diff -ru SmallBASIC.orig/src/platform/console/main.cpp SmallBASIC/src/platform/console/main.cpp

--- SmallBASIC.orig/src/platform/console/main.cpp	2018-08-18 15:58:59.324509172 +0200

+++ SmallBASIC/src/platform/console/main.cpp	2018-08-18 16:04:21.506628434 +0200

@@ -332,7 +332,7 @@

   return gsb_last_error ? gsb_last_line : 0;

 }

-#if defined(__GNUC__) && !defined(__MACH__) && !defined(_Win32)

+#if defined(__GLIBC__) && !defined(__MACH__) && !defined(_Win32)

 // for analysing excessive malloc calls using kdbg

 extern "C" void *__libc_malloc(size_t size);

 void *malloc(size_t size) {

--- SmallBASIC/configure.ac.orig	2019-04-26 18:35:43.668000000 +0000

+++ SmallBASIC/configure.ac	2019-06-17 08:27:43.108000000 +0000

@@ -117,7 +117,7 @@

    if test "${have_pcre}" = "yes" ; then

      AC_DEFINE(USE_PCRE, 1, [match.c used with libpcre.])

-     PACKAGE_LIBS="${PACKAGE_LIBS} `pcre-config --libs`"

+     PACKAGE_LIBS="${PACKAGE_LIBS} ${PCRE_LIBS}"

    fi

 }

@@ -337,12 +337,12 @@

 checkProfiling

 checkForWindows

-CFLAGS="${CFLAGS} -std=gnu11"

+CFLAGS="${CFLAGS} -std=gnu99"

 PACKAGE_CFLAGS="${PACKAGE_CFLAGS} -Wall -Wno-unused-result"

 BUILD_DATE=`date +"%a, %d %b %Y"`

 AC_DEFINE_UNQUOTED([BUILD_DATE],["$BUILD_DATE"],[Build date])

-SB_DWORD_VER=`awk -F "." '{printf "0x%02d%02d%02d", $1,$2,$3}' <<< ${PACKAGE_VERSION}`

+SB_DWORD_VER=`echo "${PACKAGE_VERSION}" | awk -F "." '{printf "0x%02d%02d%02d", $1,$2,$3}'`

 AC_DEFINE_UNQUOTED([SB_DWORD_VER],[$SB_DWORD_VER],[SB_DWORD_VER])

 AC_SUBST(PACKAGE_CFLAGS)