diff options
Diffstat (limited to 'src/minisketch/configure.ac')
| -rw-r--r-- | src/minisketch/configure.ac | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/src/minisketch/configure.ac b/src/minisketch/configure.ac new file mode 100644 index 0000000000..9dc66e7fd2 --- /dev/null +++ b/src/minisketch/configure.ac @@ -0,0 +1,162 @@ +AC_INIT([minisketch], [0.0.1], [http://github.com/sipa/minisketch/]) + +m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) + +AC_PREREQ(2.60) +AC_CONFIG_SRCDIR([src/minisketch.cpp]) +AC_CONFIG_AUX_DIR([build-aux]) +AC_CONFIG_MACRO_DIR([build-aux/m4]) +AM_INIT_AUTOMAKE([subdir-objects foreign]) + +LT_INIT +LT_LANG([C++]) +AC_LANG([C++]) + +AC_PATH_PROG(CCACHE,ccache) + +AC_ARG_ENABLE([ccache], + [AS_HELP_STRING([--disable-ccache], + [do not use ccache for building (default is to use if found)])], + [use_ccache=$enableval], + [use_ccache=auto]) + +AC_ARG_ENABLE(tests, + AS_HELP_STRING([--enable-tests],[compile tests (default is yes)]), + [use_tests=$enableval], + [use_tests=yes]) + +AC_ARG_ENABLE(benchmark, + AS_HELP_STRING([--enable-benchmark],[compile benchmark (default is no)]), + [use_benchmark=$enableval], + [use_benchmark=no]) + +m4_define([SUPPORTED_FIELDS], [2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64]) + +AC_MSG_CHECKING([which field sizes to build]) +AC_ARG_ENABLE([fields], AS_HELP_STRING([--enable-fields=LIST], [Comma-separated list of field sizes to build. Default=all. Available sizes:] m4_translit(m4_defn([SUPPORTED_FIELDS]), [,], [ ])), [], [enable_fields=SUPPORTED_FIELDS]) +have_disabled_fields=no +have_enabled_fields=no +m4_foreach([FIELD], [SUPPORTED_FIELDS], [ + case ",$enable_fields," in + *,FIELD,*) + have_enabled_fields=yes + ;; + *) + AC_DEFINE(DISABLE_FIELD_[]FIELD, [1], + [Define to 1 to remove support for field size] FIELD [.]) + have_disabled_fields=yes + ;; + esac +]) +AC_MSG_RESULT([$enable_fields]) +if test "x$have_enabled_fields" = xno; then + AC_MSG_ERROR([No field sizes are enabled.]) +fi + +AX_CHECK_COMPILE_FLAG([-Werror],[CXXFLAG_WERROR="-Werror"],[CXXFLAG_WERROR=""]) + +AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory]) +enable_clmul= +AX_CHECK_COMPILE_FLAG([-mpclmul],[[enable_clmul=yes]],,[[$CXXFLAG_WERROR]],[AC_LANG_PROGRAM([ + #include <stdint.h> + #include <x86intrin.h> +], [ + __m128i a = _mm_cvtsi64_si128((uint64_t)7); + __m128i b = _mm_clmulepi64_si128(a, a, 37); + __m128i c = _mm_srli_epi64(b, 41); + __m128i d = _mm_xor_si128(b, c); + uint64_t e = _mm_cvtsi128_si64(d); + return e == 0; +])]) +if test x$enable_clmul = xyes; then + CLMUL_CXXFLAGS="-mpclmul" + AC_DEFINE(HAVE_CLMUL, 1, [Define this symbol if clmul instructions can be used]) +fi + + +AC_MSG_CHECKING(for working clz builtins) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [ + unsigned a = __builtin_clz(1); + unsigned long b = __builtin_clzl(1); + unsigned long long c = __builtin_clzll(1); + ])], + [ + AC_DEFINE(HAVE_CLZ, 1, [Define this symbol if clz builtins are present and working]) + AC_MSG_RESULT(yes) + ],[ + AC_MSG_RESULT(no) + ] +) + +AX_CHECK_LINK_FLAG([[-Wl,--exclude-libs,ALL]],[LDFLAGS="-Wl,--exclude-libs,ALL $LDFLAGS"]) + +case $host in + *mingw*) + dnl -static is interpreted by libtool, where it has a different meaning. + dnl In libtool-speak, it's -all-static. + AX_CHECK_LINK_FLAG([[-static]],[LIBTOOL_APP_LDFLAGS="$LIBTOOL_APP_LDFLAGS -all-static"]) + ;; + *) + AX_CHECK_LINK_FLAG([[-static]],[LIBTOOL_APP_LDFLAGS="-static"]) + ;; +esac + +AX_CHECK_COMPILE_FLAG([-Wall],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wall"],,[[$CXXFLAG_WERROR]]) +AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],[CXXFLAGS="$CXXFLAGS -fvisibility=hidden"],[],[$CXXFLAG_WERROR]) + +## Some compilers (gcc) ignore unknown -Wno-* options, but warn about all +## unknown options if any other warning is produced. Test the -Wfoo case, and +## set the -Wno-foo case if it works. +AX_CHECK_COMPILE_FLAG([-Wshift-count-overflow],[NOWARN_CXXFLAGS="$NOWARN_CXXFLAGS -Wno-shift-count-overflow"],,[[$CXXFLAG_WERROR]]) + +if test "x$use_ccache" != "xno"; then + AC_MSG_CHECKING(if ccache should be used) + if test x$CCACHE = x; then + if test "x$use_ccache" = "xyes"; then + AC_MSG_ERROR([ccache not found.]); + else + use_ccache=no + fi + else + use_ccache=yes + CC="$ac_cv_path_CCACHE $CC" + CXX="$ac_cv_path_CCACHE $CXX" + fi + AC_MSG_RESULT($use_ccache) +fi +if test "x$use_ccache" = "xyes"; then + AX_CHECK_COMPILE_FLAG([-Qunused-arguments],[NOWARN_CXXFLAGS="$NOWARN_CXXFLAGS -Qunused-arguments"],,[[$CXXFLAG_WERROR]]) +fi + +VERIFY_DEFINES=-DMINISKETCH_VERIFY +RELEASE_DEFINES= + +AC_CONFIG_FILES([ + Makefile +]) + +AC_SUBST(CLMUL_CXXFLAGS) +AC_SUBST(WARN_CXXFLAGS) +AC_SUBST(NOWARN_CXXFLAGS) +AC_SUBST(VERIFY_DEFINES) +AC_SUBST(RELEASE_DEFINES) +AC_SUBST(LIBTOOL_APP_LDFLAGS) +AM_CONDITIONAL([ENABLE_CLMUL],[test x$enable_clmul = xyes]) +AM_CONDITIONAL([USE_BENCHMARK], [test x"$use_benchmark" = x"yes"]) +AM_CONDITIONAL([USE_TESTS], [test x"$use_tests" != x"no"]) +AC_OUTPUT + +echo +echo "Build Options:" +echo " with benchmarks = $use_benchmark" +echo " with tests = $use_tests" +echo " enable clmul fields = $enable_clmul" +echo " CXX = $CXX" +echo " CXXFLAGS = $CXXFLAGS" +echo " CPPFLAGS = $CPPFLAGS" +echo " LDFLAGS = $LDFLAGS" +if test "$have_disabled_fields" = "yes"; then +echo +echo "Only compiling in support for field sizes: $enable_fields" +echo "WARNING: this means the library will lack support for other field sizes entirely" +fi |