From 0144621301d4cf61ac5e4fe9874cafa7a451c25e Mon Sep 17 00:00:00 2001
From: Erwin Janssen <erwinjanssen@outlook.com>
Date: Thu, 5 Jan 2017 10:20:19 +0100
Subject: [PATCH] Add lib/fdpgen to CMake build

The static library fdpgen has no dependencies. Two additional function
checks have been added: drand48 and srand48.
---
 cmake/config_checks.cmake |  8 +++++---
 config-cmake.h.in         |  2 ++
 lib/CMakeLists.txt        |  1 +
 lib/fdpgen/CMakeLists.txt | 32 ++++++++++++++++++++++++++++++++
 4 files changed, 40 insertions(+), 3 deletions(-)
 create mode 100644 lib/fdpgen/CMakeLists.txt

diff --git a/cmake/config_checks.cmake b/cmake/config_checks.cmake
index ed4403670..8eb588258 100644
--- a/cmake/config_checks.cmake
+++ b/cmake/config_checks.cmake
@@ -1,13 +1,15 @@
 # Header checks
 include(CheckIncludeFile)
 
-CHECK_INCLUDE_FILE(unistd.h HAVE_UNISTD_H)
+check_include_file(unistd.h HAVE_UNISTD_H)
 
 # Function checks
 include(CheckFunctionExists)
 
-CHECK_FUNCTION_EXISTS( cbrt        HAVE_CBRT       )
-CHECK_FUNCTION_EXISTS( strcasecmp  HAVE_STRCASECMP )
+check_function_exists( drand48     HAVE_DRAND48    )
+check_function_exists( cbrt        HAVE_CBRT       )
+check_function_exists( srand48     HAVE_SRAND48    )
+check_function_exists( strcasecmp  HAVE_STRCASECMP )
 
 # Write check results to config.h header
 configure_file(config-cmake.h.in config.h)
diff --git a/config-cmake.h.in b/config-cmake.h.in
index dce248e0d..4480e4928 100644
--- a/config-cmake.h.in
+++ b/config-cmake.h.in
@@ -5,5 +5,7 @@
 #cmakedefine HAVE_UNISTD_H
 
 // Functions
+#cmakedefine HAVE_DRAND48
 #cmakedefine HAVE_CBRT
+#cmakedefine HAVE_SRAND48
 #cmakedefine HAVE_STRCASECMP
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index f7b9acd04..0e990dab9 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -2,6 +2,7 @@
 add_subdirectory(cdt)
 add_subdirectory(circogen)
 add_subdirectory(dotgen)
+add_subdirectory(fdpgen)
 add_subdirectory(patchwork)
 add_subdirectory(pathplan)
 add_subdirectory(twopigen)
diff --git a/lib/fdpgen/CMakeLists.txt b/lib/fdpgen/CMakeLists.txt
new file mode 100644
index 000000000..992204232
--- /dev/null
+++ b/lib/fdpgen/CMakeLists.txt
@@ -0,0 +1,32 @@
+include_directories(
+    ${CMAKE_CURRENT_SOURCE_DIR}
+    ${GRAPHVIZ_LIB_DIR}/cdt
+    ${GRAPHVIZ_LIB_DIR}/cgraph
+    ${GRAPHVIZ_LIB_DIR}/common
+    ${GRAPHVIZ_LIB_DIR}/gvc
+    ${GRAPHVIZ_LIB_DIR}/neatogen
+    ${GRAPHVIZ_LIB_DIR}/pack
+    ${GRAPHVIZ_LIB_DIR}/pathplan
+    ${GRAPHVIZ_LIB_DIR}/sparse
+)
+
+add_library(fdpgen STATIC
+    # Header files
+    clusteredges.h
+    comp.h
+    dbg.h
+    fdp.h
+    grid.h
+    tlayout.h
+    xlayout.h
+
+    # Source files
+    clusteredges.c
+    comp.c
+    dbg.c
+    fdpinit.c
+    grid.c
+    layout.c
+    tlayout.c
+    xlayout.c
+)
-- 
2.40.0