fix: document proper Bison version requirement

[babeltrace.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 89884d973eb7b7bc85b4a0024bfe6b97a35db7ea..b343a3c4c07c10a51d098efec1ac6cdc53f4cdc0 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -211,12 +211,12 @@ AX_PROG_BISON_VERSION([2.5], [have_bison=yes])
 AS_IF([test "x$have_bison" != "xyes"], [
   AE_IF_IN_GIT_REPO([
     AC_MSG_FAILURE([dnl
-Bison >= 2.4 is required when building from the Git repository. You can
+Bison >= 2.5 is required when building from the Git repository. You can
 set the YACC variable to override automatic detection.
     ])
   ], [
     AC_MSG_WARN([dnl
-Missing Bison >= 2.4. Note that the parser files are already built in
+Missing Bison >= 2.5. Note that the parser files are already built in
 this distribution tarball, so Bison is only needed if you intend to
 modify their sources. You can set the YACC variable to override automatic
 detection.
@@ -538,6 +538,16 @@ AS_IF([AE_IS_FEATURE_ENABLED([python-bindings]) || AE_IS_FEATURE_ENABLED([python
   AS_IF([test "x$have_python_dev" = xno], [
     AC_MSG_ERROR([Cannot find a suitable python-config. You can override the python-config path with the PYTHON_CONFIG environment variable.])
   ])
+
+  AX_COMPARE_VERSION(["$PYTHON_VERSION"], [ge], ["3.12"], [
+    AC_MSG_CHECKING([for python setuptools])
+    AS_IF(["$PYTHON" -c "import setuptools" 2>/dev/null], [
+      AC_MSG_RESULT([yes])
+    ], [
+      AC_MSG_RESULT([no])
+      AC_MSG_ERROR([Python >= 3.12 removed 'distutils', the 'setuptools' module needs to be installed for the selected interpreter.])
+    ])
+  ])
 ])
 
 AE_IF_FEATURE_ENABLED([python-bindings-doc],
@@ -649,8 +659,8 @@ AE_IF_FEATURE_ENABLED([asan], [
 
 # CFLAGS from libraries (the glib ones are needed for the following sizeof
 # test).
-AM_CFLAGS="${PTHREAD_CFLAGS} ${GLIB_CFLAGS} ${ASAN_CFLAGS}"
-AM_CXXFLAGS="${PTHREAD_CFLAGS} ${GLIB_CFLAGS} ${ASAN_CXXFLAGS}"
+AM_CFLAGS="-fvisibility=hidden ${PTHREAD_CFLAGS} ${GLIB_CFLAGS} ${ASAN_CFLAGS}"
+AM_CXXFLAGS="-fvisibility=hidden -fvisibility-inlines-hidden ${PTHREAD_CFLAGS} ${GLIB_CFLAGS} ${ASAN_CXXFLAGS}"
 AM_LDFLAGS="${ASAN_LDFLAGS}"
 
 # Check that the current size_t matches the size that glib thinks it should
@@ -704,6 +714,7 @@ m4_define([WARN_FLAGS_LIST], [ dnl
   dnl Clang's does not.  Enable Clang's `-Wshadow-field-in-constructor`, to make
   dnl Clang warn about that.
   -Wshadow-field-in-constructor dnl
+  -Wshadow-field dnl
   -Wjump-misses-init dnl
   -Wsuggest-attribute=format dnl
   -Wtautological-constant-out-of-range-compare dnl