X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=configure.ac;h=09bfd56802356600c495fd1b456ace7b844fa0ba;hp=47482c2b9a7dd619800983f71d27e1717cc9e7d9;hb=b480383d4605915f7b4cd8f14ccf62af9bf710f3;hpb=a4b5d9a99e4d202ccd65bc77624949e68a858e3a

diff --git a/configure.ac b/configure.ac
index 47482c2..09bfd56 100644
--- a/configure.ac
+++ b/configure.ac
@@ -33,9 +33,7 @@ AM_INIT_AUTOMAKE([1.11 -Wall -Werror no-define subdir-objects check-news color-t
 AM_SILENT_RULES([yes])
 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
 
-AH_TOP([#ifndef SRD_CONFIG_H
-#define SRD_CONFIG_H    /* To stop multiple inclusions. */])
-AH_BOTTOM([#endif /* SRD_CONFIG_H */])
+AC_CANONICAL_HOST
 
 # Checks for programs.
 AC_PROG_CC
@@ -45,6 +43,15 @@ 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], [srd_cc_version])
+
 # Initialize libtool.
 LT_INIT
 
@@ -57,6 +64,8 @@ SR_PKG_VERSION_SET([SRD_PACKAGE_VERSION], [AC_PACKAGE_VERSION])
 # http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
 SR_LIB_VERSION_SET([SRD_LIB_VERSION], [2:0:0])
 
+AM_CONDITIONAL([WIN32], [test -z "${host_os##mingw*}" || test -z "${host_os##cygwin*}"])
+
 ############################
 ##  Package dependencies  ##
 ############################
@@ -138,7 +147,10 @@ libsigrokdecode configuration summary:
  - Prefix.......................... $prefix
  - Building on..................... $build
  - Building for.................... $host
+
+Compile configuration:
  - C compiler...................... $CC
+ - C compiler version.............. $srd_cc_version
  - C compiler flags................ $CFLAGS
  - Additional C compiler flags..... $SRD_EXTRA_CFLAGS
  - C compiler warnings............. $SRD_WFLAGS