diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 189 |
1 files changed, 148 insertions, 41 deletions
diff --git a/configure.ac b/configure.ac index a06c3e49fc25d..a68d9a4e3da23 100644 --- a/configure.ac +++ b/configure.ac @@ -31,6 +31,7 @@ undefine([expat_version]) AC_CONFIG_SRCDIR(Makefile.in) AC_CONFIG_AUX_DIR(conftools) +AM_INIT_AUTOMAKE AC_CONFIG_MACRO_DIR([m4]) @@ -46,9 +47,10 @@ dnl If the API changes incompatibly set LIBAGE back to 0 dnl LIBCURRENT=7 # sync -LIBREVISION=2 # with +LIBREVISION=8 # with LIBAGE=6 # CMakeLists.txt! +CPPFLAGS="${CPPFLAGS} -DHAVE_EXPAT_CONFIG_H" AC_CONFIG_HEADER(expat_config.h) sinclude(conftools/ac_c_bigendian_cross.m4) @@ -61,7 +63,7 @@ AC_SUBST(LIBREVISION) AC_SUBST(LIBAGE) dnl Checks for programs. -AC_PROG_CC +AC_PROG_CC_C99 AC_PROG_CXX AC_PROG_INSTALL @@ -80,6 +82,10 @@ if test "$GCC" = yes ; then if test "x$CXXFLAGS" = x ; then CXXFLAGS=`echo "$CFLAGS" | sed 's/ -Wmissing-prototypes -Wstrict-prototypes//'` fi + + CFLAGS="${CFLAGS} -fno-strict-aliasing" + CXXFLAGS="${CXXFLAGS} -fno-strict-aliasing" + LDFLAGS="${LDFLAGS} -fno-strict-aliasing" fi dnl Checks for header files. @@ -95,6 +101,96 @@ AC_C_CONST AC_TYPE_SIZE_T AC_CHECK_FUNCS(memmove bcopy) + +AC_ARG_WITH([xmlwf], [ +AS_HELP_STRING([--without-xmlwf], [do not build xmlwf])], [], [with_xmlwf=yes]) +AM_CONDITIONAL([WITH_XMLWF], [test x${with_xmlwf} = xyes]) + +AM_CONDITIONAL([MINGW], [echo -- "${host}" | ${FGREP} mingw >/dev/null]) +AM_CONDITIONAL([UNICODE], [echo -- "${CPPFLAGS}${CFLAGS}" | ${FGREP} XML_UNICODE >/dev/null]) + + +AC_ARG_WITH([libbsd], [ +AS_HELP_STRING([--with-libbsd], [utilize libbsd (for arc4random_buf)]) +], [], [with_libbsd=no]) +AS_IF([test "x${with_libbsd}" != xno], [ + AC_CHECK_LIB([bsd], [arc4random_buf], [], [ + AS_IF([test "x${with_libbsd}" = xyes], [ + AC_MSG_ERROR([Enforced use of libbsd cannot be satisfied.]) + ]) + ]) +]) +AC_MSG_CHECKING([for arc4random_buf (BSD or libbsd)]) +AC_LINK_IFELSE([AC_LANG_SOURCE([ + #include <stdlib.h> /* for arc4random_buf on BSD, for NULL */ + #if defined(HAVE_LIBBSD) + # include <bsd/stdlib.h> + #endif + int main() { + arc4random_buf(NULL, 0U); + return 0; + } +])], [ + AC_DEFINE([HAVE_ARC4RANDOM_BUF], [1], + [Define to 1 if you have the `arc4random_buf' function.]) + AC_MSG_RESULT([yes]) +], [ + AC_MSG_RESULT([no]) + + AC_MSG_CHECKING([for arc4random (BSD, macOS or libbsd)]) + AC_LINK_IFELSE([AC_LANG_SOURCE([ + #if defined(HAVE_LIBBSD) + # include <bsd/stdlib.h> + #else + # include <stdlib.h> + #endif + int main() { + arc4random(); + return 0; + } + ])], [ + AC_DEFINE([HAVE_ARC4RANDOM], [1], + [Define to 1 if you have the `arc4random' function.]) + AC_MSG_RESULT([yes]) + ], [ + AC_MSG_RESULT([no]) + ]) +]) + + +AC_MSG_CHECKING([for getrandom (Linux 3.17+, glibc 2.25+)]) +AC_LINK_IFELSE([AC_LANG_SOURCE([ + #include <stdlib.h> /* for NULL */ + #include <sys/random.h> + int main() { + return getrandom(NULL, 0U, 0U); + } +])], [ + AC_DEFINE([HAVE_GETRANDOM], [1], + [Define to 1 if you have the `getrandom' function.]) + AC_MSG_RESULT([yes]) +], [ + AC_MSG_RESULT([no]) + + AC_MSG_CHECKING([for syscall SYS_getrandom (Linux 3.17+)]) + AC_LINK_IFELSE([AC_LANG_SOURCE([ + #include <stdlib.h> /* for NULL */ + #include <unistd.h> /* for syscall */ + #include <sys/syscall.h> /* for SYS_getrandom */ + int main() { + syscall(SYS_getrandom, NULL, 0, 0); + return 0; + } + ])], [ + AC_DEFINE([HAVE_SYSCALL_GETRANDOM], [1], + [Define to 1 if you have `syscall' and `SYS_getrandom'.]) + AC_MSG_RESULT([yes]) + ], [ + AC_MSG_RESULT([no]) + ]) +]) + + dnl Only needed for xmlwf: AC_CHECK_HEADERS(fcntl.h unistd.h) AC_TYPE_OFF_T @@ -107,51 +203,62 @@ else fi AC_SUBST(FILEMAP) -dnl Needed for the test support code; this was found at -dnl http://lists.gnu.org/archive/html/bug-autoconf/2002-07/msg00028.html - -# AC_CPP_FUNC -# ------------------ # -# Checks to see if ANSI C99 CPP variable __func__ works. -# If not, perhaps __FUNCTION__ works instead. -# If not, we'll just define __func__ to "". -AC_DEFUN([AC_CPP_FUNC], -[AC_REQUIRE([AC_PROG_CC_STDC])dnl -AC_CACHE_CHECK([for an ANSI C99-conforming __func__], ac_cv_cpp_func, -[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], -[[char *foo = __func__;]])], - [ac_cv_cpp_func=yes], - [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], -[[char *foo = __FUNCTION__;]])], - [ac_cv_cpp_func=__FUNCTION__], - [ac_cv_cpp_func=no])])]) -if test $ac_cv_cpp_func = __FUNCTION__; then - AC_DEFINE(__func__,__FUNCTION__, - [Define to __FUNCTION__ or "" if `__func__' does not conform to -ANSI C.]) -elif test $ac_cv_cpp_func = no; then - AC_DEFINE(__func__,"", - [Define to __FUNCTION__ or "" if `__func__' does not conform to -ANSI C.]) -fi -])# AC_CPP_FUNC - -AC_CPP_FUNC - dnl Some basic configuration: AC_DEFINE([XML_NS], 1, [Define to make XML Namespaces functionality available.]) AC_DEFINE([XML_DTD], 1, [Define to make parameter entity parsing functionality available.]) -AC_DEFINE([XML_CONTEXT_BYTES], 1024, - [Define to specify how much context to retain around the current parse point.]) +AC_DEFINE([XML_DEV_URANDOM], 1, + [Define to include code reading entropy from `/dev/urandom'.]) + +AC_ARG_ENABLE([xml-context], + AS_HELP_STRING([--enable-xml-context @<:@COUNT@:>@], + [Retain context around the current parse point; + default is enabled and a size of 1024 bytes]) +AS_HELP_STRING([--disable-xml-context], + [Do not retain context around the current parse point]), + [enable_xml_context=${enableval}]) +AS_IF([test "x${enable_xml_context}" != "xno"], [ + AS_IF([test "x${enable_xml_context}" = "xyes" \ + -o "x${enable_xml_context}" = "x"], [ + enable_xml_context=1024 + ]) + AC_DEFINE_UNQUOTED([XML_CONTEXT_BYTES], [${enable_xml_context}], + [Define to specify how much context to retain around the current parse point.]) +]) + +AC_ARG_WITH([docbook], [AS_HELP_STRING([--with-docbook], + [enforce XML to man page compilation @<:@default=check@:>@]) +AS_HELP_STRING([--without-docbook], + [skip XML to man page compilation @<:@default=check@:>@])], + [], + [with_docbook=check]) + +AC_ARG_VAR([DOCBOOK_TO_MAN], [docbook2x-man command]) +AS_IF([test "x$with_docbook" != xno], + [AC_CHECK_PROGS([DOCBOOK_TO_MAN], [docbook2x-man db2x_docbook2man docbook2man docbook-to-man])]) +AS_IF([test "x${DOCBOOK_TO_MAN}" = x -a "x$with_docbook" = xyes], + [AC_MSG_ERROR([Required program 'docbook2x-man' not found.])]) +AS_IF([test "x${DOCBOOK_TO_MAN}" != x -a "x$with_docbook" != xno], + [AS_IF([${DOCBOOK_TO_MAN} --help | grep -i -q -F sgmlbase], + [AC_MSG_ERROR([Your local ${DOCBOOK_TO_MAN} was found to work with SGML rather + than XML. Please install docbook2X and use variable DOCBOOK_TO_MAN to point + configure to command docbook2x-man of docbook2X. + Or use DOCBOOK_TO_MAN="xmlto man --skip-validation" if you have xmlto around. + You can also configure using --without-docbook if you can do without a man + page for xmlwf.])])]) + +AM_CONDITIONAL(WITH_DOCBOOK, [test "x${DOCBOOK_TO_MAN}" != x]) AC_CONFIG_FILES([Makefile expat.pc]) +AC_CONFIG_FILES([ + doc/Makefile + examples/Makefile + lib/Makefile + tests/Makefile + tests/benchmark/Makefile + xmlwf/Makefile +]) +AC_CONFIG_FILES([run.sh], [chmod +x run.sh]) AC_OUTPUT - -abs_srcdir="`cd $srcdir && pwd`" -abs_builddir="`pwd`" -if test "$abs_srcdir" != "$abs_builddir"; then - make mkdir-init -fi |