From 661d9227cb27e0bd2ae0c68ec5df6a08050e6cc3 Mon Sep 17 00:00:00 2001
From: DeaDDooMER <deaddoomer@deadsoftware.ru>
Date: Mon, 29 Jun 2020 22:02:52 +0400
Subject: [PATCH] fix gcc 4.0

---
 Makefile            | 12 ++++++------
 main/odcread.cc     |  2 +-
 reader/readAlien.cc |  5 ++++-
 3 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/Makefile b/Makefile
index 0dbb36a..b1fac08 100644
--- a/Makefile
+++ b/Makefile
@@ -6,8 +6,8 @@
 #  * $(MODULE)/*.cc -- module source files
 MODULES := main reader store alien typeregister textmodel fold typepath
 
-CFLAGS = -I.
-CC = g++
+CXXFLAGS = -I.
+CXX = g++
 
 # Variables for the modules to write to
 SRCS := 
@@ -17,11 +17,11 @@ include $(patsubst %,%/Make.inc,$(MODULES))
 
 # This rule just links the object files together
 odcread: $(SRCS:.cc=.o)
-	$(CC) -o $@ $^
+	$(CXX) -liconv -o $@ $^
 
 # This rule build an object (.o) from a source (.cc). 
 %.o: %.cc
-	$(CC) $(CFLAGS) $< -c -o $@
+	$(CXX) $(CXXFLAGS) $< -c -o $@
 
 # For each implementation header (.ih) generate a dependency (.d) file which
 # will ensure that the compiled header (.ih.gch) is rebuilt whenever the header
@@ -34,8 +34,8 @@ odcread: $(SRCS:.cc=.o)
 # The .d file is not an explicit target because it will need to be (re-)built
 # if and only if the .ih.gch needs to be rebuilt.
 %.ih.gch: %.ih
-	$(CC) $(CFLAGS) -x c++-header $< -MM -MF $*.d -MP -MT $@
-	$(CC) $(CFLAGS) -x c++-header $< -o $@
+	$(CXX) $(CXXFLAGS) -x c++-header $< -MM -MF $*.d -MP -MT $@
+	$(CXX) $(CXXFLAGS) -x c++-header $< -o $@
 
 # Each module has a .ih file that should be *the only* include from the .cc
 # files. These .ih files are pre-compiled to .ih.gch, and dependency caching
diff --git a/main/odcread.cc b/main/odcread.cc
index a2a2bd5..5dc5b42 100644
--- a/main/odcread.cc
+++ b/main/odcread.cc
@@ -171,7 +171,7 @@ int main(int argc, char *argv[]) {
 //	std::cout << s->toPlainText() << std::endl;
 //	std::cout << std::endl << std::endl;
 
-	if (s == nullptr) {
+	if (s == NULL) {
 		return 1;
 	}
 
diff --git a/reader/readAlien.cc b/reader/readAlien.cc
index ba96ca5..1bcec17 100644
--- a/reader/readAlien.cc
+++ b/reader/readAlien.cc
@@ -3,7 +3,10 @@
 namespace odc {
 
 void Reader::readAlien(Alien *alien, std::streampos down, std::streampos end) {
-	std::streampos next = down != 0 ? down : end;
+	std::streampos next = down;
+	if (next == (std::streampos)0) {
+		next = end;
+	}
 	while (d_rider.tellg() < end) {
 		if (d_rider.tellg() < next) { // for some reason, this means its a piece (unstructured)
 			size_t len = next - d_rider.tellg();
-- 
2.29.2