X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=cmake%2Fmodules%2FFindExecInfo.cmake;fp=cmake%2Fmodules%2FFindExecInfo.cmake;h=042a1151f5fc34353eff8605182a77434da59f49;hp=0000000000000000000000000000000000000000;hb=907e6c4c2f5e199600b54213f6964d2c50bdc700;hpb=de5e60aac1e7e993d2c82b2e22e3a47ff429f268

diff --git a/cmake/modules/FindExecInfo.cmake b/cmake/modules/FindExecInfo.cmake
new file mode 100644
index 00000000..042a1151
--- /dev/null
+++ b/cmake/modules/FindExecInfo.cmake
@@ -0,0 +1,29 @@
+# Set up execinfo
+
+# The problem with this library is that it is built-in in the Linux glib,
+# while on systems like FreeBSD, it is installed separately and thus needs to be linked to.
+# Therefore, we search for the header to see if the it's available in the first place.
+# If it is available, we try to locate the library to figure out whether it is built-in or not.
+
+find_path(EXECINFO_INCLUDES "execinfo.h")
+
+if(EXECINFO_INCLUDES STREQUAL "EXECINFO_INCLUDES-NOTFOUND")
+  set(EXECINFO_INCLUDES "")
+else(EXECINFO_INCLUDES STREQUAL "EXECINFO_INCLUDES-NOTFOUND")
+  # We found the header file's include dir.
+
+  # Now determine if it's built-in or not, by searching the library file.
+  find_library(EXECINFO_LIBRARIES "execinfo")
+
+  if(EXECINFO_LIBRARIES STREQUAL "EXECINFO_LIBRARIES-NOTFOUND")
+    # Built-in, no further action is needed
+    set(EXECINFO_LIBRARIES "")
+    message(STATUS "Found execinfo (built-in)")
+  else(EXECINFO_LIBRARIES STREQUAL "EXECINFO_LIBRARIES-NOTFOUND")
+    # It's an external library.
+    message(STATUS "Found execinfo: ${EXECINFO_LIBRARIES}")
+  endif(EXECINFO_LIBRARIES STREQUAL "EXECINFO_LIBRARIES-NOTFOUND")
+
+  set(EXECINFO_FOUND true)
+
+endif(EXECINFO_INCLUDES STREQUAL "EXECINFO_INCLUDES-NOTFOUND")