[Buildroot] [PATCH 1/1] package/libfreeimage: fix musl build

[Fabrice Fontaine]

Fix the following musl build failure:

In file included from /nvmedata/autobuild/instance-12/output-1/per-package/libfreeimage/host/armeb-buildroot-linux-musleabi/sysroot/usr/include/pthread.h:31,
                 from /nvmedata/autobuild/instance-12/output-1/per-package/libfreeimage/host/armeb-buildroot-linux-musleabi/include/c++/9.4.0/armeb-buildroot-linux-musleabi/bits/gthr-default.h:35,
                 from /nvmedata/autobuild/instance-12/output-1/per-package/libfreeimage/host/armeb-buildroot-linux-musleabi/include/c++/9.4.0/armeb-buildroot-linux-musleabi/bits/gthr.h:148,
                 from /nvmedata/autobuild/instance-12/output-1/per-package/libfreeimage/host/armeb-buildroot-linux-musleabi/include/c++/9.4.0/ext/atomicity.h:35,
                 from /nvmedata/autobuild/instance-12/output-1/per-package/libfreeimage/host/armeb-buildroot-linux-musleabi/include/c++/9.4.0/bits/basic_string.h:39,
                 from /nvmedata/autobuild/instance-12/output-1/per-package/libfreeimage/host/armeb-buildroot-linux-musleabi/include/c++/9.4.0/string:55,
                 from Source/Utilities.h:44,
                 from Source/FreeImage/PluginPSD.cpp:27:
Source/FreeImage/PluginPSD.cpp: In function 'BOOL Save(FreeImageIO*, FIBITMAP*, fi_handle, int, int, void*)':
Source/FreeImage/PluginPSD.cpp:130:10: error: cannot convert 'std::nullptr_t' to 'BOOL' {aka 'int'} in return
  130 |   return NULL;
      |          ^~~~

Fixes:
 - http://autobuild.buildroot.org/results/f9c4ba83a506d374d8a28673aac619d8ff80f3da

Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
---
 .../0004-fixed-C-11-warnings.patch            | 94 +++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 package/libfreeimage/0004-fixed-C-11-warnings.patch

diff --git a/package/libfreeimage/0004-fixed-C-11-warnings.patch b/package/libfreeimage/0004-fixed-C-11-warnings.patch
new file mode 100644
index 0000000000..cf9c47303a
--- /dev/null
+++ b/package/libfreeimage/0004-fixed-C-11-warnings.patch
@@ -0,0 +1,94 @@
+fixed C++11 warnings
+
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
+[Retrieved from: https://sourceforge.net/p/freeimage/svn/1896]
+
+Index: trunk/Source/FreeImage/CacheFile.cpp
+===================================================================
+--- trunk/Source/FreeImage/CacheFile.cpp	(révision 1895)
++++ trunk/Source/FreeImage/CacheFile.cpp	(révision 1896)
+@@ -147,10 +147,14 @@
+ 				m_current_block->data = new BYTE[BLOCK_SIZE];
+ 
+ 				fseek(m_file, m_current_block->nr * BLOCK_SIZE, SEEK_SET);
+-				fread(m_current_block->data, BLOCK_SIZE, 1, m_file);
+-
+-				m_page_cache_mem.splice(m_page_cache_mem.begin(), m_page_cache_disk, it->second);
+-				m_page_map[nr] = m_page_cache_mem.begin();
++				if (fread(m_current_block->data, BLOCK_SIZE, 1, m_file) == 1) {
++					m_page_cache_mem.splice(m_page_cache_mem.begin(), m_page_cache_disk, it->second);
++					m_page_map[nr] = m_page_cache_mem.begin();
++				}
++				else {
++					FreeImage_OutputMessageProc(FIF_UNKNOWN, "Failed to lock a block in CacheFile");
++					return NULL;
++				}
+ 			}
+ 
+ 			// if the memory cache size is too large, swap an item to disc
+Index: trunk/Source/FreeImage/MultiPage.cpp
+===================================================================
+--- trunk/Source/FreeImage/MultiPage.cpp	(révision 1895)
++++ trunk/Source/FreeImage/MultiPage.cpp	(révision 1896)
+@@ -271,8 +271,8 @@
+ 					}
+ 				}
+ 
+-				std::auto_ptr<FIMULTIBITMAP> bitmap (new FIMULTIBITMAP);
+-				std::auto_ptr<MULTIBITMAPHEADER> header (new MULTIBITMAPHEADER);
++				std::unique_ptr<FIMULTIBITMAP> bitmap (new FIMULTIBITMAP);
++				std::unique_ptr<MULTIBITMAPHEADER> header (new MULTIBITMAPHEADER);
+ 				header->m_filename = filename;
+ 				// io is default
+ 				header->node = node;
+@@ -339,8 +339,8 @@
+ 				PluginNode *node = list->FindNodeFromFIF(fif);
+ 			
+ 				if (node) {
+-					std::auto_ptr<FIMULTIBITMAP> bitmap (new FIMULTIBITMAP);
+-					std::auto_ptr<MULTIBITMAPHEADER> header (new MULTIBITMAPHEADER);
++					std::unique_ptr<FIMULTIBITMAP> bitmap (new FIMULTIBITMAP);
++					std::unique_ptr<MULTIBITMAPHEADER> header (new MULTIBITMAPHEADER);
+ 					header->io = *io;
+ 					header->node = node;
+ 					header->fif = fif;
+Index: trunk/Source/FreeImage/PSDParser.cpp
+===================================================================
+--- trunk/Source/FreeImage/PSDParser.cpp	(révision 1895)
++++ trunk/Source/FreeImage/PSDParser.cpp	(révision 1896)
+@@ -97,7 +97,7 @@
+ template <int N>
+ class PSDGetValue {
+ public:
+-	static inline int get(const BYTE * iprBuffer) {} // error
++	static inline int get(const BYTE * iprBuffer) { return -1; } // error
+ };
+ 
+ template <>
+Index: trunk/Source/FreeImage/PluginPSD.cpp
+===================================================================
+--- trunk/Source/FreeImage/PluginPSD.cpp	(révision 1895)
++++ trunk/Source/FreeImage/PluginPSD.cpp	(révision 1896)
+@@ -127,7 +127,7 @@
+ static BOOL DLL_CALLCONV
+ Save(FreeImageIO *io, FIBITMAP *dib, fi_handle handle, int page, int flags, void *data) {
+ 	if(!handle) {
+-		return NULL;
++		return FALSE;
+ 	}
+ 	try {
+ 		psdParser parser;
+Index: trunk/Source/FreeImage/PluginHDR.cpp
+===================================================================
+--- trunk/Source/FreeImage/PluginHDR.cpp	(révision 1895)
++++ trunk/Source/FreeImage/PluginHDR.cpp	(révision 1896)
+@@ -244,7 +244,8 @@
+ 		}
+ 		else if((buf[0] == '#') && (buf[1] == 0x20)) {
+ 			header_info->valid |= RGBE_VALID_COMMENT;
+-			strcpy(header_info->comment, buf);
++			strncpy(header_info->comment, buf, HDR_MAXLINE - 1);
++			header_info->comment[HDR_MAXLINE - 1] = '\0';
+ 		}
+ 	}
+ 	if(!bHeaderFound || !bFormatFound) {
-- 
2.35.1