origcflags="$CFLAGS"
-AC_PREREQ(2.69)
+AC_PREREQ([2.69])
AC_INIT([tinc], m4_esyscmd_s((git describe || echo UNKNOWN) | sed 's/release-//'))
AC_CONFIG_SRCDIR([src/tincd.c])
AM_INIT_AUTOMAKE([std-options subdir-objects nostdinc silent-rules -Wall])
dnl Checks for programs.
AC_PROG_CC
-AC_PROG_CC_STDC
+AC_PROG_CC_C99
AC_PROG_CPP
AC_PROG_INSTALL
+AC_PROG_LN_S
AM_PROG_CC_C_O
dnl Check whether to enable code coverage testing, and if so, clear the default CFLAGS.
*mingw*)
mingw=true
AC_DEFINE(HAVE_MINGW, 1, [MinGW])
- LIBS="$LIBS -lws2_32 -lgdi32 -lcrypt32 -liphlpapi"
+ LIBS="$LIBS -lws2_32 -lgdi32 -lcrypt32 -liphlpapi -lwinpthread"
LDFLAGS="$LDFLAGS -static"
CPPFLAGS="$CPPFLAGS -DMINIUPNP_STATICLIB"
;;
AC_ARG_ENABLE([hardening], AS_HELP_STRING([--disable-hardening], [disable compiler and linker hardening flags]))
AS_IF([test "x$enable_hardening" != "xno"],
- [AX_CHECK_COMPILE_FLAG([-DFORTIFY_SOURCE=2], [CPPFLAGS="$CPPFLAGS -DFORTIFY_SOURCE=2"])
+ [AX_CHECK_COMPILE_FLAG([-D_FORTIFY_SOURCE=2], [CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"])
AX_CHECK_COMPILE_FLAG([-fwrapv], [CPPFLAGS="$CPPFLAGS -fwrapv"],
AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CPPFLAGS="$CPPFLAGS -fno-strict-overflow"]))
case $host_os in
*mingw*)
AX_CHECK_LINK_FLAG([-Wl,--dynamicbase], [LDFLAGS="$LDFLAGS -Wl,--dynamicbase"])
AX_CHECK_LINK_FLAG([-Wl,--nxcompat], [LDFLAGS="$LDFLAGS -Wl,--nxcompat"])
+ AX_CHECK_LINK_FLAG([-lssp], [LDFLAGS="$LDFLAGS -lssp"])
;;
*)
AX_CHECK_COMPILE_FLAG([-fPIE], [CPPFLAGS="$CPPFLAGS -fPIE"])
esac
AX_CHECK_LINK_FLAG([-Wl,-z,relro], [LDFLAGS="$LDFLAGS -Wl,-z,relro"])
AX_CHECK_LINK_FLAG([-Wl,-z,now], [LDFLAGS="$LDFLAGS -Wl,-z,now"])
+ AX_CHECK_COMPILE_FLAG([-W -Wextra -pedantic -Wreturn-type -Wold-style-definition -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wbad-function-cast -Wwrite-strings -fdiagnostics-show-option -fstrict-aliasing -Wmissing-noreturn],
+ [CPPFLAGS="$CPPFLAGS -W -Wextra -pedantic -Wreturn-type -Wold-style-definition -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wbad-function-cast -Wwrite-strings -fdiagnostics-show-option -fstrict-aliasing -Wmissing-noreturn"])
]
);
dnl These are defined in files in m4/
-dnl AC_ARG_WITH(libgcrypt, AC_HELP_STRING([--with-libgcrypt], [enable use of libgcrypt instead of OpenSSL])], [])
-dnl AC_ARG_WITH(openssl, AC_HELP_STRING([--without-openssl], [disable support for OpenSSL])], [])
+dnl AC_ARG_WITH(libgcrypt, AS_HELP_STRING([--with-libgcrypt], [enable use of libgcrypt instead of OpenSSL])], [])
+dnl AC_ARG_WITH(openssl, AS_HELP_STRING([--without-openssl], [disable support for OpenSSL])], [])
tinc_CURSES
tinc_READLINE