New configure option: --enable-ubsan.
[paraslash.git] / configure.ac
index 83375559516396cf3a052fbc4f90871a344f732b..850e814f21cbe3601441f3f625a712290b7d3015 100644 (file)
@@ -46,17 +46,21 @@ AC_DEFUN([LIB_SUBST_FLAGS], [
        AC_SUBST($1_cppflags)
        AC_SUBST($1_ldflags)
 ])
+AC_DEFUN([REQUIRE_EXECUTABLE], [
+        AC_PATH_PROG(m4_toupper([$1]), [$1])
+        test -z "$m4_toupper([$1])" && AC_MSG_ERROR(
+               [$1 is required to build this package])
+])
 
 AC_USE_SYSTEM_EXTENSIONS
 AC_C_BIGENDIAN()
-
-AC_PATH_PROG([M4], [m4])
-test -z "$M4" && AC_MSG_ERROR(
-       [The m4 macro processor is required to build this package])
-
 AC_PROG_CC
 AC_PROG_CPP
 
+REQUIRE_EXECUTABLE([bison])
+REQUIRE_EXECUTABLE([flex])
+REQUIRE_EXECUTABLE([m4])
+
 executables="recv filter audioc write afh play"
 ########################################################################### osl
 STASH_FLAGS
@@ -92,8 +96,33 @@ AC_CHECK_HEADER(openssl/ssl.h, [], [HAVE_OPENSSL=no])
 AC_CHECK_LIB([crypto], [RAND_bytes], [], [HAVE_OPENSSL=no])
 LIB_SUBST_FLAGS(openssl)
 if test $HAVE_OPENSSL = yes; then
-       AC_CHECK_LIB([crypto], [RSA_set0_key],
-               AC_DEFINE([HAVE_RSA_SET0_KEY], [1], [openssl-1.1]))
+       HAVE_RSA_SET0_KEY=yes
+       AC_CHECK_DECL([RSA_set0_key], [], [], [#include <openssl/rsa.h>])
+       AC_CHECK_LIB([crypto], [RSA_set0_key], [], [])
+       if test "$ac_cv_have_decl_RSA_set0_key" != "$ac_cv_lib_crypto_RSA_set0_key"; then
+               AC_MSG_ERROR([openssl header/library mismatch])
+       fi
+       test "$ac_cv_have_decl_RSA_set0_key" = yes &&
+               AC_DEFINE([HAVE_RSA_SET0_KEY], [1], [openssl >= 1.1])
+
+       HAVE_CRYPTO_CLEANUP_ALL_EX_DATA=yes
+       AC_CHECK_DECL([CRYPTO_cleanup_all_ex_data], [],
+               [HAVE_CRYPTO_CLEANUP_ALL_EX_DATA=no],
+               [#include <openssl/rsa.h>])
+       AC_CHECK_LIB([crypto], [CRYPTO_cleanup_all_ex_data], [],
+               [HAVE_CRYPTO_CLEANUP_ALL_EX_DATA=no])
+       test $HAVE_CRYPTO_CLEANUP_ALL_EX_DATA = yes &&
+               AC_DEFINE([HAVE_CRYPTO_CLEANUP_ALL_EX_DATA], [1],
+                       [not available on FreeBSD 12])
+       HAVE_OPENSSL_THREAD_STOP=yes
+       AC_CHECK_DECL([OPENSSL_thread_stop], [],
+               [HAVE_OPENSSL_THREAD_STOP=no],
+               [#include <openssl/crypto.h>])
+       AC_CHECK_LIB([crypto], [OPENSSL_thread_stop], [],
+               [HAVE_OPENSSL_THREAD_STOP=no])
+       test $HAVE_OPENSSL_THREAD_STOP = yes &&
+               AC_DEFINE([HAVE_OPENSSL_THREAD_STOP], [1],
+                       [not available on openssl-1.0])
 fi
 UNSTASH_FLAGS
 ######################################################################### gcrypt
@@ -169,6 +198,17 @@ AC_CHECK_TYPE([struct ucred], [
        #include <sys/types.h>
        #include <sys/socket.h>
 ])
+################################################################### FNM_EXTMATCH
+AC_MSG_CHECKING(for extended wildcard pattern matching)
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+       #include <fnmatch.h>
+]], [[
+       unsigned n = FNM_EXTMATCH;
+]])], [have_fnm_extmatch=yes], [have_fnm_extmatch=no])
+AC_MSG_RESULT($have_fnm_extmatch)
+if test $have_fnm_extmatch = yes; then
+       AC_DEFINE(HAVE_FNM_EXTMATCH, 1, define to 1 if FNM_EXTMATCH is defined)
+fi
 ########################################################################### curses
 STASH_FLAGS
 LIB_ARG_WITH([curses], [])
@@ -333,8 +373,14 @@ AC_CHECK_HEADER(samplerate.h, [], HAVE_SAMPLERATE=no)
 AC_CHECK_LIB([samplerate], [src_process], [], HAVE_SAMPLERATE=no)
 LIB_SUBST_FLAGS(samplerate)
 UNSTASH_FLAGS
+######################################################################### ubsan
+AC_ARG_ENABLE([ubsan], [AS_HELP_STRING(--enable-ubsan,
+       [Detect and report undefined behaviour.])],
+       [ENABLE_UBSAN=yes], [ENABLE_UBSAN=no])
+AC_SUBST(ENABLE_UBSAN)
 ######################################################################### server
-if test -n "$CRYPTOLIB" && test $HAVE_OSL = yes; then
+if test -n "$CRYPTOLIB" && test $HAVE_OSL = yes && test -n "$BISON" && \
+               test -n "$FLEX"; then
        build_server="yes"
        executables="$executables server"
        server_errlist_objs="
@@ -361,6 +407,7 @@ if test -n "$CRYPTOLIB" && test $HAVE_OSL = yes; then
                afs
                aft
                mood
+               mp
                score
                attribute
                blob
@@ -375,9 +422,10 @@ if test -n "$CRYPTOLIB" && test $HAVE_OSL = yes; then
                wma_common
                sideband
                version
+               lsu
        "
        if test "$CRYPTOLIB" = openssl; then
-               server_errlist_objs="$server_errlist_objs crypt"
+               server_errlist_objs="$server_errlist_objs openssl"
        else
                server_errlist_objs="$server_errlist_objs gcrypt"
        fi
@@ -403,6 +451,7 @@ if test -n "$CRYPTOLIB"; then
                net
                string
                fd
+               lsu
                sched
                stdin
                stdout
@@ -415,7 +464,7 @@ if test -n "$CRYPTOLIB"; then
                version
        "
        if test "$CRYPTOLIB" = openssl; then
-               client_errlist_objs="$client_errlist_objs crypt"
+               client_errlist_objs="$client_errlist_objs openssl"
        else
                client_errlist_objs="$client_errlist_objs gcrypt"
        fi
@@ -469,9 +518,10 @@ if test -n "$CRYPTOLIB"; then
                wmadec_filter
                buffer_tree
                sync_filter
+               lsu
        "
        if test "$CRYPTOLIB" = openssl; then
-               audiod_errlist_objs="$audiod_errlist_objs crypt"
+               audiod_errlist_objs="$audiod_errlist_objs openssl"
        else
                audiod_errlist_objs="$audiod_errlist_objs gcrypt"
        fi
@@ -526,7 +576,7 @@ fi
 if test $HAVE_OSS = yes -o $HAVE_ALSA = yes; then
        build_mixer="yes"
        executables="$executables mixer"
-       mixer_errlist_objs="mixer exec string fd version"
+       mixer_errlist_objs="mixer exec string fd lsu version"
        if test $HAVE_OSS = yes; then
                mixer_errlist_objs="$mixer_errlist_objs oss_mix"
        fi
@@ -552,6 +602,7 @@ if test $HAVE_CURSES = yes; then
                fd
                gui
                gui_theme
+               lsu
                time
                sched
                version
@@ -576,6 +627,7 @@ filter_errlist_objs="
        amp_filter
        fecdec_filter
        fec
+       lsu
        version
        prebuffer_filter
        time
@@ -705,6 +757,7 @@ play_errlist_objs="
        file_write
        version
        sync_filter
+       lsu
 "
 NEED_OGG_OBJECTS && play_errlist_objs="$play_errlist_objs ogg_afh_common"
 NEED_VORBIS_OBJECTS && {
@@ -776,6 +829,7 @@ AC_SUBST(write_objs, add_dot_o($write_objs))
 audioc_errlist_objs="
        audioc
        string
+       lsu
        net
        fd
        version