r73: moved -pthread option to CFLAGS for platforms that need it

1 files changed, 143 insertions, 140 deletions

diff --git a/configure.ac b/configure.ac
index c1100f4..af1b302 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,140 +1,143 @@
-AC_INIT([libusb], [1.0.5])
-AM_INIT_AUTOMAKE
-AC_CONFIG_SRCDIR([libusb/core.c])
-AC_CONFIG_MACRO_DIR([m4])
-AM_CONFIG_HEADER([config.h])
-m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
-
-AC_PREREQ([2.50])
-AC_PROG_CC
-AC_PROG_LIBTOOL
-AC_C_INLINE
-AM_PROG_CC_C_O
-AC_DEFINE([_GNU_SOURCE], [], [Use GNU extensions])
-
-AC_MSG_CHECKING([operating system])
-case $host in
-*-linux*)
-	AC_DEFINE(OS_LINUX, [], [Linux backend])
-	AC_SUBST(OS_LINUX)
-	AC_MSG_RESULT([Linux])
-	backend="linux"
-	AC_CHECK_LIB(rt, clock_gettime)
-	AM_LDFLAGS=""
-	;;
-*-darwin*)
-	AC_DEFINE(OS_DARWIN, [], [Darwin backend])
-	AC_SUBST(OS_DARWIN)
-	AC_DEFINE(USBI_OS_HANDLES_TIMEOUT, [], [Backend handles timeout])
-	AC_MSG_RESULT([Darwin/MacOS X])
-	backend="darwin"
-	AM_LDFLAGS="-Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation -Wl,-prebind -no-undefined"
-	;;
-*-mingw*)
-	AC_DEFINE(OS_WINDOWS, [], [Windows backend])
-	AC_SUBST(OS_WINDOWS)
-	AC_MSG_RESULT([Windows])
-	backend="windows"
-	LIBS="-lpthreadGC2 -lsetupapi -lole32"
-	AM_LDFLAGS=""
-	;;
-*)
-	AC_MSG_ERROR([unsupported operating system])
-esac
-
-AM_CONDITIONAL([OS_LINUX], [test "x$backend" == "xlinux"])
-AM_CONDITIONAL([OS_DARWIN], [test "x$backend" == "xdarwin"])
-AM_CONDITIONAL([OS_WINDOWS], [test "x$backend" == "xwindows"])
-
-# Library versioning
-lt_major="0"
-lt_revision="0"
-lt_age="0"
-AC_SUBST(lt_major)
-AC_SUBST(lt_revision)
-AC_SUBST(lt_age)
-
-# timerfd
-AC_CHECK_HEADER([sys/timerfd.h], [timerfd_h=1], [timerfd_h=0])
-AC_ARG_ENABLE([timerfd],
-	[AS_HELP_STRING([--enable-timerfd],
-		[use timerfd for timing (default auto)])],
-	[use_timerfd=$enableval], [use_timerfd='auto'])
-
-if test "x$use_timerfd" = "xyes" -a "x$timerfd_h" = "x0"; then
-	AC_MSG_ERROR([timerfd header not available; glibc 2.9+ required])
-fi
-
-AC_CHECK_DECL([TFD_NONBLOCK], [tfd_hdr_ok=yes], [tfd_hdr_ok=no], [#include <sys/timerfd.h>])
-if test "x$use_timerfd" = "xyes" -a "x$tfd_hdr_ok" = "xno"; then
-	AC_MSG_ERROR([timerfd header not usable; glibc 2.9+ required])
-fi
-
-AC_MSG_CHECKING([whether to use timerfd for timing])
-if test "x$use_timerfd" = "xno"; then
-	AC_MSG_RESULT([no (disabled by user)])
-else
-	if test "x$timerfd_h" = "x1" -a "x$tfd_hdr_ok" = "xyes"; then
-		AC_MSG_RESULT([yes])
-		AC_DEFINE(USBI_TIMERFD_AVAILABLE, [], [timerfd headers available])
-	else
-		AC_MSG_RESULT([no (header not available)])
-	fi
-fi
-
-# Message logging
-AC_ARG_ENABLE([log], [AS_HELP_STRING([--disable-log], [disable all logging])],
-	[log_enabled=$enableval],
-	[log_enabled='yes'])
-if test "x$log_enabled" != "xno"; then
-	AC_DEFINE([ENABLE_LOGGING], 1, [Message logging])
-fi
-
-AC_ARG_ENABLE([debug-log], [AS_HELP_STRING([--enable-debug-log],
-	[enable debug logging (default n)])],
-	[debug_log_enabled=$enableval],
-	[debug_log_enabled='no'])
-if test "x$debug_log_enabled" != "xno"; then
-	AC_DEFINE([ENABLE_DEBUG_LOGGING], 1, [Debug message logging])
-fi
-
-# Examples build
-AC_ARG_ENABLE([examples-build], [AS_HELP_STRING([--enable-examples-build],
-	[build example applications (default n)])],
-	[build_examples=$enableval],
-	[build_examples='no'])
-AM_CONDITIONAL([BUILD_EXAMPLES], [test "x$build_examples" != "xno"])
-
-# Restore gnu89 inline semantics on gcc 4.3 and newer
-saved_cflags="$CFLAGS"
-CFLAGS="$CFLAGS -fgnu89-inline"
-AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]), inline_cflags="-fgnu89-inline", inline_cflags="")
-CFLAGS="$saved_cflags"
-
-# check for -fvisibility=hidden compiler support (GCC >= 3.4)
-saved_cflags="$CFLAGS"
-CFLAGS="$CFLAGS -fvisibility=hidden"
-AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]),
-	[VISIBILITY_CFLAGS="-fvisibility=hidden"
-	 AC_DEFINE([API_EXPORTED], [__attribute__((visibility("default")))], [Default visibility]) ],
-	[ VISIBILITY_CFLAGS=""
-	 AC_DEFINE([API_EXPORTED], [], [Default visibility]) ],
-	])
-CFLAGS="$saved_cflags"
-
-# check for -Wno-pointer-sign compiler support (GCC >= 4)
-saved_cflags="$CFLAGS"
-CFLAGS="$CFLAGS -Wno-pointer-sign"
-AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]),
-	nopointersign_cflags="-Wno-pointer-sign", nopointersign_cflags="")
-CFLAGS="$saved_cflags"
-
-AM_CFLAGS="-std=gnu99 $inline_cflags -Wall -Wundef -Wunused -Wstrict-prototypes -Werror-implicit-function-declaration $nopointersign_cflags -Wshadow"
-
-AC_SUBST(VISIBILITY_CFLAGS)
-AC_SUBST(AM_CFLAGS)
-AC_SUBST(AM_LDFLAGS)
-
-AC_CONFIG_FILES([libusb-1.0.pc] [Makefile] [libusb/Makefile] [examples/Makefile] [doc/Makefile] [doc/doxygen.cfg])
-AC_OUTPUT
-
+AC_INIT([libusb], [1.0.5])

+AM_INIT_AUTOMAKE

+AC_CONFIG_SRCDIR([libusb/core.c])

+AC_CONFIG_MACRO_DIR([m4])

+AM_CONFIG_HEADER([config.h])

+m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])

+

+AC_PREREQ([2.50])

+AC_PROG_CC

+AC_PROG_LIBTOOL

+AC_C_INLINE

+AM_PROG_CC_C_O

+AC_DEFINE([_GNU_SOURCE], [], [Use GNU extensions])

+

+AC_MSG_CHECKING([operating system])

+case $host in

+*-linux*)

+	AC_DEFINE(OS_LINUX, [], [Linux backend])

+	AC_SUBST(OS_LINUX)

+	AC_MSG_RESULT([Linux])

+	backend="linux"

+	AC_CHECK_LIB(rt, clock_gettime)

+	CFLAGS="-pthread"

+	AM_LDFLAGS=""

+	;;

+*-darwin*)

+	AC_DEFINE(OS_DARWIN, [], [Darwin backend])

+	AC_SUBST(OS_DARWIN)

+	AC_DEFINE(USBI_OS_HANDLES_TIMEOUT, [], [Backend handles timeout])

+	AC_MSG_RESULT([Darwin/MacOS X])

+	backend="darwin"

+	CFLAGS="-pthread"

+	AM_LDFLAGS="-Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation -Wl,-prebind -no-undefined"

+	;;

+*-mingw*)

+	AC_DEFINE(OS_WINDOWS, [], [Windows backend])

+	AC_SUBST(OS_WINDOWS)

+	AC_MSG_RESULT([Windows])

+	backend="windows"

+	LIBS="-lpthreadGC2 -lsetupapi -lole32"

+	CFLAGS=""	

+	AM_LDFLAGS=""

+	;;

+*)

+	AC_MSG_ERROR([unsupported operating system])

+esac

+

+AM_CONDITIONAL([OS_LINUX], [test "x$backend" == "xlinux"])

+AM_CONDITIONAL([OS_DARWIN], [test "x$backend" == "xdarwin"])

+AM_CONDITIONAL([OS_WINDOWS], [test "x$backend" == "xwindows"])

+

+# Library versioning

+lt_major="0"

+lt_revision="0"

+lt_age="0"

+AC_SUBST(lt_major)

+AC_SUBST(lt_revision)

+AC_SUBST(lt_age)

+

+# timerfd

+AC_CHECK_HEADER([sys/timerfd.h], [timerfd_h=1], [timerfd_h=0])

+AC_ARG_ENABLE([timerfd],

+	[AS_HELP_STRING([--enable-timerfd],

+		[use timerfd for timing (default auto)])],

+	[use_timerfd=$enableval], [use_timerfd='auto'])

+

+if test "x$use_timerfd" = "xyes" -a "x$timerfd_h" = "x0"; then

+	AC_MSG_ERROR([timerfd header not available; glibc 2.9+ required])

+fi

+

+AC_CHECK_DECL([TFD_NONBLOCK], [tfd_hdr_ok=yes], [tfd_hdr_ok=no], [#include <sys/timerfd.h>])

+if test "x$use_timerfd" = "xyes" -a "x$tfd_hdr_ok" = "xno"; then

+	AC_MSG_ERROR([timerfd header not usable; glibc 2.9+ required])

+fi

+

+AC_MSG_CHECKING([whether to use timerfd for timing])

+if test "x$use_timerfd" = "xno"; then

+	AC_MSG_RESULT([no (disabled by user)])

+else

+	if test "x$timerfd_h" = "x1" -a "x$tfd_hdr_ok" = "xyes"; then

+		AC_MSG_RESULT([yes])

+		AC_DEFINE(USBI_TIMERFD_AVAILABLE, [], [timerfd headers available])

+	else

+		AC_MSG_RESULT([no (header not available)])

+	fi

+fi

+

+# Message logging

+AC_ARG_ENABLE([log], [AS_HELP_STRING([--disable-log], [disable all logging])],

+	[log_enabled=$enableval],

+	[log_enabled='yes'])

+if test "x$log_enabled" != "xno"; then

+	AC_DEFINE([ENABLE_LOGGING], 1, [Message logging])

+fi

+

+AC_ARG_ENABLE([debug-log], [AS_HELP_STRING([--enable-debug-log],

+	[enable debug logging (default n)])],

+	[debug_log_enabled=$enableval],

+	[debug_log_enabled='no'])

+if test "x$debug_log_enabled" != "xno"; then

+	AC_DEFINE([ENABLE_DEBUG_LOGGING], 1, [Debug message logging])

+fi

+

+# Examples build

+AC_ARG_ENABLE([examples-build], [AS_HELP_STRING([--enable-examples-build],

+	[build example applications (default n)])],

+	[build_examples=$enableval],

+	[build_examples='no'])

+AM_CONDITIONAL([BUILD_EXAMPLES], [test "x$build_examples" != "xno"])

+

+# Restore gnu89 inline semantics on gcc 4.3 and newer

+saved_cflags="$CFLAGS"

+CFLAGS="$CFLAGS -fgnu89-inline"

+AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]), inline_cflags="-fgnu89-inline", inline_cflags="")

+CFLAGS="$saved_cflags"

+

+# check for -fvisibility=hidden compiler support (GCC >= 3.4)

+saved_cflags="$CFLAGS"

+CFLAGS="$CFLAGS -fvisibility=hidden"

+AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]),

+	[VISIBILITY_CFLAGS="-fvisibility=hidden"

+	 AC_DEFINE([API_EXPORTED], [__attribute__((visibility("default")))], [Default visibility]) ],

+	[ VISIBILITY_CFLAGS=""

+	 AC_DEFINE([API_EXPORTED], [], [Default visibility]) ],

+	])

+CFLAGS="$saved_cflags"

+

+# check for -Wno-pointer-sign compiler support (GCC >= 4)

+saved_cflags="$CFLAGS"

+CFLAGS="$CFLAGS -Wno-pointer-sign"

+AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]),

+	nopointersign_cflags="-Wno-pointer-sign", nopointersign_cflags="")

+CFLAGS="$saved_cflags"

+

+AM_CFLAGS="-std=gnu99 $inline_cflags -Wall -Wundef -Wunused -Wstrict-prototypes -Werror-implicit-function-declaration $nopointersign_cflags -Wshadow"

+

+AC_SUBST(VISIBILITY_CFLAGS)

+AC_SUBST(AM_CFLAGS)

+AC_SUBST(AM_LDFLAGS)

+

+AC_CONFIG_FILES([libusb-1.0.pc] [Makefile] [libusb/Makefile] [examples/Makefile] [doc/Makefile] [doc/doxygen.cfg])

+AC_OUTPUT

+