No need to check return value of libusb_get_device_descriptor().

[libsigrok.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 836048947f3a235e161fcf940c6e4a70191fbdd3..5b8946541ac323a3b52ae893be8a01c4924516c3 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -33,10 +33,6 @@ AM_INIT_AUTOMAKE([1.11 -Wall -Werror no-define nostdinc subdir-objects check-new
 AM_SILENT_RULES([yes])
 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
 
-AH_TOP([#ifndef SR_CONFIG_H
-#define SR_CONFIG_H    /* To stop multiple inclusions. */])
-AH_BOTTOM([#endif /* SR_CONFIG_H */])
-
 AC_CANONICAL_HOST
 
 # Checks for programs.
@@ -48,6 +44,12 @@ AC_PROG_LN_S
 # Required for per-target flags or subdir-objects with C sources.
 AM_PROG_CC_C_O
 
+# Set the standard the C library headers should conform to.
+AH_VERBATIM([_POSIX_C_SOURCE], [/* The targeted POSIX standard. */
+#ifndef _POSIX_C_SOURCE
+# define _POSIX_C_SOURCE 200112L
+#endif])
+
 # Get compiler versions.
 SR_PROG_VERSION([$CC], [sr_cc_version])
 SR_PROG_VERSION([$CXX], [sr_cxx_version])
@@ -344,15 +346,22 @@ PKG_CHECK_EXISTS([pygobject-3.0 < 3.7.91],
        [AC_DEFINE([PYGOBJECT_FLAGS_SIGNED], [1],
                [Whether last argument to pyg_flags_get_value() is signed.])])
 
-# The Python bindings need the setuptools Python module.
-# We'll let it go through even if the AX macro wasn't found,
-# as the Python module may still be there.
-HAVE_PYMOD_SETUPTOOLS=yes
-m4_ifdef([AX_PYTHON_MODULE],
-       [AX_PYTHON_MODULE([setuptools])],
-       [m4_warn([unsupported], [Missing macro AX_PYTHON_MODULE: no setuptools check])])
+# The Python bindings need the setuptools and numpy Python modules.
+# We'll let it go through even if the AX macro wasn't found, as the
+# Python modules may still be there.
+m4_ifdef([AX_PYTHON_MODULE], [
+       AX_PYTHON_MODULE([setuptools])
+       AX_PYTHON_MODULE([numpy])
+], [
+       HAVE_PYMOD_SETUPTOOLS=yes
+       HAVE_PYMOD_NUMPY=yes
+       m4_warn([unsupported],
+               [Missing macro AX_PYTHON_MODULE: no check for setuptools and numpy])
+])
 AS_IF([test "x$HAVE_PYMOD_SETUPTOOLS" != xyes],
        [SR_APPEND([sr_python_missing], [', '], [setuptools])])
+AS_IF([test "x$HAVE_PYMOD_NUMPY" != xyes],
+       [SR_APPEND([sr_python_missing], [', '], [numpy])])
 
 # The Python bindings use SWIG to generate code.
 AC_CHECK_PROGS([SWIG], [swig swig3.0 swig2.0])