Initial import.

1 files changed, 54 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
new file mode 100644
index 00000000..f984a55c
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,54 @@
+#                                               -*- Autoconf -*-
+# Process this file with autoconf to produce a configure script.
+
+AC_PREREQ(2.57)
+AC_INIT([htop],[UNRELEASED-2006.01.12],[loderunner@users.sourceforge.net])
+AM_INIT_AUTOMAKE
+AC_CONFIG_SRCDIR([htop.c])
+AC_CONFIG_HEADER([config.h])
+
+# Checks for programs.
+AC_PROG_CC
+
+# Checks for libraries.
+AC_CHECK_LIB([ncurses], [refresh])
+AC_CHECK_LIB([m], [ceil])
+
+# Checks for header files.
+AC_HEADER_DIRENT
+AC_HEADER_STDC
+AC_CHECK_HEADERS([stdlib.h string.h strings.h sys/param.h sys/time.h unistd.h curses.h])
+
+# Checks for typedefs, structures, and compiler characteristics.
+AC_HEADER_STDBOOL
+AC_C_CONST
+AC_TYPE_PID_T
+AC_TYPE_UID_T
+
+# Checks for library functions.
+AC_FUNC_CLOSEDIR_VOID
+AC_FUNC_MALLOC
+AC_FUNC_REALLOC
+AC_TYPE_SIGNAL
+AC_FUNC_STAT
+AC_CHECK_FUNCS([memmove strncasecmp strstr strdup])
+
+CFLAGS="${CFLAGS} -std=c99"
+AC_MSG_CHECKING([whether gcc -std=c99 option works])
+AC_TRY_COMPILE(AC_INCLUDES_DEFAULT, [char *a; a = strdup("foo"); int i = 0; i++; // C99],
+   AC_MSG_RESULT([yes]),
+   AC_MSG_ERROR([htop is written in C99. A newer version of gcc is required.]))
+
+PROCDIR=/proc
+AC_ARG_WITH(proc, [  --with-proc=DIR      Location of a Linux-compatible proc filesystem (default=/proc).],
+
+   if test -n "$withval"; then
+      AC_DEFINE_UNQUOTED(PROCDIR, "$withval", [Path of proc filesystem])
+   fi,
+   AC_DEFINE(PROCDIR, "/proc", [Path of proc filesystem]))
+
+AC_CHECK_FILE(/proc/stat,,AC_MSG_ERROR(Cannot find /proc/stat. Make sure you have a Linux-compatible /proc filesystem mounted. See the file README for help.))
+AC_CHECK_FILE(/proc/meminfo,,AC_MSG_ERROR(Cannot find /proc/meminfo. Make sure you have a Linux-compatible /proc filesystem mounted. See the file README for help.))
+
+AC_CONFIG_FILES([Makefile])
+AC_OUTPUT