libcruft-util/configure.ac

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AC_INIT([libgim], [0.1.0], [danny@nerdcruft.net])
## Explicitly set an empty CXXFLAGS if not present to prevent AC_PROG_CXX from
## generating a default -O2. This allows us to manually select -O0 when
## debugging is enabled.
: ${CXXFLAGS=""}
###############################################################################
## Build environment discovery
AC_CONFIG_AUX_DIR([build-aux])
AC_REQUIRE_AUX_FILE([tap-driver.sh])
AC_CONFIG_MACRO_DIR([m4])
AC_USE_SYSTEM_EXTENSIONS
AC_CANONICAL_HOST
LT_INIT
AC_LANG([C++])
AC_PROG_CXX
AC_PROG_CXXCPP
AX_COMPILER_VENDOR
AM_INIT_AUTOMAKE([1.14 dist-bzip2 dist-xz foreign subdir-objects])
AM_SILENT_RULES([yes])
AC_CONFIG_HEADERS([config.h])
NC_CXX
NC_PLATFORM
NC_WARNINGS
NC_DEBUGGING
NC_OPTIMISATION
###############################################################################
## Architecture features
AC_C_BIGENDIAN
###############################################################################
## Useful headers or platform features
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
###############################################################################
## Platform features
AC_FUNC_MMAP
AC_CHECK_FUNC([strndup], [
AC_DEFINE([HAVE_STRNDUP], [], [strndup appears to be present])
])
AC_CHECK_HEADER([execinfo.h], [break])
AM_CONDITIONAL([HAVE_EXECINFO], [test x$ac_cv_header_execinfo_h = "xyes"])
AC_SEARCH_LIBS([clock_gettime], [rt])
AS_IF([test "x$ac_cv_search_clock_gettime" == "x-*"], [
AX_APPEND_LINK_FLAGS([$ac_cv_search_clock_gettime], [], [-Werror])
])
###############################################################################
## Debug features
###############################################################################
## Documentation
###############################################################################
## Required packages
CHECK_RAGEL([ip.cpp])
AX_BOOST_BASE([1.53], [], [AC_MSG_ERROR([Boost version >= 1.53 required])])
# boost-system isn't a hard requirement, it's only really used to fulfill
# some other dependency I've since forgotten about...
AX_BOOST_SYSTEM
AX_BOOST_THREAD
AS_IF([test "x$ax_cv_boost_thread" != "xyes"], [
AC_MSG_ERROR("boost-thread is a hard requirement")
])
AX_BOOST_FILESYSTEM
AS_IF([test "x$ax_cv_boost_filesystem" != "xyes"], [
AC_MSG_ERROR("boost-filesystem is a hard requirement")
])
###############################################################################
## Optional packages
PKG_CHECK_MODULES([ZLIB], [zlib >= 1.2.0])
AC_SUBST(ZLIB_CFLAGS)
AC_SUBST(ZLIB_LIBS)
###############################################################################
## Performance and build optimisations
###############################################################################
## Output
# inclusion of config.h has to go after compilation tests otherwise we risk
# failure on a clean build
AX_APPEND_FLAG([-include config.h])
AC_CONFIG_FILES([
Doxyfile
Makefile
test/Makefile
])
AC_CONFIG_FILES([test/json.test], [chmod a+x test/json.test])
AC_OUTPUT