| ## Process this file with autoconf to produce configure. |
| ## In general, the safest way to proceed is to run ./autogen.sh |
| |
| # make sure we're interpreted by some minimal autoconf |
| AC_PREREQ(2.57) |
| |
| AC_INIT(sparsehash, 1.7, opensource@google.com) |
| # The argument here is just something that should be in the current directory |
| # (for sanity checking) |
| AC_CONFIG_SRCDIR(README) |
| AM_INIT_AUTOMAKE([dist-zip]) |
| AM_CONFIG_HEADER(src/config.h) |
| |
| # Checks for programs. |
| AC_PROG_CC |
| AC_PROG_CPP |
| AC_PROG_CXX |
| AM_CONDITIONAL(GCC, test "$GCC" = yes) # let the Makefile know if we're gcc |
| |
| # Check whether some low-level functions/files are available |
| AC_HEADER_STDC |
| AC_CHECK_FUNCS(memcpy memmove) |
| AC_CHECK_TYPES([uint16_t]) # defined in C99 systems |
| AC_CHECK_TYPES([u_int16_t]) # defined in BSD-derived systems, and gnu |
| AC_CHECK_TYPES([__uint16]) # defined in some windows systems (vc7) |
| AC_CHECK_TYPES([long long]) # probably defined everywhere, but... |
| |
| # These are 'only' needed for unittests |
| AC_CHECK_HEADERS(sys/resource.h unistd.h sys/time.h sys/utsname.h) |
| |
| # If you have google-perftools installed, we can do a bit more testing. |
| # We not only want to set HAVE_MALLOC_EXTENSION_H, we also want to set |
| # a variable to let the Makefile to know to link in tcmalloc. |
| AC_LANG([C++]) |
| AC_CHECK_HEADERS(google/malloc_extension.h, |
| tcmalloc_libs=-ltcmalloc, |
| tcmalloc_libs=) |
| # On some systems, when linking in tcmalloc you also need to link in |
| # pthread. That's a bug somewhere, but we'll work around it for now. |
| tcmalloc_flags="" |
| if test -n "$tcmalloc_libs"; then |
| ACX_PTHREAD |
| tcmalloc_flags="\$(PTHREAD_CFLAGS)" |
| tcmalloc_libs="$tcmalloc_libs \$(PTHREAD_LIBS)" |
| fi |
| AC_SUBST(tcmalloc_flags) |
| AC_SUBST(tcmalloc_libs) |
| |
| # Figure out where hash_map lives and also hash_fun.h (or stl_hash_fun.h). |
| # This also tells us what namespace hash code lives in. |
| AC_CXX_STL_HASH |
| AC_CXX_STL_HASH_FUN |
| |
| # Find out what namespace 'normal' STL code lives in, and also what namespace |
| # the user wants our classes to be defined in |
| AC_CXX_STL_NAMESPACE |
| AC_DEFINE_GOOGLE_NAMESPACE(google) |
| |
| # In unix-based systems, hash is always defined as hash<> (in namespace. |
| # HASH_NAMESPACE.) So we can use a simple AC_DEFINE here. On |
| # windows, and possibly on future unix STL implementations, this |
| # macro will evaluate to something different.) |
| AC_DEFINE(SPARSEHASH_HASH_NO_NAMESPACE, hash, |
| [The system-provided hash function, in namespace HASH_NAMESPACE.]) |
| |
| # Do *not* define this in terms of SPARSEHASH_HASH_NO_NAMESPACE, because |
| # SPARSEHASH_HASH is exported to sparseconfig.h, but S_H_NO_NAMESPACE isn't. |
| AC_DEFINE(SPARSEHASH_HASH, HASH_NAMESPACE::hash, |
| [The system-provided hash function including the namespace.]) |
| |
| |
| # Write generated configuration file |
| AC_CONFIG_FILES([Makefile]) |
| AC_OUTPUT |
