Imported Upstream version 3.22upstream/3.22

1 files changed, 124 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..4b9092f
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,124 @@
+AC_INIT([libHX], [3.22])
+AC_CONFIG_AUX_DIR([build-aux])
+AC_CONFIG_HEADERS([config.h])
+AC_CONFIG_MACRO_DIR([m4])
+AC_PROG_INSTALL
+AM_INIT_AUTOMAKE([-Wall -Wno-override foreign subdir-objects
+	tar-pax no-dist-gzip dist-xz])
+AC_PROG_CC
+AM_PROG_CC_C_O
+AC_PROG_CXX
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
+AC_DISABLE_STATIC
+AC_LIBTOOL_DLOPEN
+AM_PROG_LIBTOOL
+
+#
+# Check whether there really is a C++ compiler.
+# It is not mandatory to compile libHX, but we want to know.
+#
+AC_LANG_PUSH([C++])
+AC_COMPILE_IFELSE(
+	[AC_LANG_PROGRAM([], [return 0;])],
+	[ac_cv_cxx=yes], [ac_cv_cxx=no])
+AC_LANG_POP([C++])
+AM_CONDITIONAL([HAVE_CXX], [test "$ac_cv_cxx" = yes])
+
+AC_MSG_CHECKING([for mingw32])
+AC_LANG_PUSH([C])
+AC_COMPILE_IFELSE(
+	[AC_LANG_PROGRAM([], [return __MINGW32__;])],
+	[ac_cv_mingw32=yes; AC_MSG_RESULT([yes])],
+	[ac_cv_mingw32=no; AC_MSG_RESULT([no])]
+)
+AC_LANG_POP([C])
+AM_CONDITIONAL([MINGW32], [test "$ac_cv_mingw32" = yes])
+
+AC_ARG_WITH([pkgconfigdir], AS_HELP_STRING([--with-pkgconfigdir=PATH],
+	[Path to the pkgconfig directory [[LIBDIR/pkgconfig]]]),
+	[pkgconfigdir="$withval"], [pkgconfigdir='${libdir}/pkgconfig'])
+AC_SUBST([pkgconfigdir])
+
+CHECK_GCC_FVISIBILITY
+AM_CONDITIONAL([WITH_GNU_LD], [test "$with_gnu_ld" = yes])
+
+LIBS_system="$LIBS"
+AC_CHECK_HEADERS([dlfcn.h])
+AM_CONDITIONAL([HAVE_DLFCN_H], [test "$ac_cv_header_dlfcn_h" = "yes"])
+AC_SEARCH_LIBS([dlopen], [dl], [libdl_LIBS="$LIBS"; LIBS="$LIBS_system"])
+AC_SUBST([libdl_LIBS])
+# glibc < 2.17 has it in librt, mingw-w64 has it in libpthread
+AC_SEARCH_LIBS([clock_gettime], [rt pthread], [librt_LIBS="$LIBS"; LIBS="$LIBS_system"])
+AC_SUBST([librt_LIBS])
+AC_SEARCH_LIBS([pthread_mutex_lock], [pthread], [libpthread_LIBS="$LIBS"; LIBS="$LIBS_system"])
+AC_SUBST([libpthread_LIBS])
+
+libsocket_ok=0
+AC_SEARCH_LIBS([getaddrinfo], [socket],
+	[libsocket_LIBS="$LIBS"; LIBS="$LIBS_system"; libsocket_ok=1], [])
+if test $libsocket_ok = 0; then
+	dnl socket: Need to distinguish between "none required" and
+	dnl "no"(ne found), and only in the latter case try ws2_32.
+	dnl
+	dnl AC_SEARCH_LIBS is too dumb, we really need the ws2tcpip
+	dnl include to get a functional prototype (which is stdcall, sadly)
+	dnl for successful linking.
+	AC_MSG_CHECKING([non-standard libraries containing getaddrinfo])
+	LIBS="$LIBS_system -lws2_32";
+	AC_LINK_IFELSE([AC_LANG_SOURCE([
+		#include <winsock2.h>
+		#include <ws2tcpip.h>
+		int main(void) { return getaddrinfo(NULL, NULL, NULL, NULL); }
+	])], [
+		AC_MSG_RESULT([-lws2_32])
+		libsocket_LIBS="$libsocket_LIBS $LIBS";
+	], [
+		AC_MSG_RESULT([no])
+	])
+	LIBS="$LIBS_system";
+fi;
+AC_SUBST([libsocket_LIBS])
+
+AC_CHECK_SIZEOF([void *])
+AC_CHECK_SIZEOF([char *])
+AC_CHECK_SIZEOF([struct x *])
+AC_CHECK_SIZEOF([struct x **])
+if test "$ac_cv_sizeof_void_p" != "$ac_cv_sizeof_char_p" ||
+   test "$ac_cv_sizeof_struct_x_p" != "$ac_cv_sizeof_struct_x_pp"; then
+	# format.c: reinterpret_cast(hxmc_t **, HXdeque_to_vec(...))
+	# map.c: reinterpret_cast(struct HXrbtree_node *, &btree->root);
+	AC_MSG_ERROR([The code currently relies on certain type sizes to take shortcuts.])
+fi;
+
+AC_CHECK_MEMBERS(
+	[struct timespec.tv_nsec,
+	struct timeval.tv_usec,
+	struct stat.st_mtimensec, struct stat.st_mtim,
+	struct stat.st_mtimespec, struct stat.st_mtime,
+	struct stat.st_otimensec, struct stat.st_otim,
+	struct stat.st_otimespec, struct stat.st_otime],
+	[], [], [
+	#include <sys/stat.h>
+	#include <sys/time.h>
+	#include <time.h>
+	])
+AC_CHECK_FUNCS([fork execv execvp pipe], [b_proc="1"])
+AC_CHECK_FUNCS([getegid geteuid getpid getppid])
+AM_CONDITIONAL([B_PROC], [test "$b_proc" = 1])
+
+AC_CHECK_PROGS([LYX], [lyx])
+AM_CONDITIONAL([BUILD_DOCS], [test -n "$LYX"])
+
+regular_CPPFLAGS="-D_FILE_OFFSET_BITS=64 -D_REENTRANT"
+regular_CFLAGS="-Wall -Waggregate-return -Wmissing-declarations \
+	-Wmissing-prototypes -Wredundant-decls -Wshadow -Wstrict-prototypes \
+	-Wformat=2 -pipe $visibility_CFLAGS"
+regular_CXXFLAGS="-Wall -Wno-pointer-arith -Wredundant-decls -pipe \
+	$visibility_CFLAGS";
+AC_SUBST([regular_CPPFLAGS])
+AC_SUBST([regular_CFLAGS])
+AC_SUBST([regular_CXXFLAGS])
+AC_CONFIG_FILES([Makefile assorted/Makefile doc/Makefile src/Makefile
+	include/Makefile libHX.pc])
+AC_OUTPUT