| Port details on branch 2026Q3 |
- libunwind Generic stack unwinding library
- 20250904 devel
 =30      20250904Version of this port present on the latest quarterly branch. - Maintainer: sunpoet@FreeBSD.org
- Port Added: 2010-05-05 23:21:22
- Last Update: 2025-12-09 11:21:00
- Commit Hash: 3addc99
- People watching this port, also watch:: readline, libnghttp2, libedit, indexinfo, gmp
- License: MIT
- WWW:
- https://github.com/libunwind/libunwind
- https://www.nongnu.org/libunwind/
- Description:
- The primary goal of this project is to define a portable and efficient C
programming interface (API) to determine the call-chain of a program. The API
additionally provides the means to manipulate the preserved (callee-saved) state
of each call-frame and to resume execution at any point in the call-chain
(non-local goto). The API supports both local (same-process) and remote
(across-process) operation. As such, the API is useful in a number of
applications. Some examples include:
- exception handling
The libunwind API makes it trivial to implement the stack-manipulation aspects
of exception handling.
- debuggers
The libunwind API makes it trivial for debuggers to generate the call-chain
(backtrace) of the threads in a running program.
- introspection
It is often useful for a running thread to determine its call-chain. For
example, this is useful to display error messages (to show how the error came
about) and for performance monitoring/analysis.
- efficient setjmp()
With libunwind, it is possible to implement an extremely efficient version of
setjmp(). Effectively, the only context that needs to be saved consists of the
stack-pointer(s).
  ¦  ¦  ¦  ¦ 
- Manual pages:
-
- pkg-plist: as obtained via:
make generate-plist - USE_RC_SUBR (Service Scripts)
- no SUBR information found for this port
- Dependency lines:
-
- libunwind>0:devel/libunwind
- To install the port:
- cd /usr/ports/devel/libunwind/ && make install clean
- To add the package, run one of these commands:
- pkg install devel/libunwind
- pkg install libunwind
NOTE: If this package has multiple flavors (see below), then use one of them instead of the name specified above.- PKGNAME: libunwind
- Flavors: there is no flavor information for this port.
- ONLY_FOR_ARCHS: aarch64 amd64 armv6 armv7 i386 powerpc powerpc64 powerpc64le
- distinfo:
- TIMESTAMP = 1762366577
SHA256 (libunwind-1.8.3.tar.gz) = be30d910e67f58d82e753231f1357f326a1a088acf126b21ff77e60aab19b90b
SIZE (libunwind-1.8.3.tar.gz) = 981017
Packages (timestamps in pop-ups are UTC):
- Dependencies
- NOTE: FreshPorts displays only information on required and default dependencies. Optional dependencies are not covered.
- Build dependencies:
-
- pkgconf>=1.3.0_1 : devel/pkgconf
- This port is required by:
- for Build
-
- databases/mysql80-client
- databases/mysql80-server
- editors/openoffice-4
- editors/openoffice-devel
-
Deleted ports which required this port:
- for Libraries
-
- audio/amarok
- biology/ncbi-cxx-toolkit
- biology/ucsc-userapps
- comms/gnuradio
- databases/mongodb70
- databases/mongodb80
- databases/mysql-connector-c++
-
Deleted ports which required this port:
- for Run
-
- multimedia/emby-server
- multimedia/jellyfin
- net-p2p/lidarr
- net-p2p/prowlarr
- net-p2p/radarr
- net-p2p/readarr
- net-p2p/sonarr
-
Deleted ports which required this port:
- * - deleted ports are only shown under the This port is required by section. It was harder to do for the Required section. Perhaps later...
Configuration Options:- No options to configure
- Options name:
- devel_libunwind
- USES:
- compiler:c11 cpe libtool pkgconfig
- FreshPorts was unable to extract/find any pkg message
- Master Sites:
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