configure.ac: add version name/description definitions and report them
[babeltrace.git] / configure.ac
index e4a0c86dcc8229119cfdd627617f7ca40eb17509..756b1fa64f9e676e7e4af1de5a90380b7ca10fe7 100644 (file)
@@ -29,8 +29,10 @@ AC_PREREQ([2.50])
 m4_define([bt_version_major], [2])
 m4_define([bt_version_minor], [0])
 m4_define([bt_version_patch], [0])
-m4_define([bt_version_extra], [-pre6])
+m4_define([bt_version_extra], [-rc4])
 m4_define([bt_version], bt_version_major[.]bt_version_minor[.]bt_version_patch[]bt_version_extra)
+m4_define([bt_version_name], [])
+m4_define([bt_version_description], [])
 
 AC_INIT([babeltrace], bt_version, [jeremie dot galarneau at efficios dot com], [], [https://efficios.com/babeltrace/])
 
@@ -51,6 +53,8 @@ AC_DEFINE([BT_VERSION_MAJOR], bt_version_major, [Babeltrace major version])
 AC_DEFINE([BT_VERSION_MINOR], bt_version_minor, [Babeltrace minor version])
 AC_DEFINE([BT_VERSION_PATCH], bt_version_patch, [Babeltrace patch version])
 AC_DEFINE([BT_VERSION_EXTRA], ["]bt_version_extra["], [Babeltrace extra version])
+AC_DEFINE([BT_VERSION_NAME], ["]bt_version_name["], [Babeltrace version name])
+AC_DEFINE([BT_VERSION_DESCRIPTION], ["]bt_version_description["], [Babeltrace version description])
 
 AC_CANONICAL_TARGET
 AC_CANONICAL_HOST
@@ -60,7 +64,7 @@ AC_CANONICAL_HOST
 ## Automake base setup ##
 ##                     ##
 
-AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip tar-ustar nostdinc])
+AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip tar-ustar nostdinc])
 AM_MAINTAINER_MODE([enable])
 
 # Enable silent rules if available (Introduced in AM 1.11)
@@ -192,6 +196,7 @@ LT_INIT([win32-dll])
 AC_PROG_MAKE_SET
 AC_PROG_MKDIR_P
 AC_PROG_LN_S
+AC_PATH_PROG([report_fold], [fold])
 
 # set $IN_GIT_REPO if we're in the Git repository; the `bootstrap` file
 # is not distributed in tarballs
@@ -248,9 +253,9 @@ AM_CONDITIONAL([HAVE_FLEX], [test "x$have_flex" = "xyes"])
 # Check what libraries are required on this platform to link sockets programs.
 AX_LIB_SOCKET_NSL
 
-# Check for glib >= 2.22 with gmodule support
-AM_PATH_GLIB_2_0([2.22.0], [],
-  AC_MSG_ERROR([glib >= 2.22 is required - download it from ftp://ftp.gtk.org/pub/gtk]),
+# Check for glib >= 2.28 with gmodule support
+AM_PATH_GLIB_2_0([2.28.0], [],
+  AC_MSG_ERROR([glib >= 2.28 is required - download it from ftp://ftp.gtk.org/pub/gtk]),
   [gmodule-no-export]
 )
 
@@ -307,26 +312,6 @@ AC_CHECK_LIB([c], [posix_fallocate],
   [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_POSIX_FALLOCATE], 1, [Has posix_fallocate support.])]
 )
 
-# Check libpopt
-PKG_CHECK_MODULES([POPT], [popt],
-  [
-    dnl PKG_CHECK_MODULES defines POPT_LIBS
-  ],
-  [
-    AC_MSG_WARN([pkg-config was unable to find a valid .pc for libpopt. Set PKG_CONFIG_PATH to specify the pkgconfig configuration file location])
-    AC_MSG_WARN([Finding libpopt without pkg-config.])
-    AC_CHECK_LIB([popt],
-      [poptGetContext],
-      [POPT_LIBS="-lpopt"],
-      [
-        AC_MSG_FAILURE([Cannot find libpopt. Either set PKG_CONFIG_PATH to the configuration file location or use LDFLAGS=-Ldir to specify the library location])
-      ]
-    )
-  ]
-)
-AC_SUBST(POPT_LIBS)
-
-
 ##                 ##
 ## User variables  ##
 ##                 ##
@@ -530,7 +515,10 @@ AM_PATH_PYTHON([3.0], [
 
     AS_IF([test -z "$PYTHON_LDFLAGS"], [
       AC_MSG_CHECKING([Python library flags])
-      PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags`
+      # Python 3.8+ requires that we pass --embed to get the -lpython3.x flag.
+      AS_IF([! PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags --embed`], [
+        PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags`
+      ])
       AC_MSG_RESULT([$PYTHON_LDFLAGS])
     ])
   ])
@@ -580,7 +568,7 @@ AS_IF([test "x$enable_api_doc" = "xyes"],
     DX_XML_FEATURE(OFF)
     DX_PDF_FEATURE(OFF)
     DX_PS_FEATURE(OFF)
-    DX_INIT_DOXYGEN([Babeltrace], [$(srcdir)/Doxyfile], [output])
+    DX_INIT_DOXYGEN([Babeltrace 2], [$(builddir)/Doxyfile], [output])
     AS_IF([test -z "$DX_DOXYGEN"],
          [AC_MSG_ERROR([You need doxygen to enable the API documentation])]
     )
@@ -636,17 +624,9 @@ AS_IF([test "x$exec_prefix" = xNONE], [
 
 AC_SUBST(LIBDIR)
 
-
-# Set global CFLAGS in AM_CFLAGS
-AM_CFLAGS="-Wall -Wformat -Werror=implicit-function-declaration $PTHREAD_CFLAGS $GLIB_CFLAGS"
-AC_SUBST(AM_CFLAGS)
-
-# Set global CPPFLAGS in AM_CPPFLAGS
-AM_CPPFLAGS="-I\$(top_srcdir)/include -I\$(top_builddir)/src -I\$(top_srcdir)/src -include common/config.h"
-AC_SUBST(AM_CPPFLAGS)
-
-# Add glib to global link libs
-LIBS="$LIBS $GLIB_LIBS"
+# CFLAGS from libraries (the glib ones are needed for the following sizeof
+# test).
+AM_CFLAGS="${PTHREAD_CFLAGS} ${GLIB_CFLAGS}"
 
 # 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
@@ -654,6 +634,10 @@ LIBS="$LIBS $GLIB_LIBS"
 # glib.h is not platform specific but it includes glibconfig.h which is and
 # is usually installed in a non-standard path.
 
+# Do this before enabling all the warning flags, as the
+# AC_LANG_PROGRAM-generated program may generate some warning, which makes this
+# test fail unnecessarily.
+
 # Older versions of the pkg-config macros disallows PKG_* in the autoconf
 # output. Specifically allow pkg_config_libdir to be able to print the
 # error message.
@@ -677,14 +661,77 @@ target.
 ])
 CFLAGS=${save_CFLAGS}
 
+# Detect C and LD warning flags supported by the compiler.
+AX_COMPILER_FLAGS(
+       [WARN_CFLAGS], dnl CFLAGS variable name
+       [WARN_LDFLAGS], dnl LDFLAGS variable name (unused for now)
+       [], dnl is-release
+       [], dnl Extra base CFLAGS
+       [ dnl Extra "yes" CFLAGS
+               dnl Disable these flags, either because we don't want them
+               dnl or because we want them but are not ready to enable them
+               dnl yet.
+               -Wno-sign-compare dnl
+               -Wno-inline dnl
+               -Wno-declaration-after-statement dnl
+               -Wno-switch-enum dnl
+               -Wno-switch-default dnl
+               -Wno-packed dnl
+               -Wno-pointer-arith dnl
+               -Wno-format-nonliteral dnl
+               -Wno-double-promotion dnl
+               -Wno-cast-align dnl
+               dnl
+               dnl Some versions of SWIG (like 3.0.12) generate code that produces
+               dnl -Wcast-function-type warnings.  This warning is present in gcc >= 8.  This
+               dnl combo happens on RHEL/Centos 8, for example.  Later versions of SWIG (like
+               dnl 4.0.1) have the correct function signatures to not produce this warning.
+               dnl It's simpler to just disable the warning globally.
+               dnl
+               dnl Note that the Debian/Ubuntu SWIG package 3.0.12-2 contains a local patch to
+               dnl fix this (python-fix-function-cast-warnings.patch), so you won't be able to
+               dnl reproduce the warning using that package.
+               dnl
+               dnl Ref: https://github.com/swig/swig/issues/1259
+               -Wno-cast-function-type dnl
+       ])
+
+# CFLAGS from AX_COMPILER_FLAGS.
+AM_CFLAGS="${AM_CFLAGS} ${WARN_CFLAGS}"
+
+# The test used in AX_COMPILER_FLAGS, generated using AC_LANG_PROGRAM, is
+# written in such a way that it triggers a -Wold-style-definition warning.  So
+# if the user has -Werror in their CFLAGS, that warning flag will end up
+# disabled, because the test program will not build.
+#
+# Enable it here unconditionally.  It is supported by GCC >= 4.8 and by Clang
+# (it is accepted for compatibility although it has no effect), and there is
+# not reason to not want it.
+
+AM_CFLAGS="${AM_CFLAGS} -Wold-style-definition"
+
+# We want this one to always be an error.
+AM_CFLAGS="${AM_CFLAGS} -Werror=implicit-function-declaration"
+
+# Done for AM_CFLAGS.
+AC_SUBST(AM_CFLAGS)
+
+# Set global CPPFLAGS in AM_CPPFLAGS
+AM_CPPFLAGS="-I\$(top_srcdir)/include -I\$(top_builddir)/src -I\$(top_srcdir)/src -include common/config.h"
+AC_SUBST(AM_CPPFLAGS)
+
+# Add glib to global link libs
+LIBS="$LIBS $GLIB_LIBS"
+
 # Abuse autoconf's AC_ARG_PROGRAM output variable 'program_transform_name'
 # to rename babeltrace2.bin to babeltrace2 at install time.
 program_transform_name="s&babeltrace2\.bin&babeltrace2&;$program_transform_name"
 AC_SUBST(program_transform_name)
 
 AC_CONFIG_FILES([
-       doc/api/Doxyfile
        doc/api/Makefile
+       doc/api/libbabeltrace2/Doxyfile
+       doc/api/libbabeltrace2/Makefile
        doc/bindings/Makefile
        doc/bindings/python/Makefile
        doc/contributing-images/Makefile
@@ -694,6 +741,7 @@ AC_CONFIG_FILES([
        include/Makefile
        Makefile
        src/argpar/Makefile
+       src/autodisc/Makefile
        src/babeltrace2-ctf-writer.pc
        src/babeltrace2.pc
        src/bindings/Makefile
@@ -715,6 +763,9 @@ AC_CONFIG_FILES([
        src/lib/trace-ir/Makefile
        src/logging/Makefile
        src/Makefile
+       src/plugins/common/Makefile
+       src/plugins/common/muxing/Makefile
+       src/plugins/common/param-validation/Makefile
        src/plugins/ctf/common/bfcr/Makefile
        src/plugins/ctf/common/Makefile
        src/plugins/ctf/common/metadata/Makefile
@@ -737,18 +788,22 @@ AC_CONFIG_FILES([
        src/plugins/utils/trimmer/Makefile
        src/py-common/Makefile
        src/python-plugin-provider/Makefile
+       src/param-parse/Makefile
+       src/string-format/Makefile
        tests/bitfield/Makefile
        tests/ctf-writer/Makefile
-       tests/argpar/Makefile
        tests/lib/Makefile
        tests/lib/test-plugin-plugins/Makefile
        tests/Makefile
+       tests/param-validation/Makefile
        tests/plugins/Makefile
        tests/plugins/src.ctf.fs/Makefile
        tests/plugins/src.ctf.fs/succeed/Makefile
        tests/plugins/sink.ctf.fs/Makefile
        tests/plugins/sink.ctf.fs/succeed/Makefile
        tests/plugins/flt.lttng-utils.debug-info/Makefile
+       tests/plugins/flt.utils.muxer/Makefile
+       tests/plugins/flt.utils.muxer/succeed/Makefile
        tests/plugins/flt.utils.trimmer/Makefile
        tests/utils/Makefile
        tests/utils/tap/Makefile
@@ -765,9 +820,25 @@ PPRINT_SET_INDENT(1)
 PPRINT_SET_TS(38)
 
 AS_ECHO
-AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION$PPRINT_COLOR_RST")
+
+AS_IF([test -n "bt_version_name"], [
+       AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION \"bt_version_name\"$PPRINT_COLOR_RST")
+], [
+       AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION")
+])
+
 AS_ECHO
 
+AS_IF([test -n "bt_version_description"], [
+       AS_IF([test -n "$report_fold"], [
+               AS_ECHO("`AS_ECHO("bt_version_description") | $report_fold -s`")
+       ], [
+               AS_ECHO("bt_version_description")
+       ])
+
+       AS_ECHO
+])
+
 PPRINT_SUBTITLE([System])
 
 # Target architecture we're building for.
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