initial commit

configure.ac

@@ -0,0 +1,148 @@
+# -*-sh-*-
+AC_PREREQ(2.61)
+AC_INIT(pcp, `cat VERSION`)
+AC_CONFIG_AUX_DIR(config)
+AC_CONFIG_MACRO_DIR(config)
+
+AC_CONFIG_HEADER(libpcp/config.h)
+AM_INIT_AUTOMAKE
+
+
+ORIG_CFLAGS="${CFLAGS:-none}"
+
+# Checks for programs
+AC_PROG_CC
+AM_PROG_CC_C_O
+AC_PROG_LIBTOOL
+AC_PROG_SED
+AC_PROG_AWK
+AC_PROG_INSTALL
+
+# Allow user to specify flags
+AC_ARG_WITH([cflags],
+        [  --with-cflags           Specify additional flags to pass to compiler],
+        [
+                if test -n "$withval"  &&  test "x$withval" != "xno"  &&  \
+                    test "x${withval}" != "xyes"; then
+                        CFLAGS="$CFLAGS $withval"
+                fi
+        ]
+)
+
+AC_ARG_WITH([ldflags],
+        [  --with-ldflags          Specify additional flags to pass to linker],
+        [
+                if test -n "$withval"  &&  test "x$withval" != "xno"  &&  \
+                    test "x${withval}" != "xyes"; then
+                        LDFLAGS="$LDFLAGS $withval"
+                fi
+        ]
+)
+
+
+
+# Host speciffic checks
+AC_CANONICAL_HOST
+
+# Checks for header files.
+AC_HEADER_STDC
+AC_CHECK_HEADERS(errno.h err.h stdlib.h string.h unistd.h stdio.h getopt.h\
+                 limits.h stddef.h stdint.h sys/types.h sys/stat.h termios.h)
+
+AC_TYPE_SIZE_T
+
+# Checks for library functions.
+AC_CHECK_FUNCS( \
+    arc4random_buf \
+    fread \
+    fopen \
+    free \
+    fwrite \
+    fseek \
+    ftruncate \
+    fprintf \
+    isatty \
+    malloc \
+    memset \
+    memcpy \
+    perror \
+    strnlen \
+    strlen \
+    strtol \
+    sizeof \
+    tcgetattr \
+    umask
+)
+
+AC_MSG_CHECKING([compiler and flags for sanity])
+AC_RUN_IFELSE([AC_LANG_PROGRAM([[ #include <stdio.h> ]], [[ exit(0); ]])],
+        [       AC_MSG_RESULT([yes]) ],
+        [
+                AC_MSG_RESULT([no])
+                AC_MSG_ERROR([*** compiler cannot create working executables, check config.log ***])
+        ],
+        [       AC_MSG_WARN([cross compiling: not checking compiler sanity]) ]
+)
+
+
+# Check for some target-specific stuff
+case "$host" in
+    *-*-aix*) ;;
+    *-*-android*) ;;
+    *-*-cygwin*) ;;
+    *-*-dgux*) ;;
+    *-*-darwin*) ;;
+    *-*-dragonfly*) ;;
+    *-*-haiku*) ;;
+    *-*-hpux*) ;;
+    *-*-irix5*) ;;
+    *-*-irix6*) ;;
+    *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) ;;
+    *-*-linux*) ;;
+    *-*-netbsd*) ;;
+    *-*-freebsd*)
+	# ports install to /usr/local by default, check
+	if test -d "/usr/local/lib" -a -d "/usr/local/include"; then
+	    CFLAGS="$CFLAGS -I/usr/local/include"
+	    LDFLAGS="$LDFLAGS -L/usr/local/lib"
+	fi
+	;;
+    *-*-bsdi*) ;;
+    *-next-*) ;;
+    *-*-openbsd*) ;;
+    *-*-solaris*) ;;
+    *-*-sunos4*) ;;
+    *-ncr-sysv*) ;;
+    *-sni-sysv*) ;;
+    *-*-sysv4.2*) ;;
+    *-*-sysv5*) ;;
+    *-*-sysv*) ;;
+    *-*-sco*) ;;
+    *-*-unicos*) ;;
+    *-dec-osf*) ;;
+    *-*-nto-qnx*) ;;
+    *-*-ultrix*) ;;
+    *-*-lynxos) ;;
+esac
+
+AC_CHECK_LIB(sodium, sodium_init, , [AC_MSG_ERROR([cannot link with -lsodium, install libsodium.])])
+
+AC_MSG_CHECKING([is libsodium compiled correctly])
+AC_RUN_IFELSE([
+AC_LANG_PROGRAM([[
+#include <sodium.h>
+#if crypto_box_PUBLICKEYBYTES != 32 || crypto_box_SECRETKEYBYTES != 32 || crypto_sign_PUBLICKEYBYTES != 32 || crypto_sign_PUBLICKEYBYTES != 32
+#   error "libsodium not built correctly"
+#endif
+]],[[exit(0);]])],
+    [
+	AC_MSG_RESULT([yes])
+    ],
+    [
+	AC_MSG_ERROR([no. please check your libsodium installation, consider re-installing])
+    ]
+)
+
+# Specify output files
+AC_CONFIG_FILES([Makefile libpcp/Makefile src/Makefile man/Makefile tests/Makefile])
+AC_OUTPUT