[PATCH urcu] Add report at the end of configure

* [PATCH urcu] Add report at the end of configure
@ 2017-04-19 20:47 Michael Jeanson
  0 siblings, 0 replies; 2+ messages in thread
From: Michael Jeanson @ 2017-04-19 20:47 UTC (permalink / raw)
  To: lttng-dev, mathieu.desnoyers

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
---
 configure.ac |  66 ++++++++++++++++++----
 m4/pprint.m4 | 178 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 233 insertions(+), 11 deletions(-)
 create mode 100644 m4/pprint.m4

diff --git a/configure.ac b/configure.ac
index 5f61bdb..7032d88 100644
--- a/configure.ac
+++ b/configure.ac
@@ -213,8 +213,10 @@ AS_IF([test "x$ARCHTYPE" = "xx86"],[
 	AS_IF([test "x$host_cpu" != "xi386" -a "x$host_cpu" != "xi486" -a "x$host_cpu" != "xi586" -a "x$host_cpu" != "xi686" -a "x$host_vendor" != "xk1om" -a "x$host_cpu" != "xk1om"],[
 		AC_MSG_RESULT([yes])
 		AC_DEFINE([CONFIG_RCU_HAVE_FENCE], [1])
+		config_rcu_have_fence=yes
 	],[
 		AC_MSG_RESULT([no])
+		config_rcu_have_fence=no
 	])
 ])
 
@@ -238,6 +240,7 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 # Search for clock_gettime
 AC_SEARCH_LIBS([clock_gettime], [rt], [
 	AC_DEFINE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [1])
+	config_rcu_have_clock_gettime=yes
 ], [])
 
 AM_CONDITIONAL([COMPAT_FUTEX], [test "x$compat_futex_test" = "x1"])
@@ -392,15 +395,56 @@ AC_CONFIG_FILES([
 ])
 AC_OUTPUT
 
-# Report on selected configure options
-AS_IF([test "x$def_smp_support" = "xyes"],[
-	AS_ECHO("SMP support enabled.")
-],[
-	AS_ECHO("SMP support disabled.")
-])
+#
+# Mini-report on what will be built.
+#
+
+PPRINT_INIT
+PPRINT_SET_INDENT(1)
+PPRINT_SET_TS(38)
+
+AS_ECHO
+AS_ECHO("${PPRINT_COLOR_BLDBLU}Userspace-RCU $PACKAGE_VERSION${PPRINT_COLOR_RST}")
+AS_ECHO
+
+PPRINT_SUBTITLE([Features])
+
+PPRINT_PROP_STRING([Target architecture], $host_cpu)
+
+# SMP support enabled/disabled
+test "x$def_smp_support" = "xyes" && value=1 || value=0
+PPRINT_PROP_BOOL([SMP support], $value)
+
+# Memory fence support available
+test "x$config_rcu_have_fence" = "xyes" && value=1 || value=0
+PPRINT_PROP_BOOL([Memory fence instructions], $value)
+
+# Futex support available
+test "x$compat_futex_test" = "x0" && value=1 || value=0
+PPRINT_PROP_BOOL([Futex support], $value)
+
+# TLS
+test "x$def_tls_detect" = "x" && value="pthread_getspecific()" || value="$def_tls_detect"
+PPRINT_PROP_STRING([Thread Local Storage (TLS)], [$value])
+
+# clock_gettime() available
+test "x$config_rcu_have_clock_gettime" = "xyes" && value=1 || value=0
+PPRINT_PROP_BOOL([clock_gettime()], $value)
+
+# Require membarrier
+test "x$def_sys_membarrier_fallback" != "xyes" && value=1 || value=0
+PPRINT_PROP_BOOL([Require membarrier], $value)
+
+# RCU debug enabled/disabled
+test "x$enable_rcu_debug" = "xyes" && value=1 || value=0
+PPRINT_PROP_BOOL([Internal debugging], $value)
+
+report_bindir="`eval eval echo $bindir`"
+report_libdir="`eval eval echo $libdir`"
+
+# Print the bindir and libdir this `make install' will install into.
+AS_ECHO
+PPRINT_SUBTITLE([Install directories])
+PPRINT_PROP_STRING([Binaries], [$report_bindir])
+PPRINT_PROP_STRING([Libraries], [$report_libdir])
 
-AS_IF([test "x$def_tls_detect" = "x"],[
-	AS_ECHO("Thread Local Storage (TLS): pthread_getspecific().")
-],[
-	AS_ECHO("Thread Local Storage (TLS): $def_tls_detect.")
-])
diff --git a/m4/pprint.m4 b/m4/pprint.m4
new file mode 100644
index 0000000..c7024c3
--- /dev/null
+++ b/m4/pprint.m4
@@ -0,0 +1,178 @@
+# Pretty printing macros.
+#
+# Author: Philippe Proulx <pproulx@efficios.com>
+
+# PPRINT_INIT(): initializes the pretty printing system.
+#
+# Use this macro before using any other PPRINT_* macro.
+AC_DEFUN([PPRINT_INIT], [
+  m4_define([PPRINT_CONFIG_TS], [50])
+  m4_define([PPRINT_CONFIG_INDENT], [2])
+  PPRINT_YES_MSG=yes
+  PPRINT_NO_MSG=no
+
+  # find tput, which tells us if colors are supported and gives us color codes
+  AC_PATH_PROG([pprint_tput], [tput])
+
+  AS_IF([test -n "$pprint_tput"], [
+    AS_IF([test -n "$PS1" && test `"$pprint_tput" colors` -ge 8 && test -t 1], [
+      # interactive shell and colors supported and standard output
+      # file descriptor is opened on a terminal
+      PPRINT_COLOR_TXTBLK="`"$pprint_tput" setf 0`"
+      PPRINT_COLOR_TXTBLU="`"$pprint_tput" setf 1`"
+      PPRINT_COLOR_TXTGRN="`"$pprint_tput" setf 2`"
+      PPRINT_COLOR_TXTCYN="`"$pprint_tput" setf 3`"
+      PPRINT_COLOR_TXTRED="`"$pprint_tput" setf 4`"
+      PPRINT_COLOR_TXTPUR="`"$pprint_tput" setf 5`"
+      PPRINT_COLOR_TXTYLW="`"$pprint_tput" setf 6`"
+      PPRINT_COLOR_TXTWHT="`"$pprint_tput" setf 7`"
+      PPRINT_COLOR_BLD=`"$pprint_tput" bold`
+      PPRINT_COLOR_BLDBLK="$PPRINT_COLOR_BLD$PPRINT_COLOR_TXTBLK"
+      PPRINT_COLOR_BLDBLU="$PPRINT_COLOR_BLD$PPRINT_COLOR_TXTBLU"
+      PPRINT_COLOR_BLDGRN="$PPRINT_COLOR_BLD$PPRINT_COLOR_TXTGRN"
+      PPRINT_COLOR_BLDCYN="$PPRINT_COLOR_BLD$PPRINT_COLOR_TXTCYN"
+      PPRINT_COLOR_BLDRED="$PPRINT_COLOR_BLD$PPRINT_COLOR_TXTRED"
+      PPRINT_COLOR_BLDPUR="$PPRINT_COLOR_BLD$PPRINT_COLOR_TXTPUR"
+      PPRINT_COLOR_BLDYLW="$PPRINT_COLOR_BLD$PPRINT_COLOR_TXTYLW"
+      PPRINT_COLOR_BLDWHT="$PPRINT_COLOR_BLD$PPRINT_COLOR_TXTWHT"
+      PPRINT_COLOR_RST="`"$pprint_tput" sgr0`"
+
+      # colored yes and no
+      PPRINT_YES_MSG="$PPRINT_COLOR_BLDGRN$PPRINT_YES_MSG$PPRINT_COLOR_RST"
+      PPRINT_NO_MSG="$PPRINT_COLOR_BLDRED$PPRINT_NO_MSG$PPRINT_COLOR_RST"
+
+      # subtitle color
+      PPRINT_COLOR_SUBTITLE="$PPRINT_COLOR_BLDCYN"
+    ])
+  ])
+])
+
+# PPRINT_SET_INDENT(indent): sets the current indentation.
+#
+# Use PPRINT_INIT() before using this macro.
+AC_DEFUN([PPRINT_SET_INDENT], [
+  m4_define([PPRINT_CONFIG_INDENT], [$1])
+])
+
+# PPRINT_SET_TS(ts): sets the current tab stop.
+#
+# Use PPRINT_INIT() before using this macro.
+AC_DEFUN([PPRINT_SET_TS], [
+  m4_define([PPRINT_CONFIG_TS], [$1])
+])
+
+# PPRINT_SUBTITLE(subtitle): pretty prints a subtitle.
+#
+# The subtitle is put as is in a double-quoted shell string so the user
+# needs to escape ".
+#
+# Use PPRINT_INIT() before using this macro.
+AC_DEFUN([PPRINT_SUBTITLE], [
+  AS_ECHO(["${PPRINT_COLOR_SUBTITLE}$1$PPRINT_COLOR_RST"])
+])
+
+AC_DEFUN([_PPRINT_INDENT], [
+  m4_if(PPRINT_CONFIG_INDENT, 0, [
+  ], [
+    m4_for([pprint_i], [0], m4_eval(PPRINT_CONFIG_INDENT * 2 - 1), [1], [
+      AS_ECHO_N([" "])
+    ])
+  ])
+])
+
+# PPRINT_PROP_STRING(title, value, title_color?): pretty prints a
+# string property.
+#
+# The title is put as is in a double-quoted shell string so the user
+# needs to escape ".
+#
+# The $PPRINT_CONFIG_INDENT variable must be set to the desired indentation
+# level.
+#
+# Use PPRINT_INIT() before using this macro.
+AC_DEFUN([PPRINT_PROP_STRING], [
+  m4_pushdef([pprint_title], [$1])
+  m4_pushdef([pprint_value], [$2])
+  m4_pushdef([pprint_title_color], m4_default([$3], []))
+  m4_pushdef([pprint_title_len], m4_len(pprint_title))
+  m4_pushdef([pprint_spaces_cnt], m4_eval(PPRINT_CONFIG_TS - pprint_title_len - (PPRINT_CONFIG_INDENT * 2) - 1))
+
+  m4_if(m4_eval(pprint_spaces_cnt <= 0), [1], [
+    m4_define([pprint_spaces_cnt], [1])
+  ])
+
+  m4_pushdef([pprint_spaces], [])
+
+  m4_for([pprint_i], 0, m4_eval(pprint_spaces_cnt - 1), [1], [
+    m4_append([pprint_spaces], [ ])
+  ])
+
+  _PPRINT_INDENT
+
+  AS_ECHO_N(["pprint_title_color""pprint_title$PPRINT_COLOR_RST:pprint_spaces"])
+  AS_ECHO(["${PPRINT_COLOR_BLD}pprint_value$PPRINT_COLOR_RST"])
+
+  m4_popdef([pprint_spaces])
+  m4_popdef([pprint_spaces_cnt])
+  m4_popdef([pprint_title_len])
+  m4_popdef([pprint_title_color])
+  m4_popdef([pprint_value])
+  m4_popdef([pprint_title])
+])
+
+# PPRINT_PROP_BOOL(title, value, title_color?): pretty prints a boolean
+# property.
+#
+# The title is put as is in a double-quoted shell string so the user
+# needs to escape ".
+#
+# The value is evaluated at shell runtime. Its evaluation must be
+# 0 (false) or 1 (true).
+#
+# Uses the PPRINT_PROP_STRING() with the "yes" or "no" string.
+#
+# Use PPRINT_INIT() before using this macro.
+AC_DEFUN([PPRINT_PROP_BOOL], [
+  m4_pushdef([pprint_title], [$1])
+  m4_pushdef([pprint_value], [$2])
+
+  test pprint_value -eq 0 && pprint_msg="$PPRINT_NO_MSG" || pprint_msg="$PPRINT_YES_MSG"
+
+  m4_if([$#], [3], [
+    PPRINT_PROP_STRING(pprint_title, [$pprint_msg], $3)
+  ], [
+    PPRINT_PROP_STRING(pprint_title, [$pprint_msg])
+  ])
+
+  m4_popdef([pprint_value])
+  m4_popdef([pprint_title])
+])
+
+# PPRINT_WARN(msg): pretty prints a warning message.
+#
+# The message is put as is in a double-quoted shell string so the user
+# needs to escape ".
+#
+# Use PPRINT_INIT() before using this macro.
+AC_DEFUN([PPRINT_WARN], [
+  m4_pushdef([pprint_msg], [$1])
+
+  _PPRINT_INDENT
+  AS_ECHO(["${PPRINT_COLOR_TXTYLW}WARNING:$PPRINT_COLOR_RST ${PPRINT_COLOR_BLDYLW}pprint_msg$PPRINT_COLOR_RST"])
+
+  m4_popdef([pprint_msg])
+])
+
+# PPRINT_ERROR(msg): pretty prints an error message and exits.
+#
+# The message is put as is in a double-quoted shell string so the user
+# needs to escape ".
+#
+# Use PPRINT_INIT() before using this macro.
+AC_DEFUN([PPRINT_ERROR], [
+  m4_pushdef([pprint_msg], [$1])
+
+  AC_MSG_ERROR([${PPRINT_COLOR_BLDRED}pprint_msg$PPRINT_COLOR_RST])
+
+  m4_popdef([pprint_msg])
+])
-- 
2.7.4

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