Attachment 121984 Details for Bug 94308 – search for dwarf.h in configure

[patch] search for dwarf.h in configure

0001-Search-for-dwarf.h-in-configure.patch (text/plain), 1.87 KB, created by David King on 2016-02-26 13:48:13 UTC

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Creator: David King

Created: 2016-02-26 13:48:13 UTC

Size: 1.87 KB

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>From be8d71d70bbbd12036b4b9b0e8b08e591c8167aa Mon Sep 17 00:00:00 2001
>From: David King <dking@redhat.com>
>Date: Fri, 26 Feb 2016 10:43:04 +0000
>Subject: [PATCH] Search for dwarf.h in configure
>
>Add a --with-dwarf-header argument for supplying the path containing the
>dwarf.h header from libdwarf. Either a path must be provided, or a fallback
>location of $includedir/libdwarf will be tested.
>
>https://bugs.freedesktop.org/show_bug.cgi?id=94308
>---
> configure.ac | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
>diff --git a/configure.ac b/configure.ac
>index 57cf968..66e1cab 100644
>--- a/configure.ac
>+++ b/configure.ac
>@@ -206,6 +206,26 @@ AS_IF([ test $have_libelf = maybe ], [
> if test x$have_libelf != xyes; then
>   AC_MSG_ERROR([libelf not found])
> fi
>+
>+dnl This only checks for the header, not the library.
>+AC_ARG_WITH([dwarf-header],
>+            [AS_HELP_STRING([--with-dwarf-header],
>+                            [path containing dwarf.h])],
>+            [AS_IF([test "x$with_dwarf_header" = "xno"],
>+                   [AC_MSG_WARN([either a path containing dwarf.h must be
>+provided, or it will be searched for in includedir])])],
>+            [with_dwarf_header=yes])
>+
>+AS_IF([test "x$with_dwarf_header" = "xyes"],
>+      [CPPFLAGS="$CPPFLAGS -I$(eval echo \"$includedir\")/libdwarf"
>+       AC_CHECK_HEADER([dwarf.h])
>+       AS_IF([test "x$ac_cv_header_dwarf_h" != "xyes"],
>+             [AC_MSG_ERROR([dwarf.h is required but was not found; locate it using --with-dwarf-header=/path/containing/header])])],
>+      [CPPFLAGS="$CPPFLAGS -I$with_dwarf_header"
>+       AC_CHECK_HEADER([dwarf.h])
>+       AS_IF([test "x$ac_cv_header_dwarf_h" != "xyes"],
>+             [AC_MSG_ERROR([dwarf.h is required but was not found])])])
>+
> AC_ARG_ENABLE(documentation,
>               AC_HELP_STRING([--enable-documentation], [Build documentation]),,
>               enable_documentation=yes)
>-- 
>2.7.1
>

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