Adding a configure flag to disable the use of the fattening libmagic.

Patch by Mike Frysinger.

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4674 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

diff --git a/ChangeLog b/ChangeLog
index 5d022f75198c436fe51f0f9e3f251689de2dbf43..f24b1a91b05e51dcfff7f4dbbf1c5042cfea8b72 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -11,6 +11,8 @@
        * configure.ac - Newer ncurses installs include pkg-config files
        which tell us the right -I/-L paths we need, so default to that
        before trying the legacy ways.  Patch by Mike Frysinger.
+       * configure.ac - Add a configure flag to disable the use of the
+       fattening libmagic.  Patch by Mike Frysinger.
 
 2014-03-23  Benno Schulenberg  <bensberg@justemail.net>
        * src/rcfile.c (parse_keybinding, parse_unbinding) - Improve a

diff --git a/configure.ac b/configure.ac
index 5f2c63e059ad1d332bb8f32ec6257a1f647974bb..6f6c7e603b584a15b21745e5d8cc243f240ee6dd 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -50,7 +50,7 @@ AC_DEFINE_DIR([PKGDATADIR], [pkgdatadir], [Where data are placed to.])
 
 dnl Checks for header files.
 
-AC_CHECK_HEADERS(getopt.h libintl.h limits.h regex.h sys/param.h wchar.h wctype.h stdarg.h magic.h)
+AC_CHECK_HEADERS(getopt.h libintl.h limits.h regex.h sys/param.h wchar.h wctype.h stdarg.h)
 
 dnl Checks for options.
 
@@ -78,6 +78,8 @@ AC_ARG_ENABLE(tiny,
     AC_DEFINE(DISABLE_WRAPPING, 1, [Define this to disable all text wrapping.])
 fi])
 
+AC_ARG_ENABLE(libmagic,
+AS_HELP_STRING([--disable-libmagic], [Disable detection of file types via libmagic]))
 
 AC_ARG_ENABLE(extra,
 [  --disable-extra          Disable extra features, currently only easter eggs],
@@ -630,7 +632,10 @@ AC_MSG_RESULT(yes),
 AC_MSG_RESULT(no),
 AC_MSG_WARN([*** Can't check for macro redefinability when cross-compiling]))
 
-AC_CHECK_LIB(magic, magic_open)
+AS_IF([test "x$enable_libmagic" != "xno"], [
+  AC_CHECK_HEADERS_ONCE([magic.h])
+  AC_CHECK_LIB(magic, magic_open)
+])
 
 # Check for groff html support
 AC_MSG_CHECKING([for HTML support in groff])