AC_PREREQ([2.69]) AC_INIT([Bip Sexy IRC Proxy], [0.9.0-rc2-git], [http://bip.milkypond.org/projects/bip/activity], [bip], [http://bip.milkypond.org/]) AM_INIT_AUTOMAKE([subdir-objects]) AM_MAINTAINER_MODE m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES]) AC_CONFIG_SRCDIR([src/bip.h]) AC_CONFIG_HEADERS([src/config.h]) # Checks for programs AC_PROG_CC AM_PROG_CC_C_O AC_PROG_INSTALL AM_PROG_LEX AC_PROG_YACC # AC_PROG_YACC falls back to YACC = "yacc" if bison or byacc are not found, # but it does not mean it is present AS_IF([test x"$YACC" = "xyacc"], [ AC_CHECK_PROG([YACC_EXISTS], [yacc], [yes], [no]) AS_IF([test x"$YACC_EXISTS" != xyes], [ YACC=${am_missing_run}yacc ]) ]) # Checks for header files. AC_FUNC_ALLOCA AC_CHECK_HEADERS([arpa/inet.h fcntl.h inttypes.h libintl.h limits.h malloc.h \ netdb.h netinet/in.h stddef.h stdint.h stdlib.h string.h \ sys/socket.h sys/time.h termios.h unistd.h]) # Checks for typedefs, structures, and compiler characteristics. AC_C_INLINE AC_TYPE_INT16_T AC_TYPE_INT32_T AC_TYPE_INT8_T AC_TYPE_PID_T AC_TYPE_SIZE_T AC_TYPE_SSIZE_T AC_TYPE_UINT16_T AC_TYPE_UINT32_T AC_TYPE_UINT8_T AX_C___ATTRIBUTE__ AH_BOTTOM([ /* Unused attributes such as function parameters (GCC extension) */ #ifdef HAVE___ATTRIBUTE__ # define UNUSED(ATTRIBUTE) ATTRIBUTE __attribute__((unused)) #else # define UNUSED(ATTRIBUTE) ATTRIBUTE #endif]) # Checks for library functions. AC_FUNC_FORK AC_FUNC_MALLOC AC_FUNC_MKTIME AC_FUNC_REALLOC AC_CHECK_FUNCS(clock_gettime ftruncate gethostname gettimeofday localtime_r memmove) AC_CHECK_FUNCS(memset mkdir select socket strcasecmp strchr strcspn strdup strerror) AC_CHECK_FUNCS(strrchr strstr) # Deal with parameters AC_ARG_ENABLE([debug], AS_HELP_STRING([--enable-debug], [Enable debug build])) AC_ARG_WITH([openssl], AS_HELP_STRING([--without-openssl], [Disable SSL using OpenSSL])) AC_ARG_ENABLE([oidentd], AS_HELP_STRING([--enable-oidentd], [Enable oidentd support (bip overwrites ~/.oidentd.conf with this on!)])) AC_ARG_ENABLE([pie], AS_HELP_STRING([--disable-pie], [Do not build a position independent executable])) AM_CONDITIONAL(DEBUG, test x$enable_debug = xyes) AS_IF([test "x$enable_debug" = "xyes"], [ AC_CHECK_FUNC(backtrace_symbols_fd, [ AC_DEFINE(HAVE_BACKTRACE, [], [Use glibc backtrace on fatal()]) LDFLAGS="-rdynamic $LDFLAGS" backtrace="(with backtrace)" ]) ], [ enable_debug=no ]) AM_CONDITIONAL(OIDENTD, test x$enable_identd = xyes) AS_IF([test "x$enable_oidentd" = "xyes"], [ AC_DEFINE([HAVE_OIDENTD], [], [Have bip edit ~/.oidentd.conf]) ], [ enable_oidentd=no ]) AS_IF([test "x$with_openssl" != "xno"], [ AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [ AC_MSG_ERROR([library 'crypto' is required for OpenSSL support]) with_openssl=no ], -lcrypto) AC_CHECK_LIB(ssl, SSL_read, [], [ AC_MSG_ERROR([library 'ssl' is required for OpenSSL support]) with_openssl=no ], -lssl) ], [ with_openssl=no ]) AS_IF([test "x$enable_pie" != "xno"], [ AC_CACHE_CHECK([whether $CC accepts PIE flags], [ap_cv_cc_pie], [ save_CFLAGS=$CFLAGS save_LDFLAGS=$LDFLAGS CFLAGS="$CFLAGS -fPIE" LDFLAGS="$LDFLAGS -pie" AC_RUN_IFELSE([AC_LANG_SOURCE([[static int foo[30000]; int main () { return 0; }]])], [ap_cv_cc_pie=yes], [ap_cv_cc_pie=no], [ap_cv_cc_pie=yes] ) CFLAGS=$save_CFLAGS LDFLAGS=$save_LDFLAGS ]) if test "$ap_cv_cc_pie" = "yes"; then CFLAGS="$CFLAGS -fPIE" LDFLAGS="$LDFLAGS -pie" enable_pie=yes fi ]) AC_CONFIG_FILES([Makefile]) AC_OUTPUT AS_IF([test "x$with_openssl" != "xno"], [ echo OPENSSL: yes ]) echo DEBUG: $enable_debug $backtrace echo OIDENTD: $enable_oidentd echo PIE: $enable_pie