include: nuke include directory for BSD and Linux

[thirdparty/lldpd.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 627eab45d2346febf598f8ed03031ee6ed07a273..11ec21a82b5e46c75ad201001566c14d78f399f0 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -5,7 +5,7 @@
 ### Base configuration
 
 # Configure autoconf
-AC_PREREQ([2.64])
+AC_PREREQ([2.69])
 
 AC_INIT([lldpd],
         [m4_esyscmd_s([./get-version])],
@@ -14,7 +14,7 @@ AC_INIT([lldpd],
         [https://lldpd.github.io/])
 
 AC_CONFIG_SRCDIR([src/log.c])
-AC_CONFIG_HEADER([config.h])
+AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_FILES([Makefile
                  src/Makefile
                  src/compat/Makefile
@@ -48,11 +48,17 @@ AC_PROG_CC_C99
 if test x"$ac_cv_prog_cc_c99" = x"no"; then
   AC_MSG_FAILURE([*** C99 support is mandatory])
 fi
+AC_PROG_CPP
 AM_PROG_CC_C_O
-AC_PROG_LIBTOOL
+LT_INIT
 AC_PROG_LN_S
 AC_PROG_EGREP
 AC_PROG_AWK
+AC_PROG_SED
+
+# Check for pkg-config
+m4_ifndef([PKG_CHECK_MODULES], [
+  AC_MSG_ERROR([PKG_CHECK_MODULES not found. Please install pkg-config and re-run autogen.sh])])
 
 # Doxygen
 DX_HTML_FEATURE(ON)
@@ -188,11 +194,10 @@ if test x"$with_libbsd" != x"no"; then
     CFLAGS="$CFLAGS $libbsd_CFLAGS"
     LIBS="$LIBS $libbsd_LIBS"
     AC_MSG_CHECKING([if libbsd can be linked correctly])
-    AC_TRY_LINK([
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[
   @%:@include <sys/time.h>
   @%:@include <sys/types.h>
-  ],[],
-      [
+  ]], [[]])],[
         AC_MSG_RESULT(yes)
         LLDP_CFLAGS="$LLDP_CFLAGS $libbsd_CFLAGS"
         LLDP_LDFLAGS="$LLDP_LDFLAGS $libbsd_LIBS"
@@ -382,8 +387,16 @@ fi
 
 AX_BUILD_DATE_EPOCH(BUILD_DATE, "%FT%TZ", [BUILD_DATE="(unknown)"])
 AC_DEFINE_UNQUOTED(BUILD_DATE, "[$BUILD_DATE]", [Build date and time])
+
+dnl per reproducible-builds.org check SOURCE_DATE_EPOCH
+dnl
+if test -z "${SOURCE_DATE_EPOCH+set}" ; then
 AC_DEFINE_UNQUOTED(LLDP_CC, "[$CC $LLDP_CFLAGS $LLDP_CPPFLAGS $CFLAGS $CPPFLAGS]", [C compiler command])
 AC_DEFINE_UNQUOTED(LLDP_LD, "[$LD $LLDP_LDFLAGS $LLDP_BIN_LDFLAGS $LDFLAGS $LIBS]", [Linker compiler command])
+else
+AC_DEFINE_UNQUOTED(LLDP_CC, "[C compiler command is not available for reproducible builds]", [C compiler command])
+AC_DEFINE_UNQUOTED(LLDP_LD, "[Linker compiler command is not available for reproducible builds]", [Linker compiler command])
+fi
 
 #######################
 # Output results