[lttng-dev] [PATCH lttng-tools 14/14] Cleaned up configure.ac: Replaced space indents by tabs, regrouped AC_ARG_WITH's, generalized the coding style, fixed a bad AS_HELP_STRING.

Charles Briere charlesbriere.flatzo at gmail.com
Mon May 6 14:18:51 EDT 2013


From: Pierre-Luc St-Charles <pierre-luc.st-charles at polymtl.ca>

Signed-off-by: Pierre-Luc St-Charles <pierre-luc.st-charles at polymtl.ca>
---
 configure.ac | 315 ++++++++++++++++++++++++++++++++---------------------------
 1 file changed, 171 insertions(+), 144 deletions(-)

diff --git a/configure.ac b/configure.ac
index 154b0a7..e4d2c6f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,27 +17,32 @@ 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],
-			[disable the libtool fixup for linking all dependent libraries (link_all_deplibs)]),
-	libtool_fixup=$enableval,
-	libtool_fixup=yes)
+[
+	AS_HELP_STRING([--disable-libtool-linkdep-fixup],[disable the libtool fixup for linking all dependent libraries (link_all_deplibs)])
+],
+[
+	libtool_fixup=$enableval
+],
+[
+	libtool_fixup=yes
+])
 
 AS_IF([test "x$libtool_fixup" = "xyes"],
-	    [
-	    libtool_m4="$srcdir/config/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)
-	    AS_IF([test $libtool_flag_pattern_count -ne 0],
-	    [
-		  AC_MSG_RESULT([$libtool_flag_pattern_count])
-		  AC_MSG_WARN([the detected libtool will not link all dependencies, forcing link_all_deplibs = unknown])
-		  sed -i "s/\($libtool_flag_pattern\)\s*=\s*no/\1=unknown/g" $libtool_m4
-		  ],
-		  [
-		  AC_MSG_RESULT([none])
-		  ])
-	    ])
+[
+	libtool_m4="$srcdir/config/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)
+	AS_IF([test $libtool_flag_pattern_count -ne 0],
+	[
+		AC_MSG_RESULT([$libtool_flag_pattern_count])
+		AC_MSG_WARN([the detected libtool will not link all dependencies, forcing link_all_deplibs = unknown])
+		sed -i "s/\($libtool_flag_pattern\)\s*=\s*no/\1=unknown/g" $libtool_m4
+	],
+	[
+		AC_MSG_RESULT([none])
+	])
+])
 
 AM_CONDITIONAL([NO_SHARED], [test x$enable_shared = xno])
 
@@ -57,55 +62,55 @@ AC_CHECK_HEADERS([ \
 
 # Babeltrace viewer check
 AC_ARG_WITH([babeltrace-bin],
-	AS_HELP_STRING([--with-babeltrace-bin],
-	[Location of the babeltrace viewer executable (including the filename)]),
+	AS_HELP_STRING([--with-babeltrace-bin], [Location of the babeltrace viewer executable (including the filename)]),
 	[BABELTRACE_BIN="$withval"],
 	[BABELTRACE_BIN=''])
 AC_SUBST([BABELTRACE_BIN])
 
 # lttv-gui
 AC_ARG_WITH([lttv-gui-bin],
-	AS_HELP_STRING([--with-lttv-gui-bin],
-   [Location of the lttv GUI viewer executable (including the filename)]),
-   [LTTV_GUI_BIN="$withval"],
-   [LTTV_GUI_BIN=''])
+	AS_HELP_STRING([--with-lttv-gui-bin], [Location of the lttv GUI viewer executable (including the filename)]),
+	[LTTV_GUI_BIN="$withval"],
+	[LTTV_GUI_BIN=''])
 AC_SUBST([LTTV_GUI_BIN])
 
 AC_ARG_WITH([consumerd32-bin],
-	AS_HELP_STRING([--with-consumerd32-bin],
-	[Location of the 32-bit consumerd executable (including the filename)]),
+	AS_HELP_STRING([--with-consumerd32-bin], [Location of the 32-bit consumerd executable (including the filename)]),
 	[CONSUMERD32_BIN="$withval"],
 	[CONSUMERD32_BIN=''])
 AC_SUBST([CONSUMERD32_BIN])
 
 AC_ARG_WITH([consumerd64-bin],
-	AS_HELP_STRING([--with-consumerd64-bin],
-	[Location of the 64-bit consumerd executable (including the filename)]),
+	AS_HELP_STRING([--with-consumerd64-bin], [Location of the 64-bit consumerd executable (including the filename)]),
 	[CONSUMERD64_BIN="$withval"],
 	[CONSUMERD64_BIN=''])
 AC_SUBST([CONSUMERD64_BIN])
 
 AC_ARG_WITH([consumerd32-libdir],
-	AS_HELP_STRING([--with-consumerd32-libdir],
-	[Directory containing the 32-bit consumerd libraries]),
+	AS_HELP_STRING([--with-consumerd32-libdir], [Directory containing the 32-bit consumerd libraries]),
 	[CONSUMERD32_LIBDIR="$withval"],
 	[CONSUMERD32_LIBDIR=''])
 AC_SUBST([CONSUMERD32_LIBDIR])
 
 AC_ARG_WITH([consumerd64-libdir],
-	AS_HELP_STRING([--with-consumerd64-libdir],
-	[Directory containing the 64-bit consumerd libraries]),
+	AS_HELP_STRING([--with-consumerd64-libdir], [Directory containing the 64-bit consumerd libraries]),
 	[CONSUMERD64_LIBDIR="$withval"],
 	[CONSUMERD64_LIBDIR=''])
 AC_SUBST([CONSUMERD64_LIBDIR])
 
 AC_ARG_WITH([sessiond-bin],
-	AS_HELP_STRING([--with-sessiond-bin],
-	[Location of the sessiond executable (including the filename)]),
+	AS_HELP_STRING([--with-sessiond-bin], [Location of the sessiond executable (including the filename)]),
 	[SESSIOND_BIN="$withval"],
 	[SESSIOND_BIN=''])
 AC_SUBST([SESSIOND_BIN])
 
+# Option to only build the consumer daemon and its libraries
+AC_ARG_WITH([consumerd-only],
+	AS_HELP_STRING([--with-consumerd-only], [Only build the consumer daemon [default=no]]),
+	[consumerd_only=$withval],
+	[consumerd_only=no])
+AM_CONDITIONAL([BUILD_CONSUMERD_ONLY], [test "x$consumerd_only" = "xyes"])
+
 AC_DEFINE_UNQUOTED([CONFIG_CONSUMERD32_BIN], "$CONSUMERD32_BIN", [Location of the 32-bit consumerd executable.])
 AC_DEFINE_UNQUOTED([CONFIG_CONSUMERD64_BIN], "$CONSUMERD64_BIN", [Location of the 64-bit consumerd executable])
 AC_DEFINE_UNQUOTED([CONFIG_CONSUMERD32_LIBDIR], "$CONSUMERD32_LIBDIR", [Search for consumerd 32-bit libraries in this location.])
@@ -117,23 +122,24 @@ AC_DEFINE_UNQUOTED([CONFIG_SESSIOND_BIN], "$SESSIOND_BIN", [Location of the sess
 # Check for pthread
 AC_CHECK_LIB([pthread], [pthread_create], [],
 [
-    # Check for pthread in a bionic libc...
+	# Check for pthread in a bionic libc...
 	AC_CHECK_LIB([c], [pthread_create], [], 
 	[
-	    AC_MSG_ERROR([Cannot find libpthread. Use [LDFLAGS]=-Ldir to specify its location.])
+		AC_MSG_ERROR([Cannot find libpthread. Use [LDFLAGS]=-Ldir to specify its location.])
 	])
-]
-)
+])
 
 # Check low-level endian compat functions
 AC_CHECK_DECL(be64toh, [], 
 [
-	AC_CHECK_DECL(betoh64, [AC_DEFINE_UNQUOTED([LTTNG_HAVE_BETOH64], 1, [Has BSD-style endian conversion operations.])], 
+	AC_CHECK_DECL(betoh64,
+	[
+		AC_DEFINE_UNQUOTED([LTTNG_HAVE_BETOH64], 1, [Has BSD-style endian conversion operations.])
+	],
 	[
 		AC_MSG_ERROR([Cannot find be64toh, betoh64 or any similar functions.])
 	])
-]
-)
+])
 
 # Check if gettid() is already defined
 AC_CHECK_DECL(gettid,
@@ -146,11 +152,10 @@ AC_CHECK_LIB([popt], [poptGetContext], [],
 [
 	# Check for libpopt in oprofile for Android
 	AC_CHECK_LIB([oprofile_popt], [poptGetContext], [], 
-    [
-        AC_MSG_ERROR([Cannot find libpopt. Use [LDFLAGS]=-Ldir to specify its location.])
-    ])
-]
-)
+	[
+		AC_MSG_ERROR([Cannot find libpopt. Use [LDFLAGS]=-Ldir to specify its location.])
+	])
+])
 
 # Check for libuuid
 AC_CHECK_LIB([uuid], [uuid_generate],
@@ -176,8 +181,7 @@ AC_CHECK_LIB([uuid], [uuid_generate],
 			AC_MSG_ERROR([Cannot find libuuid uuid_generate, libc uuid_create nor libext2_uuid uuid_generate. Use [LDFLAGS]=-Ldir to specify their location.])
 		])
 	])
-]
-)
+])
 AM_CONDITIONAL([LTTNG_BUILD_WITH_LIBUUID], [test "x$have_libuuid" = "xyes"])
 AM_CONDITIONAL([LTTNG_BUILD_WITH_LIBC_UUID], [test "x$have_libc_uuid" = "xyes"])
 AM_CONDITIONAL([LTTNG_BUILD_WITH_LIBEXT2_UUID], [test "x$have_libext2_uuid" = "xyes"])
@@ -222,41 +226,59 @@ liburcu_version=">= 0.7.2"
 
 # Check liburcu needed function calls
 AC_CHECK_DECL([cds_list_add], [],
-	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/list.h>]]
-)
+[
+	AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/list.h>]
+])
 AC_CHECK_DECL([cds_wfq_init], [],
-	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/wfqueue.h>]]
-)
+[
+	AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/wfqueue.h>]
+])
 AC_CHECK_DECL([cds_wfq_dequeue_blocking], [],
-    [AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/wfqueue.h>]]
-)
+[
+	AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/wfqueue.h>]
+])
 AC_CHECK_DECL([futex_async], [],
-	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/futex.h>]]
-)
+[
+	AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/futex.h>]
+])
 AC_CHECK_DECL([rcu_thread_offline], [],
-	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu.h>]]
-)
+[
+	AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu.h>]
+])
 AC_CHECK_DECL([rcu_thread_online], [],
-	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu.h>]]
-)
+[
+	AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu.h>]
+])
 AC_CHECK_DECL([caa_likely], [],
-	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu.h>]]
-)
+[
+	AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu.h>]
+])
 
 # Check liblttng-ust-ctl library
 AC_ARG_ENABLE(lttng-ust,
-	AS_HELP_STRING([--disable-lttng-ust],[build without LTTng-UST (Userspace Tracing) support]),
-	lttng_ust_support=$enableval, lttng_ust_support=yes)
+[
+	AS_HELP_STRING([--disable-lttng-ust],[build without LTTng-UST (Userspace Tracing) support])
+],
+[
+	lttng_ust_support=$enableval
+],
+[
+	lttng_ust_support=yes
+])
 
-AS_IF([test "x$lttng_ust_support" = "xyes"], [
+AS_IF([test "x$lttng_ust_support" = "xyes"],
+[
 	AC_CHECK_LIB([lttng-ust-ctl], [ustctl_set_filter],
-		[
-			AC_DEFINE([HAVE_LIBLTTNG_UST_CTL], [1], [has LTTng-UST control support])
-			lttng_ust_ctl_found=yes
-		],
-		[AC_MSG_ERROR([Cannot find LTTng-UST 2.1.x. Use [LDFLAGS]=-Ldir to specify its location, or specify --disable-lttng-ust to build lttng-tools without LTTng-UST support.])],
-		[-lurcu-common -lurcu-bp -lurcu-cds -lc -lrt]
-	)
+	[
+		AC_DEFINE([HAVE_LIBLTTNG_UST_CTL], [1], [has LTTng-UST control support])
+		lttng_ust_ctl_found=yes
+	],
+	[
+		AC_MSG_ERROR([Cannot find LTTng-UST 2.1.x. Use [LDFLAGS]=-Ldir to specify its location, or specify --disable-lttng-ust to build lttng-tools without LTTng-UST support.])
+	],
+	[
+		-lurcu-common -lurcu-bp -lurcu-cds -lc -lrt
+	])
 ])
 AM_CONDITIONAL([HAVE_LIBLTTNG_UST_CTL], [test "x$lttng_ust_ctl_found" = xyes])
 AC_CHECK_FUNCS([sched_getcpu sysconf sync_file_range])
@@ -283,18 +305,15 @@ AM_CONDITIONAL([LTTNG_TOOLS_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"
 AC_CHECK_LIB([c], [fmemopen],
 [
 	AC_DEFINE_UNQUOTED([LTTNG_HAVE_FMEMOPEN], 1, [Has fmemopen support.])
-]
-)
+])
 
 # Check for open_memstream
 AC_CHECK_LIB([c], [open_memstream],
 [
 	AC_DEFINE_UNQUOTED([LTTNG_HAVE_OPEN_MEMSTREAM], 1, [Has open_memstream support.])
-]
-)
+])
 
 AC_ARG_VAR([LTTNG_RUNDIR], [Path to run directory, default to /var/run])
-
 AS_IF([test -n "$LTTNG_RUNDIR"],
 [
 	lttng_rundir=$LTTNG_RUNDIR
@@ -315,54 +334,49 @@ AC_DEFINE_UNQUOTED([DEFAULT_LTTNG_RUNDIR], ["$lttng_rundir"], [Location of the r
 swig_version=2.0.0
 
 AC_ARG_ENABLE([python-bindings],
-              [AC_HELP_STRING([--enable-python-bindings],
-                              [compile Python bindings])],
-              [enable_python=yes], [enable_python=no])
+[
+	AS_HELP_STRING([--enable-python-bindings], [compile Python bindings])
+],
+[
+	enable_python=yes
+],
+[
+	enable_python=no
+])
 
 AM_CONDITIONAL([USE_PYTHON], [test "x${enable_python:-yes}" = xyes])
 
 if test "x${enable_python:-yes}" = xyes; then
-  AX_PKG_SWIG($swig_version, [], [ AC_MSG_ERROR([SWIG $swig_version or newer is needed]) ])
-  AM_PATH_PYTHON
-
-  AC_ARG_VAR([PYTHON_INCLUDE], [Include flags for python, bypassing python-config])
-  AC_ARG_VAR([PYTHON_CONFIG], [Path to python-config])
-  AS_IF([test -z "$PYTHON_INCLUDE"], [
-    AS_IF([test -z "$PYTHON_CONFIG"], [
-      AC_PATH_PROGS([PYTHON_CONFIG],
-                    [python$PYTHON_VERSION-config python-config],
-                    [no],
-                    [`dirname $PYTHON`])
-      AS_IF([test "$PYTHON_CONFIG" = no], [AC_MSG_ERROR([cannot find python-config for $PYTHON. Do you have python-dev installed?])])
-    ])
-    AC_MSG_CHECKING([python include flags])
-    PYTHON_INCLUDE=`$PYTHON_CONFIG --includes`
-    AC_MSG_RESULT([$PYTHON_INCLUDE])
-  ])
-
+	AX_PKG_SWIG($swig_version, [],
+	[
+		AC_MSG_ERROR([SWIG $swig_version or newer is needed])
+	])
+	AM_PATH_PYTHON
+	AC_ARG_VAR([PYTHON_INCLUDE], [Include flags for python, bypassing python-config])
+	AC_ARG_VAR([PYTHON_CONFIG], [Path to python-config])
+	AS_IF([test -z "$PYTHON_INCLUDE"],
+	[
+		AS_IF([test -z "$PYTHON_CONFIG"],
+		[
+			AC_PATH_PROGS([PYTHON_CONFIG], [python$PYTHON_VERSION-config python-config], [no], [`dirname $PYTHON`])
+			AS_IF([test "$PYTHON_CONFIG" = no],
+			[
+				AC_MSG_ERROR([cannot find python-config for $PYTHON. Do you have python-dev installed?])
+			])
+		])
+		AC_MSG_CHECKING([python include flags])
+		PYTHON_INCLUDE=`$PYTHON_CONFIG --includes`
+		AC_MSG_RESULT([$PYTHON_INCLUDE])
+	])
 else
-    AC_MSG_NOTICE([You may configure with --enable-python-bindings ]dnl
-[if you want Python bindings.])
-
+	AC_MSG_NOTICE([You may configure with --enable-python-bindings if you want Python bindings.])
 fi
 
-# Option to only build the consumer daemon and its libraries
-AC_ARG_WITH([consumerd-only],
-	AS_HELP_STRING([--with-consumerd-only],[Only build the consumer daemon [default=no]]),
-	[consumerd_only=$withval],
-	[consumerd_only=no])
-AM_CONDITIONAL([BUILD_CONSUMERD_ONLY], [test "x$consumerd_only" = "xyes"])
-
 # Epoll check. If not present, the build will fallback on poll() API
-AX_HAVE_EPOLL(
-	[AX_CONFIG_FEATURE_ENABLE(epoll)],
-	[AX_CONFIG_FEATURE_DISABLE(epoll)]
-)
-AX_CONFIG_FEATURE(
-	[epoll], [This platform supports epoll(7)],
-	[HAVE_EPOLL], [This platform supports epoll(7).],
-	[enable_epoll="yes"], [enable_epoll="no"]
-)
+AX_HAVE_EPOLL([AX_CONFIG_FEATURE_ENABLE(epoll)],[AX_CONFIG_FEATURE_DISABLE(epoll)])
+AX_CONFIG_FEATURE([epoll], [This platform supports epoll(7)],
+		[HAVE_EPOLL], [This platform supports epoll(7).],
+		[enable_epoll="yes"], [enable_epoll="no"])
 AM_CONDITIONAL([COMPAT_EPOLL], [ test "$enable_epoll" = "yes" ])
 
 AC_SYS_LARGEFILE
@@ -455,37 +469,43 @@ AS_ECHO()
 # Target architecture we're building for
 target_arch=$host_cpu
 [
-for f in $CFLAGS; do
-        if test $f = "-m32"; then
+	for f in $CFLAGS; do
+		if test $f = "-m32"; then
 			target_arch="32-bit"
-        elif test $f = "-m64"; then
+		elif test $f = "-m64"; then
 			target_arch="64-bit"
-        fi
-done
+		fi
+	done
 ]
 AS_ECHO_N("Target architecture: ")
 AS_ECHO($target_arch)
 
 # LTTng-UST enabled/disabled
 AS_ECHO_N("Lttng-UST support: ")
-AS_IF([test "x$lttng_ust_support" = "xyes"],[
+AS_IF([test "x$lttng_ust_support" = "xyes"],
+[
 	AS_ECHO("Enabled")
-],[
+],
+[
 	AS_ECHO("Disabled")
 ])
 
 #Python binding enabled/disabled
 AS_ECHO_N("Python binding: ")
-AS_IF([test "x${enable_python:-yes}" = xyes], [
+AS_IF([test "x${enable_python:-yes}" = xyes],
+[
 	AS_ECHO("Enabled")
-],[
+],
+[
 	AS_ECHO("Disabled")
 ])
 
 # Do we build only the consumerd, or everything
-AS_IF([test "x$consumerd_only" = "xyes"],[
+AS_IF([test "x$consumerd_only" = "xyes"],
+[
 	AS_ECHO("Only the consumerd daemon will be built.")
-],[
+],
+[
 	AS_ECHO("All binaries will be built.")
 ])
 
@@ -497,45 +517,52 @@ AS_ECHO_N("Libraries will be installed in: ")
 AS_ECHO("`eval eval echo $libdir`")
 
 # If we build the sessiond, print the paths it will use
-AS_IF([test "x$consumerd_only" = "xno"],[
+AS_IF([test "x$consumerd_only" = "xno"],
+[
 	AS_ECHO()
 	AS_ECHO_N("The lttng command will look for the lttng-sessiond executable at: ")
-	AS_IF([test "$SESSIOND_BIN" = ""],[
+	AS_IF([test "$SESSIOND_BIN" = ""],
+	[
 		AS_ECHO_N("`eval eval echo $bindir`")
 		AS_ECHO("/lttng-sessiond")
-	],[
+	],
+	[
 		AS_ECHO("$SESSIOND_BIN")
 	])
-
 	AS_ECHO()
 	AS_ECHO("The sessiond daemon will look in the following directories: ")
 	AS_ECHO_N("32-bit consumerd executable at: ")
-	AS_IF([test "$CONSUMERD32_BIN" = ""],[
+	AS_IF([test "$CONSUMERD32_BIN" = ""],
+	[
 		AS_ECHO_N("`eval eval echo $lttnglibexecdir`")
 		AS_ECHO("/lttng-consumerd")
-	],[
+	],
+	[
 		AS_ECHO("$CONSUMERD32_BIN")
 	])
-
 	AS_ECHO_N("32-bit consumer libraries in:   ")
-	AS_IF([test "$CONSUMERD32_LIBDIR" = ""],[
+	AS_IF([test "$CONSUMERD32_LIBDIR" = ""],
+	[
 		AS_ECHO("`eval eval echo $libdir`")
-	],[
+	],
+	[
 		AS_ECHO("$CONSUMERD32_LIBDIR")
 	])
-
 	AS_ECHO_N("64-bit consumerd executable at: ")
-	AS_IF([test "$CONSUMERD64_BIN" = ""],[
+	AS_IF([test "$CONSUMERD64_BIN" = ""],
+	[
 		AS_ECHO_N("`eval eval echo $lttnglibexecdir`")
 		AS_ECHO("/lttng-consumerd")
-	],[
+	],
+	[
 		AS_ECHO("$CONSUMERD64_BIN")
 	])
-
 	AS_ECHO_N("64-bit consumer libraries in:   ")
-	AS_IF([test "$CONSUMERD64_LIBDIR" = ""],[
+	AS_IF([test "$CONSUMERD64_LIBDIR" = ""],
+	[
 		AS_ECHO("`eval eval echo $libdir`")
-	],[
+	],
+	[
 		AS_ECHO("$CONSUMERD64_LIBDIR")
 	])
 ])
-- 
1.8.1.msysgit.1




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