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configure.ac
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configure.ac
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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
#AC_PREREQ(2.63)
AC_INIT([META data and RESource library for C language], [1.0], [[email protected]])
AM_INIT_AUTOMAKE([metaresc], [1.0])
AC_CONFIG_SRCDIR([src/mr_protos.h])
AC_CONFIG_HEADERS([src/mr_config.h src/mr_export.h])
AC_CONFIG_MACRO_DIR([m4])
AC_LANG(C)
# Checks for programs.
AC_PROG_CC
AC_PROG_CPP
AC_PROG_CXX
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AM_PROG_LIBTOOL
YACC=bison
AC_PROG_YACC
AC_PROG_LEX
AM_CFLAGS=""
aux_CFLAGS=--fast-math
save_CFLAGS=${CFLAGS}
CFLAGS="${CFLAGS} ${aux_CFLAGS}"
AC_MSG_CHECKING([${CC} accepts flag ${aux_CFLAGS}])
AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[]], [[]])], [ AM_CFLAGS="${AM_CFLAGS} ${aux_CFLAGS}"; AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])])
CFLAGS=${save_CFLAGS}
aux_CFLAGS=-Wall
save_CFLAGS=${CFLAGS}
CFLAGS="${CFLAGS} ${aux_CFLAGS}"
AC_MSG_CHECKING([${CC} accepts flag ${aux_CFLAGS}])
AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[]], [[]])], [ AM_CFLAGS="${AM_CFLAGS} ${aux_CFLAGS}"; AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])])
CFLAGS=${save_CFLAGS}
aux_CFLAGS=-Werror
save_CFLAGS=${CFLAGS}
CFLAGS="${CFLAGS} ${aux_CFLAGS}"
AC_MSG_CHECKING([${CC} accepts flag ${aux_CFLAGS}])
AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[]], [[]])], [ AM_CFLAGS="${AM_CFLAGS} ${aux_CFLAGS}"; AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])])
CFLAGS=${save_CFLAGS}
aux_CFLAGS=-Wno-initializer-overrides
save_CFLAGS=${CFLAGS}
CFLAGS="${CFLAGS} ${aux_CFLAGS}"
AC_MSG_CHECKING([${CC} accepts flag ${aux_CFLAGS}])
AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[]], [[]])], [ AM_CFLAGS="${AM_CFLAGS} ${aux_CFLAGS}"; AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])])
CFLAGS=${save_CFLAGS}
aux_CFLAGS=-Wno-constant-conversion
save_CFLAGS=${CFLAGS}
CFLAGS="${CFLAGS} ${aux_CFLAGS}"
AC_MSG_CHECKING([${CC} accepts flag ${aux_CFLAGS}])
AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[]], [[]])], [ AM_CFLAGS="${AM_CFLAGS} ${aux_CFLAGS}"; AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])])
CFLAGS=${save_CFLAGS}
AC_SUBST(AM_CFLAGS, ${AM_CFLAGS})
AC_CHECK_PROG(HAVE_BISON, $YACC, yes)
AC_CHECK_PROG(HAVE_FLEX, $LEX, yes)
dnl The dlopen() function is in the C library for *BSD and in libdl on GLIBC-based systems
AC_SEARCH_LIBS([dladdr], [dl dld], [AC_DEFINE(HAVE_LIBDL, [], [define if dl is present])], [])
AM_CONDITIONAL(HAVE_BISON_FLEX, test x${HAVE_BISON} = xyes && test x${HAVE_FLEX} = xyes)
if test x${HAVE_BISON} = xyes && test x${HAVE_FLEX} = xyes; then
AC_DEFINE(HAVE_BISON_FLEX, [], [Bison & Flex found])
fi
# Checks for libraries.
PKG_CHECK_MODULES([LIBXML2], [libxml-2.0 >= 2.0], [ HAVE_LIBXML2=yes ], [] )
AM_CONDITIONAL(HAVE_LIBXML2, test x${HAVE_LIBXML2} = xyes)
if test x${HAVE_LIBXML2} = xyes ; then
AC_DEFINE(HAVE_LIBXML2, [], [define if libxml2 is present])
fi
PKG_CHECK_MODULES([CHECK], [check >= 0.9.5], [ HAVE_CHECK=yes ], [] )
AM_CONDITIONAL(HAVE_CHECK, test x${HAVE_CHECK} = xyes)
AC_CHECK_MEMBERS([struct xdr_ops.x_putint32, struct xdr_ops.x_getint32], , , [[#include <rpc/types.h>
#include <rpc/xdr.h>]])
# Checks for header files.
AC_FUNC_ALLOCA
AC_HEADER_STDC
AC_CHECK_HEADERS([inttypes.h malloc.h stddef.h stdlib.h string.h unistd.h endian.h values.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
AC_C_CONST
AC_C_INLINE
AC_TYPE_INT16_T
AC_TYPE_INT32_T
AC_TYPE_INT64_T
AC_TYPE_INT8_T
AC_TYPE_SIZE_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_UINT8_T
# Checks for library functions.
AC_FUNC_MALLOC
AC_FUNC_MEMCMP
AC_FUNC_REALLOC
AC_FUNC_VPRINTF
AC_CHECK_FUNCS([memset strchr strndup strdup strncasecmp strstr xdr_int8_t xdr_uint8_t])
AC_ARG_ENABLE(pp-depth, [ --enable-pp-depth set depth for preprocessor routines], PP_DEPTH=$enableval, PP_DEPTH=128)
AC_MSG_CHECKING(preprocessor routines depth)
AC_MSG_RESULT(${PP_DEPTH})
AC_DEFINE_UNQUOTED(MR_PP_DEPTH, ${PP_DEPTH}, [Preprocessor routines depth])
UNCOVERED_TYPE="long long"
SIZEOF_UNCOVERED_TYPE=64
for TYPE in char short int long "long long"
do
AC_MSG_CHECKING([unsigned ${TYPE} compatibility with uint8_t, uint16_t, uint32_t, uint64_t ])
AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[#include <stdint.h>]], [[ (int)sizeof (struct { int:-!!(__builtin_types_compatible_p (unsigned ${TYPE}, uint8_t) | __builtin_types_compatible_p (unsigned ${TYPE}, uint16_t) | __builtin_types_compatible_p (unsigned ${TYPE}, uint32_t) | __builtin_types_compatible_p (unsigned ${TYPE}, uint64_t)); }); ]])], [ UNCOVERED_TYPE=${TYPE}; AC_MSG_RESULT([no])], [AC_MSG_RESULT([yes])])
done
AC_MSG_CHECKING(uncovered int type)
AC_MSG_RESULT(${UNCOVERED_TYPE})
for TYPE_SIZE in 8 16 32 64
do
AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[#include <stdint.h>]], [[ (int)sizeof (struct { int:-!!(sizeof (uint${TYPE_SIZE}_t) != sizeof (${UNCOVERED_TYPE})); }); ]])], [ SIZEOF_UNCOVERED_TYPE=${TYPE_SIZE} ])
done
AC_MSG_CHECKING(size of uncovered int type)
AC_MSG_RESULT(${SIZEOF_UNCOVERED_TYPE})
AC_DEFINE_UNQUOTED(MR_UNCOVERED_TYPE, ${UNCOVERED_TYPE}, [int type which is not compatible with uint8_t, uint16_t, uint32_t, uint64_t])
AC_DEFINE_UNQUOTED(MR_SIZEOF_UNCOVERED_TYPE, ${SIZEOF_UNCOVERED_TYPE}, [sizeof int type which is not compatible with uint8_t, uint16_t, uint32_t, uint64_t])
AC_CONFIG_FILES([Makefile src/Makefile tests/Makefile examples/Makefile])
AC_OUTPUT