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diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2d23226..1798a96 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -74,6 +74,35 @@ if (NOT HAVE_REALLOCARRAY_SUPPORT)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DCOMPAT_NEED_REALLOCARRAY")
endif()
+CHECK_C_SOURCE_COMPILES(
+"
+#include <obstack.h>
+int main(void)
+{
+ _obstack_begin(0, 0, 0, NULL, NULL);
+ return 0;
+}
+" LIBC_IMPLEMENTS_OBSTACK)
+if (NOT LIBC_IMPLEMENTS_OBSTACK)
+ find_package(OBSTACK)
+endif()
+
+CHECK_C_SOURCE_COMPILES(
+"
+#include <obstack.h>
+int main(void)
+{
+ int argc=1;
+ char *argv[]={\"argp\"};
+ argp_parse(0,argc,&argv,0,0,0); return 0;
+ return 0;
+}
+" LIBC_IMPLEMENTS_ARGP)
+
+if (NOT LIBC_IMPLEMENTS_ARGP)
+ find_package(ARGP)
+endif()
+
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64")
file(GLOB libbpf_sources "lib/bpf/src/*.c")
@@ -91,7 +120,8 @@ set_target_properties(dwarves PROPERTIES VERSION 1.0.0 SOVERSION 1)
set_target_properties(dwarves PROPERTIES INTERFACE_LINK_LIBRARIES "")
target_include_directories(dwarves PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/lib/bpf/include/uapi)
-target_link_libraries(dwarves ${DWARF_LIBRARIES} ${ZLIB_LIBRARIES})
+target_link_libraries(dwarves ${DWARF_LIBRARIES} ${ZLIB_LIBRARIES}
+ ${ARGP_LIBRARY} ${OBSTACK_LIBRARY})
set(dwarves_emit_LIB_SRCS dwarves_emit.c)
add_library(dwarves_emit SHARED ${dwarves_emit_LIB_SRCS})
diff --git a/cmake/modules/FindARGP.cmake b/cmake/modules/FindARGP.cmake
new file mode 100644
index 0000000..aa7984f
--- /dev/null
+++ b/cmake/modules/FindARGP.cmake
@@ -0,0 +1,17 @@
+# - Find argp
+# If argp_parse is not implemented by libc find
+# a standalone version.
+
+message(STATUS "Checking availability of standalone argp library")
+
+find_path(ARGP_INCLUDE_DIR argp.h
+ /usr/include
+ /usr/local/include
+ /usr/include/libdwarf
+ ~/usr/local/include
+)
+
+find_library(ARGP_LIBRARY
+ NAMES argp
+ PATHS /usr/lib /usr/local/lib /usr/lib64 /usr/local/lib64 ~/usr/local/lib ~/usr/local/lib64
+)
diff --git a/cmake/modules/FindOBSTACK.cmake b/cmake/modules/FindOBSTACK.cmake
new file mode 100644
index 0000000..905fc4c
--- /dev/null
+++ b/cmake/modules/FindOBSTACK.cmake
@@ -0,0 +1,19 @@
+# - Find obstack
+# If obstack is not implemented by libc find
+# a standalone version.
+
+message(STATUS "Checking availability of standalone obstack library")
+
+INCLUDE(CheckLibraryExists)
+
+find_path(OBSTACK_INCLUDE_DIR obstack.h
+ /usr/include
+ /usr/local/include
+ /usr/include/libdwarf
+ ~/usr/local/include
+)
+
+find_library(OBSTACK_LIBRARY
+ NAMES obstack
+ PATHS /usr/lib /usr/local/lib /usr/lib64 /usr/local/lib64 ~/usr/local/lib ~/usr/local/lib64
+)
diff --git a/dtagnames.c b/dtagnames.c
index 0ffcbf7..1629fb3 100644
--- a/dtagnames.c
+++ b/dtagnames.c
@@ -14,9 +14,11 @@
static void print_malloc_stats(void)
{
+#ifdef __GLIBC__
struct mallinfo m = mallinfo();
fprintf(stderr, "size: %u\n", m.uordblks);
+#endif
}
static int class__tag_name(struct tag *tag, struct cu *cu __unused,
diff --git a/dutil.h b/dutil.h
index 0f5f74a..3d771c4 100644
--- a/dutil.h
+++ b/dutil.h
@@ -15,6 +15,7 @@
#include <elf.h>
#include <gelf.h>
#include <asm/bitsperlong.h>
+#include <linux/stddef.h>
#include "rbtree.h"
#define BITS_PER_LONG __BITS_PER_LONG
diff --git a/dwarves.c b/dwarves.c
index eb7885f..a437761 100644
--- a/dwarves.c
+++ b/dwarves.c
@@ -14,6 +14,7 @@
#include <fcntl.h>
#include <fnmatch.h>
#include <libelf.h>
+#include <limits.h>
#include <search.h>
#include <stdio.h>
#include <stdarg.h>
diff --git a/dwarves_fprintf.c b/dwarves_fprintf.c
index b8124a1..310631e 100644
--- a/dwarves_fprintf.c
+++ b/dwarves_fprintf.c
@@ -1910,7 +1910,11 @@ void cus__print_error_msg(const char *progname, const struct cus *cus,
void dwarves__fprintf_init(uint16_t user_cacheline_size)
{
if (user_cacheline_size == 0) {
+#ifdef __GLIBC__
long sys_cacheline_size = sysconf(_SC_LEVEL1_DCACHE_LINESIZE);
+#else
+ long sys_cacheline_size = 0;
+#endif
if (sys_cacheline_size > 0)
cacheline_size = sys_cacheline_size;
diff --git a/dwarves_reorganize.c b/dwarves_reorganize.c
index bae5b6e..62616f3 100644
--- a/dwarves_reorganize.c
+++ b/dwarves_reorganize.c
@@ -10,6 +10,7 @@
#include "list.h"
#include "dwarves_reorganize.h"
#include "dwarves.h"
+#include "dutil.h"
static void class__recalc_holes(struct class *class)
{
diff --git a/hash.h b/hash.h
index d3aa416..b1bd419 100644
--- a/hash.h
+++ b/hash.h
@@ -15,6 +15,7 @@
*/
#include <stdint.h>
+#include <sys/reg.h>
/* 2^31 + 2^29 - 2^25 + 2^22 - 2^19 - 2^16 + 1 */
#define GOLDEN_RATIO_PRIME_32 0x9e370001UL
diff --git a/lib/bpf/src/libbpf.c b/lib/bpf/src/libbpf.c
index 514b1a5..b187734 100644
--- a/lib/bpf/src/libbpf.c
+++ b/lib/bpf/src/libbpf.c
@@ -32,6 +32,7 @@
#include <linux/filter.h>
#include <linux/list.h>
#include <linux/limits.h>
+#include <linux/stddef.h>
#include <linux/perf_event.h>
#include <linux/ring_buffer.h>
#include <linux/version.h>
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