not all shells support fall-through with ;& so I have to duplicate + [case "x${enableval}" in + xdetails) + AC_DEFINE([DEBUG_ENABLE_DETAILS], [1], [Enable details debugging messages.]) + AC_DEFINE([DEBUG_ENABLE_VERBOSE], [1], [Enable verbose debugging messages.]) + AC_DEFINE([DEBUG_ENABLE_BRIEF], [1], [Enable brief debugging messages.]) + ;; + xverbose) + AC_DEFINE([DEBUG_ENABLE_VERBOSE], [1], [Enable verbose debugging messages.]) + AC_DEFINE([DEBUG_ENABLE_BRIEF], [1], [Enable brief debugging messages.]) + ;; + xbrief) + AC_DEFINE([DEBUG_ENABLE_BRIEF], [1], [Enable brief debugging messages.]) + ;; + esac], []) + +# recvmmsg() (valgrind doesn't support it, so disable for debugging) +AC_ARG_ENABLE([recvmmsg], + AS_HELP_STRING([--enable-recvmmsg=yes|no], [enable recvmmsg() network API under Linux (kernel support required) (set to 'no' if you have trouble running server under valgrind) [default=yes]]), + [case "${enableval}" in + yes) + AC_DEFINE([ENABLE_RECVMMSG], [1], [recvmmsg enabled]) + ;; + no) + recvmmsg=false + ;; + *) + AC_MSG_ERROR([bad value ${enableval} for --enable-recvmmsg]) + ;; + esac], [ + AC_DEFINE([ENABLE_RECVMMSG], [1], [recvmmsg enabled]) + recvmmsg=true + ]) + +# Checks for libraries. +# FIXME: Replace `main' with a function in `-lm': +# TODO: check if paths exist before appending +CFLAGS="$CFLAGS -I/usr/local/include" +LDFLAGS="$LDFLAGS -L/usr/local/lib" +AC_SEARCH_LIBS([pow], [m]) +AC_SEARCH_LIBS([pthread_create], [pthread], [], [AC_MSG_ERROR([pthreads not found])]) +AC_SEARCH_LIBS([rcu_set_pointer_sym], [urcu], [], [AC_MSG_ERROR([liburcu not found])]) +AC_SEARCH_LIBS([dlopen], [dl]) +#AC_SEARCH_LIBS([clock_gettime], [rt], [], [AC_MSG_ERROR([librt not found])]) +AC_SEARCH_LIBS([OpenSSL_add_all_digests], [crypto],[], [AC_MSG_ERROR([libcrypto not found])]) +#AC_SEARCH_LIBS([ldns_rr_list_pop_rrset], [ldns], [], [AC_MSG_ERROR([libldns not found])]) + +# Checks for header files. +AC_HEADER_RESOLV +AC_CHECK_HEADERS([arpa/inet.h fcntl.h inttypes.h limits.h malloc.h netdb.h netinet/in.h stdint.h stdlib.h string.h strings.h sys/socket.h sys/time.h syslog.h unistd.h urcu.h ev.h]) + +# Checks for typedefs, structures, and compiler characteristics. +AC_HEADER_STDBOOL +AC_C_INLINE +AC_TYPE_INT64_T +AC_TYPE_PID_T +AC_TYPE_SIZE_T +AC_TYPE_SSIZE_T +AC_TYPE_UINT16_T +AC_TYPE_UINT32_T +AC_TYPE_UINT64_T +AC_TYPE_UINT8_T + +# Checks for library functions. +AC_FUNC_FORK +AC_FUNC_MMAP +AC_CHECK_FUNCS([gethostbyname gettimeofday memmove memset munmap regcomp select socket sqrt strcasecmp strchr strdup strerror strncasecmp strtol strtoul poll epoll_wait kqueue]) + +AC_CONFIG_FILES([Makefile + samples/Makefile + src/Makefile]) +AC_OUTPUT |