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-rw-r--r--configure.ac31
1 files changed, 13 insertions, 18 deletions
diff --git a/configure.ac b/configure.ac
index 5841032..1aa606b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,14 +1,18 @@
-m4_define(LIBUSB_MAJOR, [1])
-m4_define(LIBUSB_MINOR, [0])
-m4_define(LIBUSB_MICRO, [8])
-m4_define(LIBUSB_NANO, [9318])
+dnl These m4 macros are whitespace sensitive and break if moved around much.
+m4_define([LU_VERSION_H], m4_include([libusb/version.h]))
+m4_define([LU_DEFINE_VERSION_ATOM],
+ [m4_define([$1], m4_bregexp(LU_VERSION_H,
+ [^#define\s*$1\s*\([0-9]*\).*], [\1]))])
+dnl The m4_bregexp() returns (only) the numbers following the #define named
+dnl in the first macro parameter. m4_define() then defines the name for use
+dnl in AC_INIT().
-AC_INIT([libusb], LIBUSB_MAJOR.LIBUSB_MINOR.LIBUSB_MICRO, [libusb-devel@lists.sourceforge.net], [libusb], [http://www.libusb.org/])
-AC_SUBST([LIBUSB_VERSION_MAJOR], [LIBUSB_MAJOR])
-AC_SUBST([LIBUSB_VERSION_MINOR], [LIBUSB_MINOR])
-AC_SUBST([LIBUSB_VERSION_MICRO], [LIBUSB_MICRO])
-AC_SUBST([LIBUSB_VERSION_NANO], [LIBUSB_NANO])
+LU_DEFINE_VERSION_ATOM([LIBUSB_MAJOR])
+LU_DEFINE_VERSION_ATOM([LIBUSB_MINOR])
+LU_DEFINE_VERSION_ATOM([LIBUSB_MICRO])
+
+AC_INIT([libusb], LIBUSB_MAJOR[.]LIBUSB_MINOR[.]LIBUSB_MICRO, [libusb-devel@lists.sourceforge.net], [libusb], [http://www.libusb.org/])
# Library versioning
# These numbers should be tweaked on every release. Read carefully:
@@ -47,7 +51,6 @@ case $host in
threads="posix"
THREAD_CFLAGS="-pthread"
PC_LIBS_PRIVATE="${PC_LIBS_PRIVATE} -pthread"
- AM_LDFLAGS="-ludev"
AC_CHECK_HEADERS([poll.h])
AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])
;;
@@ -68,13 +71,6 @@ case $host in
*-mingw*)
AC_MSG_RESULT([Windows])
backend="windows"
- threads="windows"
- create_import_lib="yes"
- LIBS="${LIBS} ${PC_LIBS_PRIVATE}"
- # -avoid-version to avoid a naming scheme such as libusb-0.dll
- AM_LDFLAGS="-no-undefined -avoid-version -Wl,--add-stdcall-alias"
- AM_CFLAGS="-std=gnu99 -DWINVER=0x500"
- AC_CHECK_TOOL(RC, windres, no)
AC_CHECK_TOOL(DLLTOOL, dlltool, false)
;;
*-cygwin*)
@@ -210,7 +206,6 @@ AC_SUBST(LTLDFLAGS)
AC_CONFIG_FILES([libusb-1.0.pc])
AC_CONFIG_FILES([Makefile])
AC_CONFIG_FILES([libusb/Makefile])
-AC_CONFIG_FILES([libusb/libusb_version.h])
AC_CONFIG_FILES([examples/Makefile])
AC_CONFIG_FILES([doc/Makefile])
AC_CONFIG_FILES([doc/doxygen.cfg])