Port: cleanup and portability fix to configure.ac

[lttng-tools.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index e80ccc8b43a3bf8d040472f1e1f79134d486705d..c922e3224866aea009ac843b726830e61a6e3a4a 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,15 +1,59 @@
 AC_PREREQ([2.64])
 AC_INIT([lttng-tools],[2.8.0-pre],[jeremie.galarneau@efficios.com],[],[https://lttng.org])
+
+AC_CONFIG_HEADERS([include/config.h])
 AC_CONFIG_AUX_DIR([config])
+AC_CONFIG_MACRO_DIR([m4])
+
 AC_CANONICAL_TARGET
 AC_CANONICAL_HOST
-AC_CONFIG_MACRO_DIR([config])
+
 AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip])
 AM_MAINTAINER_MODE([enable])
+
+# Enable silent rules if available (Introduced in AM 1.11)
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
-# Compute minor/major/patchlevel version numbers
+# Checks for C compiler
+AC_USE_SYSTEM_EXTENSIONS
+AC_SYS_LARGEFILE
+AC_PROG_CC
+AC_PROG_CC_STDC
+
+# Checks for programs.
+AC_PROG_GREP
+AC_PROG_LEX
+AC_PROG_MAKE_SET
 AC_PROG_SED
+AC_PROG_YACC
+LT_INIT
+
+# Checks for typedefs, structures, and compiler characteristics.
+AC_C_INLINE
+AC_TYPE_INT32_T
+AC_TYPE_INT64_T
+AC_TYPE_MODE_T
+AC_TYPE_OFF_T
+AC_TYPE_PID_T
+AC_TYPE_SIZE_T
+AC_TYPE_SSIZE_T
+AC_TYPE_UID_T
+AC_TYPE_UINT16_T
+AC_TYPE_UINT32_T
+AC_TYPE_UINT64_T
+AC_TYPE_UINT8_T
+
+AX_C___ATTRIBUTE__
+AS_IF([test "x$ax_cv___attribute__" = "xyes"],
+        [:],
+        [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
+
+AX_PTHREAD(,[AC_MSG_ERROR([Could not configure pthreads support])])
+LIBS="$PTHREAD_LIBS $LIBS"
+CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+CC="$PTHREAD_CC"
+
+# Compute minor/major/patchlevel version numbers
 major_version=$(echo AC_PACKAGE_VERSION | $SED 's/^\([[0-9]]\)*\.[[0-9]]*\.[[0-9]]*.*$/\1/')
 minor_version=$(echo AC_PACKAGE_VERSION | $SED 's/^[[0-9]]*\.\([[0-9]]*\)\.[[0-9]]*.*$/\1/')
 patchlevel_version=$(echo AC_PACKAGE_VERSION | $SED 's/^[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\).*$/\1/')
@@ -27,9 +71,6 @@ version_description_c=$(echo $version_description | $SED 's/"/\\"/g')
 AC_DEFINE_UNQUOTED([VERSION_NAME], ["$version_name"], "")
 AC_DEFINE_UNQUOTED([VERSION_DESCRIPTION], ["$version_description_c"], "")
 
-AC_CONFIG_HEADERS([include/config.h])
-
-AC_PROG_GREP
 # libtool link_all_deplibs fixup. See http://bugs.lttng.org/issues/321.
 AC_ARG_ENABLE(libtool-linkdep-fixup,
        AS_HELP_STRING([--disable-libtool-linkdep-fixup],
@@ -39,7 +80,7 @@ AC_ARG_ENABLE(libtool-linkdep-fixup,
 
 AS_IF([test "x$libtool_fixup" = "xyes"],
            [
-           libtool_m4="$srcdir/config/libtool.m4"
+           libtool_m4="$srcdir/m4/libtool.m4"
            libtool_flag_pattern=".*link_all_deplibs\s*,\s*\$1\s*)"
            AC_MSG_CHECKING([for occurence(s) of link_all_deplibs = no in $libtool_m4])
            libtool_flag_pattern_count=$($GREP -c "$libtool_flag_pattern\s*=\s*no" $libtool_m4)
@@ -514,29 +555,6 @@ AC_SUBST([RUN_PYTHON_AGENT_TEST])
 AC_SUBST([PYTHON2_AGENT])
 AC_SUBST([PYTHON3_AGENT])
 
-AC_SYS_LARGEFILE
-
-# C compiler tests
-AC_PROG_CC
-AC_C_INLINE
-
-# Type availability checking
-AC_TYPE_INT32_T
-AC_TYPE_INT64_T
-AC_TYPE_MODE_T
-AC_TYPE_OFF_T
-AC_TYPE_PID_T
-AC_TYPE_SIZE_T
-AC_TYPE_SSIZE_T
-AC_TYPE_UID_T
-AC_TYPE_UINT16_T
-AC_TYPE_UINT32_T
-AC_TYPE_UINT64_T
-AC_TYPE_UINT8_T
-
-LT_INIT
-AC_PROG_YACC
-AC_PROG_LEX
 
 if test ! -f "$srcdir/src/lib/lttng-ctl/filter/filter-parser.h"; then
        if test x"$YACC" != "xbison -y"; then