AC_PREREQ(2.60) AC_INIT(sbc, 0.0) AM_INIT_AUTOMAKE([foreign subdir-objects color-tests]) AM_CONFIG_HEADER(config.h) m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) AM_MAINTAINER_MODE AC_PREFIX_DEFAULT(/usr/local) COMPILER_FLAGS AC_LANG_C AC_PROG_CC AC_PROG_CC_PIE AC_PROG_INSTALL LT_INIT AC_ARG_ENABLE(optimization, AC_HELP_STRING([--disable-optimization], [disable code optimization through compiler]), [ if (test "${enableval}" = "no"); then CFLAGS="$CFLAGS -O0" fi ]) AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [enable compiling with debugging information]), [ if (test "${enableval}" = "yes" && test "${ac_cv_prog_cc_g}" = "yes"); then CFLAGS="$CFLAGS -g" fi ]) AC_ARG_ENABLE(pie, AC_HELP_STRING([--enable-pie], [enable position independent executables flag]), [ if (test "${enableval}" = "yes" && test "${ac_cv_prog_cc_pie}" = "yes"); then CFLAGS="$CFLAGS -fPIE" LDFLAGS="$LDFLAGS -pie" fi ]) AC_OUTPUT(Makefile)