## ##
MINGW32=no
-DEFAULT_ENABLE_DEBUG_INFO=yes
LT_NO_UNDEFINED=""
AS_CASE([$host_os],
[solaris*|darwin*],
[
- DEFAULT_ENABLE_DEBUG_INFO=no
+ AE_FEATURE_DISABLE([debug-info])
],
[freebsd*],
[
- DEFAULT_ENABLE_DEBUG_INFO=no
+ AE_FEATURE_DISABLE([debug-info])
],
[cygwin*],
[
- DEFAULT_ENABLE_DEBUG_INFO=no
+ AE_FEATURE_DISABLE([debug-info])
LT_NO_UNDEFINED="-no-undefined"
],
[mingw*],
[
MINGW32=yes
- DEFAULT_ENABLE_DEBUG_INFO=no
+ AE_FEATURE_DISABLE([debug-info])
LT_NO_UNDEFINED="-no-undefined"
]
)
## ##
# Choose the c compiler
-AC_PROG_CC_STDC
+AC_PROG_CC
+m4_version_prereq([2.70], [], [AC_PROG_CC_STDC])
# Make sure the c compiler supports C99
AS_IF([test "$ac_cv_prog_cc_c99" = "no"], [AC_MSG_ERROR([The compiler does not support C99])])
AC_CHECK_TYPES([ptrdiff_t])
+## ##
+## C++ compiler checks ##
+## ##
+
+# Require a C++11 compiler without GNU extensions (-std=c++11)
+AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory])
+
+
## ##
## Header checks ##
## ##
]
)
+# Check if the linker supports the "notext" keyword
+AX_CHECK_LINK_FLAG([-Wl,-z,notext],[
+ AC_SUBST([LD_NOTEXT], [-Wl,-z,notext])
+])
+
## ##
## Programs checks ##
AM_CONDITIONAL([HAVE_BISON], [test "x$have_bison" = "xyes"])
# check for flex
-AC_PROG_LEX
+# Prior to autoconf 2.70, AC_PROG_FLEX did not take an argument. This is not a
+# problem since the argument is silently ignored by older versions.
+AC_PROG_LEX([noyywrap])
AX_PROG_FLEX_VERSION([2.5.35], [have_flex=yes])
AS_IF([test "x$have_flex" != "xyes"], [
[AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_POSIX_FALLOCATE], 1, [Has posix_fallocate support.])]
)
+
## ##
## User variables ##
## ##
# Python bindings
# Disabled by default
-AC_ARG_ENABLE([python-bindings],
- [AS_HELP_STRING([--enable-python-bindings],[build the Python bindings])],
- [], dnl AC_ARG_ENABLE will fill enable_python_bindings with the user choice
- [enable_python_bindings=unspecified]
-)
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([python-bindings],[build the Python bindings])
# Python bindings documentation
# Disabled by default
-AC_ARG_ENABLE([python-bindings-doc],
- [AS_HELP_STRING([--enable-python-bindings-doc],[build the Python bindings documentation])],
- [], dnl AC_ARG_ENABLE will fill enable_python_bindings_doc with the user choice
- [enable_python_bindings_doc=no]
-)
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([python-bindings-doc],[build the Python bindings documentation])
# Python plugins
# Disabled by default
-AC_ARG_ENABLE([python-plugins],
- [AS_HELP_STRING([--enable-python-plugins],[enable the Python plugins support for the library and converter])]
- dnl AC_ARG_ENABLE will fill enable_python_plugins with the user choice
-)
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([python-plugins],[enable the Python plugins support for the library and converter])
# Debug info
# Enabled by default, except on some platforms
-AC_ARG_ENABLE([debug-info],
- [AS_HELP_STRING([--disable-debug-info],[disable the debug info support (default on macOS, Solaris and Windows)])],
- [], dnl AC_ARG_ENABLE will fill enable_debug_info with the user choice
- [enable_debug_info="$DEFAULT_ENABLE_DEBUG_INFO"]
-)
+AE_FEATURE_DEFAULT_ENABLE
+AE_FEATURE([debug-info],[disable the debug info support (default on macOS, Solaris and Windows)])
# API documentation
# Disabled by default
-AC_ARG_ENABLE([api-doc],
- [AS_HELP_STRING([--enable-api-doc],[build the HTML API documentation])],
- [enable_api_doc=$enableval]
-)
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([api-doc],[build the HTML API documentation])
# Built-in plugins
# Disabled by default
-AC_ARG_ENABLE([built-in-plugins],
- [AS_HELP_STRING([--enable-built-in-plugins],[Statically-link in-tree plug-ins into the babeltrace2 executable])]
- dnl AC_ARG_ENABLE will fill enable_built_in_plugins with the user choice
-)
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([built-in-plugins],[Statically-link in-tree plug-ins into the babeltrace2 executable])
# Built-in python plugin support
# Disabled by default
-AC_ARG_ENABLE([built-in-python-plugin-support],
- [AS_HELP_STRING([--enable-built-in-python-plugin-support],[Statically-link Python plugin support into the babeltrace library])]
- dnl AC_ARG_ENABLE will fill enable_built_in_python_plugin_support with the user choice
-)
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([built-in-python-plugin-support],[Statically-link Python plugin support into the babeltrace library])
# Man pages
# Enabled by default
-AC_ARG_ENABLE([man-pages],
- [AS_HELP_STRING([--disable-man-pages], [Do not build and install man pages (already built in a distributed tarball])],
- [], dnl AC_ARG_ENABLE will fill enable_man_pages with the user choice
- [enable_man_pages=yes]
-)
+AE_FEATURE_DEFAULT_ENABLE
+AE_FEATURE([man-pages],[Do not build and install man pages (already built in a distributed tarball])
+# When given, add -Werror to WARN_CFLAGS and WARN_CXXFLAGS.
+# Disabled by default
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([Werror],[Treat compiler warnings as errors.])
-# Set automake variables for optionnal feature conditionnals in Makefile.am
-AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS], [test "x$enable_python_bindings" = xyes])
-AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS_DOC], [test "x$enable_python_bindings_doc" = xyes])
-AM_CONDITIONAL([ENABLE_PYTHON_PLUGINS], [test "x$enable_python_plugins" = xyes])
-AM_CONDITIONAL([ENABLE_DEBUG_INFO], [test "x$enable_debug_info" = xyes])
-AM_CONDITIONAL([ENABLE_API_DOC], [test "x$enable_api_doc" = xyes])
-AM_CONDITIONAL([ENABLE_BUILT_IN_PLUGINS], [test "x$enable_built_in_plugins" = xyes])
-AM_CONDITIONAL([ENABLE_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [test "x$enable_built_in_python_plugin_support" = xyes])
-AM_CONDITIONAL([ENABLE_MAN_PAGES], [test "x$enable_man_pages" = xyes])
-AM_CONDITIONAL([ENABLE_PYTHON_COMMON_DEPS], [test "x$enable_python_bindings" = xyes || test "x$enable_python_plugins" = xyes])
+# When given, build with AddressSanitizer.
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([asan],[Build with AddressSanitizer.])
-# Set defines for optionnal features conditionnals in the source code
+## ##
+## Check for conflicting features selection ##
+## ##
-AS_IF([test "x$enable_built_in_plugins" = xyes],
- [AC_DEFINE([BT_BUILT_IN_PLUGINS], [1], [Define to 1 to register plug-in attributes in static executable sections])]
-)
+# Check for conflicting Python related features user choices.
+AE_IF_FEATURE_ENABLED([python-plugins], [
+ AE_IF_FEATURE_UNDEF([python-bindings], [
+ # --enable-python-plugins was provided but --enable-python-bindings was
+ # omitted. Turn the Python bindings ON anyway because it's needed to
+ # use the Python plugins.
+ AE_FEATURE_ENABLE([python-bindings])
+ ], [
+ AE_IF_FEATURE_DISABLED([python-bindings], [
+ # --enable-python-plugins _and_ --disable-python-bindings were
+ # used. This is invalid because Python plugins need the Python
+ # bindings to be useful.
+ AC_MSG_ERROR(--enable-python-bindings must be used to support Python plugins)
+ ])
+ ])
+])
-AS_IF([test "x$enable_built_in_python_plugin_support" = xyes],
- [AC_DEFINE([BT_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [1], [Define to 1 to register plug-in attributes in static executable sections])]
-)
+# Check for conflicting optional features user choices
+AE_IF_FEATURE_ENABLED([built-in-plugins], [
+ # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
+ AE_IF_FEATURE_NOT_ENABLED([static], [AC_MSG_ERROR(--enable-static must be used to bundle plug-ins in the babeltrace2 executable)])
+ AE_IF_FEATURE_ENABLED([shared], [AC_MSG_ERROR(--disable-shared must be used to bundle plug-ins in the babeltrace2 executable)])
+])
-AS_IF([test "x$enable_debug_info" = xyes],
- [ENABLE_DEBUG_INFO_VAL=1],
- [ENABLE_DEBUG_INFO_VAL=0]
-)
+AE_IF_FEATURE_ENABLED([built-in-python-plugin-support], [
+ AE_IF_FEATURE_NOT_ENABLED([python-plugins], [AC_MSG_ERROR([--enable-python-plugins must be used to bundle Python plugin support in the babeltrace2 executable])])
+ # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
+ AE_IF_FEATURE_NOT_ENABLED([static], [AC_MSG_ERROR(--enable-static must be used to bundle Python plugin support in the babeltrace2 executable)])
+ AE_IF_FEATURE_ENABLED([shared], [AC_MSG_ERROR(--disable-shared must be used to bundle Python plugin support in the babeltrace2 executable)])
+])
-AC_SUBST([ENABLE_DEBUG_INFO_VAL])
-# Check for conflicting Python related features user choices.
-AS_IF([test "x$enable_python_plugins" = xyes],
- [
- AS_IF([test "x$enable_python_bindings" = xunspecified],
- [
- # --enable-python-plugins was provided but --enable-python-bindings was
- # omitted. Turn the Python bindings ON anyway because it's needed to
- # use the Python plugins.
- enable_python_bindings=yes
- ],
- [
- AS_IF([test "x$enable_python_bindings" = xno],
- [
- # --enable-python-plugins _and_ --disable-python-bindings were
- # used. This is invalid because Python plugins need the Python
- # bindings to be useful.
- AC_MSG_ERROR(--enable-python-bindings must be used to support Python plugins)
- ]
- )
- ]
- )
- ]
-)
+## ##
+## Set automake variables for optionnal feature conditionnals in Makefile.am ##
+## ##
-# Check for conflicting optional features user choices
+AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS], AE_IS_FEATURE_ENABLED([python-bindings]))
+AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS_DOC], AE_IS_FEATURE_ENABLED([python-bindings-doc]))
+AM_CONDITIONAL([ENABLE_PYTHON_PLUGINS], AE_IS_FEATURE_ENABLED([python-plugins]))
+AM_CONDITIONAL([ENABLE_DEBUG_INFO], AE_IS_FEATURE_ENABLED([debug-info]))
+AM_CONDITIONAL([ENABLE_API_DOC], AE_IS_FEATURE_ENABLED([api-doc]))
+AM_CONDITIONAL([ENABLE_BUILT_IN_PLUGINS], AE_IS_FEATURE_ENABLED([built-in-plugins]))
+AM_CONDITIONAL([ENABLE_BUILT_IN_PYTHON_PLUGIN_SUPPORT], AE_IS_FEATURE_ENABLED([built-in-python-plugin-support]))
+AM_CONDITIONAL([ENABLE_MAN_PAGES], AE_IS_FEATURE_ENABLED([man-pages]))
+AM_CONDITIONAL([ENABLE_PYTHON_COMMON_DEPS], AE_IS_FEATURE_ENABLED([python-bindings]) || AE_IS_FEATURE_ENABLED([python-plugins]))
+AM_CONDITIONAL([ENABLE_ASAN], AE_IS_FEATURE_ENABLED([asan]))
-AS_IF([test "x$enable_built_in_plugins" = xyes],
- [
- # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
- AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle plug-ins in the babeltrace2 executable)])
- AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle plug-ins in the babeltrace2 executable)])
- ]
+
+## ##
+## Set defines for optionnal features conditionnals in the source code ##
+## ##
+
+AE_IF_FEATURE_ENABLED([built-in-plugins],
+ [AC_DEFINE([BT_BUILT_IN_PLUGINS], [1], [Define to 1 to register plug-in attributes in static executable sections])]
)
-AS_IF([test "x$enable_built_in_python_plugin_support" = xyes],
- [
- AS_IF([test "x$enable_python_plugins" != xyes], [AC_MSG_ERROR([--enable-python-plugins must be used to bundle Python plugin support in the babeltrace2 executable])])
- # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
- AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle Python plugin support in the babeltrace2 executable)])
- AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle Python plugin support in the babeltrace2 executable)])
- ]
+AE_IF_FEATURE_ENABLED([built-in-python-plugin-support],
+ [AC_DEFINE([BT_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [1], [Define to 1 to register plug-in attributes in static executable sections])]
)
+AE_IF_FEATURE_ENABLED([debug-info], [ENABLE_DEBUG_INFO_VAL=1], [ENABLE_DEBUG_INFO_VAL=0])
+AC_SUBST([ENABLE_DEBUG_INFO_VAL])
+
+AE_IF_FEATURE_ENABLED([asan], [ENABLE_ASAN=1], [ENABLE_ASAN=0])
+AC_SUBST([ENABLE_ASAN])
-# Check for optionnal features dependencies
+## ##
+## Check for optionnal features dependencies ##
+## ##
-AS_IF([test "x$enable_python_bindings" = xyes],
+# The Python bindings require SWIG
+AE_IF_FEATURE_ENABLED([python-bindings],
[AX_PKG_SWIG(2.0.0, [], [AC_MSG_ERROR([SWIG 2.0.0 or newer is required to build the python bindings])])]
)
+# Always check for python, we will fail later if some features require it and
+# it's unavailable.
AM_PATH_PYTHON([3.0], [
- AM_PATH_PYTHON_MODULES([PYTHON])
+ AE_PATH_PYTHON_MODULES([PYTHON])
# pythondir is the path where extra modules are to be installed
pythondir=$PYTHON_PREFIX/$PYTHON_MODULES_PATH
AM_CONDITIONAL([HAVE_PYTHON], [test "x$have_python" = xyes])
AM_CONDITIONAL([HAVE_PYTHON_DEV], [test "x$have_python_dev" = xyes])
-AS_IF([test "x$enable_python_bindings" = xyes || test "x$enable_python_plugins" = xyes], [
+AS_IF([AE_IS_FEATURE_ENABLED([python-bindings]) || AE_IS_FEATURE_ENABLED([python-plugins])], [
AS_IF([test "x$have_python_dev" = xno], [
AC_MSG_ERROR([Cannot find a suitable python-config. You can override the python-config path with the PYTHON_CONFIG environment variable.])
])
])
-AS_IF([test "x$enable_python_bindings_doc" = xyes],
+AE_IF_FEATURE_ENABLED([python-bindings-doc],
[
- AM_CHECK_PYTHON_SPHINX([PYTHON])
+ AE_CHECK_PYTHON_SPHINX([PYTHON])
AS_IF([test "x$PYTHON_SPHINX_EXISTS" = xno], [
AC_MSG_ERROR([The Sphinx package for Python 3 is required to build the Python bindings documentation])
])
- AS_IF([test "x$enable_python_bindings" != xyes], [
+ AE_IF_FEATURE_NOT_ENABLED([python-bindings], [
AC_MSG_ERROR([The Python bindings are required to build their documentation])
])
]
)
-AS_IF([test "x$enable_debug_info" = xyes], [
+AE_IF_FEATURE_ENABLED([debug-info], [
# Check if libelf and libdw are present
PKG_CHECK_MODULES([ELFUTILS], [libelf >= 0.154 libdw >= 0.154],
[
dnl PKG_CHECK_MODULES defines ELFUTILS_LIBS
],
[
- AC_MSG_ERROR([elfutils >= 0.154 is required to use the debug info feature. You can disable this feature using --disable-debug-info.])
+ AC_MSG_WARN([pkg-config was unable to find a valid .pc for libelf/libdw. Set PKG_CONFIG_PATH to specify the pkg-config configuration file location.])
+
+ # Turns out SLES12 doesn't bother shipping .pc file for libelf
+ AC_MSG_WARN([Finding libelf without pkg-config.])
+ AC_CHECK_LIB([elf], [elf_version], [], [AC_MSG_ERROR(Missing libelf (from elfutils >= 0.154) which is required by debug info. You can disable this feature using --disable-debug-info.)])
+ AC_CHECK_LIB([dw], [dwarf_begin], [], [AC_MSG_ERROR(Missing libdw (from elfutils >= 0.154) which is required by debug info. You can disable this feature using --disable-debug-info.)])
+ AE_LIB_ELFUTILS([0], [154], [], [AC_MSG_ERROR(elfutils >= 0.154 is required to use the debug info feature. You can disable this feature using --disable-debug-info.)])
+ ELFUTILS_LIBS="-lelf -ldw"
])
])
AC_SUBST([ELFUTILS_LIBS])
-AS_IF([test "x$enable_api_doc" = "xyes"],
+AE_IF_FEATURE_ENABLED([api-doc],
[
DX_DOXYGEN_FEATURE(ON)
DX_DOT_FEATURE(OFF)
AC_PATH_PROG([ASCIIDOC], [asciidoc], [no])
AC_PATH_PROG([XMLTO], [xmlto], [no])
-AS_IF([test "x$enable_man_pages" = "xyes"], [
+AE_IF_FEATURE_ENABLED([man-pages], [
AS_IF([test "x$ASCIIDOC" = "xno" || test "x$XMLTO" = "xno"], [
AS_IF([test "x$in_git_repo" = "xyes"], [
# this is an error because we're in the Git repo, which
AC_SUBST(LIBDIR)
+# If --enable-asan is used...
+AE_IF_FEATURE_ENABLED([asan], [
+ # ... add -fsanitize=address to the *FLAGS variables.
+ ASAN_CFLAGS="-fsanitize=address"
+ ASAN_CXXFLAGS="-fsanitize=address"
+ ASAN_LDFLAGS="-fsanitize=address"
+])
+
+
+
# CFLAGS from libraries (the glib ones are needed for the following sizeof
# test).
-AM_CFLAGS="${PTHREAD_CFLAGS} ${GLIB_CFLAGS}"
+AM_CFLAGS="${PTHREAD_CFLAGS} ${GLIB_CFLAGS} ${ASAN_CFLAGS}"
+AM_CXXFLAGS="${PTHREAD_CFLAGS} ${GLIB_CFLAGS} ${ASAN_CXXFLAGS}"
+AM_LDFLAGS="${ASAN_LDFLAGS}"
# Check that the current size_t matches the size that glib thinks it should
# be. This catches problems on multi-arch where people try to do a 32-bit
# Detect C and LD warning flags supported by the compiler.
-# Detect warning flags supported by the compiler, append them to WARN_CFLAGS.
+# Detect warning flags supported by the C and C++ compilers and append them to
+# WARN_CFLAGS and WARN_CXXFLAGS.
#
-# Pass -Werror as an extra flag during the test: this is needed to make the
-# -Wunknown-warning-option diagnostic fatal with clang.
-AX_APPEND_COMPILE_FLAGS([ dnl
+m4_define([WARN_FLAGS_LIST], [ dnl
-Wall dnl
-Wextra dnl
-Wmissing-prototypes dnl
dnl Ref: https://github.com/swig/swig/issues/1259
-Wno-cast-function-type dnl
-Wno-missing-field-initializers dnl
- ],
- [WARN_CFLAGS],
- [-Werror])
+ ])
-# When given, add -Werror to WARN_CFLAGS.
-AC_ARG_ENABLE([Werror],
- [AS_HELP_STRING([--enable-Werror], [Treat compiler warnings as errors.])]
-)
-AS_IF([test "x$enable_Werror" = "xyes"],
- [WARN_CFLAGS="${WARN_CFLAGS} -Werror"]
-)
+# Pass -Werror as an extra flag during the test: this is needed to make the
+# -Wunknown-warning-option diagnostic fatal with clang.
+AC_LANG([C++])
+AX_APPEND_COMPILE_FLAGS([WARN_FLAGS_LIST], [WARN_CXXFLAGS], [-Werror])
+AC_LANG([C])
+AX_APPEND_COMPILE_FLAGS([WARN_FLAGS_LIST], [WARN_CFLAGS], [-Werror])
+
+AE_IF_FEATURE_ENABLED([Werror], [WARN_CXXFLAGS="${WARN_CXXFLAGS} -Werror"])
+AE_IF_FEATURE_ENABLED([Werror], [WARN_CFLAGS="${WARN_CFLAGS} -Werror"])
# The test used in AX_APPEND_COMPILE_FLAGS, generated using AC_LANG_PROGRAM, is
# written in such a way that it triggers warnings with the following warning
# the test program would not build.
#
# Enable them here unconditionally. They are supported by GCC >= 4.8 and by
-# Clang >= 4.0.
+# Clang >= 3.3 (required by the project) and are only valid for C code.
WARN_CFLAGS="${WARN_CFLAGS} -Wold-style-definition -Wstrict-prototypes"
# CFLAGS from AX_APPEND_COMPILE_FLAGS.
+AM_CXXFLAGS="${AM_CXXFLAGS} ${WARN_CXXFLAGS}"
AM_CFLAGS="${AM_CFLAGS} ${WARN_CFLAGS}"
-# Done for AM_CFLAGS.
+# Done for AM_CXXFLAGS, AM_CFLAGS and AM_LDFLAGS.
+AC_SUBST(AM_CXXFLAGS)
AC_SUBST(AM_CFLAGS)
+AC_SUBST(AM_LDFLAGS)
# Set global CPPFLAGS in AM_CPPFLAGS
AM_CPPFLAGS="-I\$(top_srcdir)/include -I\$(top_builddir)/src -I\$(top_srcdir)/src -include common/config.h"
tests/utils/tap/Makefile
])
+AC_CONFIG_FILES([tests/utils/env.sh],[chmod +x tests/utils/env.sh])
+
AC_OUTPUT
#
PPRINT_PROP_STRING([Python include paths], [$PYTHON_INCLUDE])
PPRINT_PROP_STRING([Python linker flags], [$PYTHON_LDFLAGS])
])
-AS_IF([test "x$enable_python_bindings" = "xyes"], [
+AE_IF_FEATURE_ENABLED([python-bindings], [
PPRINT_PROP_STRING([SWIG executable], [$SWIG])
PPRINT_PROP_STRING([SWIG library], [$SWIG_LIB])
])
projects / babeltrace.git / blobdiff