build: Require GLib 2.28.0

[libsigrokdecode.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 47482c2b9a7dd619800983f71d27e1717cc9e7d9..c4960f41d52a57fbd1bb685636ae60222c38b34c 100644 (file)
--- 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  ##
 ############################
@@ -121,7 +130,7 @@ AC_SUBST([SRD_PKGLIBS])
 
 # Retrieve the compile and link flags for all modules combined.
 # Also, bail out at this point if any module dependency is not met.
-PKG_CHECK_MODULES([LIBSIGROKDECODE], [glib-2.0 >= 2.24.0 $SRD_PKGLIBS])
+PKG_CHECK_MODULES([LIBSIGROKDECODE], [glib-2.0 >= 2.28.0 $SRD_PKGLIBS])
 PKG_CHECK_MODULES([TESTS], [$SRD_PKGLIBS_TESTS glib-2.0 $SRD_PKGLIBS])
 
 srd_glib_version=`$PKG_CONFIG --modversion glib-2.0 2>&AS_MESSAGE_LOG_FD`
@@ -138,13 +147,16 @@ 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
 
 Detected libraries (required):
- - glib-2.0 >= 2.24.0.............. $srd_glib_version
+ - glib-2.0 >= 2.28.0.............. $srd_glib_version
 $srd_pkglibs_summary
 Detected libraries (optional):
 $srd_pkglibs_opt_summary