Add libiberty library

htop-dev · Apr 10, 2024 · 0dff544 · 0dff544
1 parent 1ff81e6
commit 0dff544
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diff --git a/README b/README
@@ -144,6 +144,9 @@ To install on the local system run `make install`. By default `make install` ins
     - default: *no*
     - possible values:
       - unwind-ptrace: use unwind-ptrace to get the backtraces
+  * `--enable-iberty`:
+    enable the demangling support for the backtraces
+    - default: *no*
 
 ## Runtime dependencies:
 `htop` has a set of fixed minimum runtime dependencies, which is kept as minimal as possible:

diff --git a/configure.ac b/configure.ac
@@ -563,6 +563,37 @@ if test "x$enable_backtrace" = xunwind-ptrace; then
    AC_DEFINE([HAVE_BACKTRACE], [1], [Define if the backtraces is enabled])
 fi
 
+AC_ARG_ENABLE([demangling],
+              [AS_HELP_STRING([--enable-demangling],
+                              [enable demangling support for backtraces @<:@default=check@:>@])],
+              [],
+              [enable_demangling=check])
+case "$enable_demangling" in
+   check)
+      enable_demangling=yes
+      AC_CHECK_HEADERS([demangle.h], [], [
+         old_CFLAGS="$CFLAGS"
+         CFLAGS="$CFLAGS -I/usr/include/libiberty"
+         AC_CHECK_HEADERS([libiberty/demangle.h], [], [
+            enable_demangling=no
+            CFLAGS="$old_CFLAGS"
+         ])
+      ])
+      ;;
+   no)
+      ;;
+   yes)
+      AC_CHECK_LIB([iberty], [cplus_demangle], [], [AC_MSG_ERROR([can not find required library iberty])])
+      AC_CHECK_HEADERS([demangle.h], [], [
+         CFLAGS="$CFLAGS -I/usr/include/libiberty"
+         AC_CHECK_HEADERS([libiberty/demangle.h], [], [AC_MSG_ERROR([can not find required header file libiberty/demange.h])])
+      ])
+      ;;
+   *)
+      AC_MSG_ERROR([bad value '$enable_demangling' for --enable-iberty])
+      ;;
+esac
+
 AC_ARG_ENABLE([hwloc],
               [AS_HELP_STRING([--enable-hwloc],
               [enable hwloc support for CPU affinity; disables affinity support; requires libhwloc @<:@default=no@:>@])],
@@ -897,6 +928,7 @@ AC_MSG_RESULT([
   affinity:                  $enable_affinity
   unwind:                    $enable_unwind
   backtrace:                 $enable_backtrace
+  demangling:                $enable_demangling
   hwloc:                     $enable_hwloc
   debug:                     $enable_debug
   static:                    $enable_static