gentoo resync : 29.12.2022

1 files changed, 49 insertions, 0 deletions

diff --git a/sci-libs/libsvm/files/libsvm-3.25-makefile.patch b/sci-libs/libsvm/files/libsvm-3.25-makefile.patch
new file mode 100644
index 000000000000..ea48368b27a5
--- /dev/null
+++ b/sci-libs/libsvm/files/libsvm-3.25-makefile.patch
@@ -0,0 +1,49 @@
+* respect CFLAGS and CXXFLAGS from user
+* compile with CC for C and CXX for C++ files
+* propagate and respect user's LDFLAGS
+* PIC only used for the library
+* link the shared version library
+
+--- a/Makefile
++++ b/Makefile
+@@ -1,9 +1,10 @@
+-CXX ?= g++
+-CFLAGS = -Wall -Wconversion -O3 -fPIC
++CFLAGS ?= -Wall -Wconversion
++CXXFLAGS ?= $(CFLAGS)
+ SHVER = 2
+ OS = $(shell uname)
++PICFLAGS ?= -fPIC
+ 
+-all: svm-train svm-predict svm-scale
++all: svm-train svm-predict svm-scale lib
+ 
+ lib: svm.o
+ 	if [ "$(OS)" = "Darwin" ]; then \
+@@ -11,15 +12,17 @@
+ 	else \
+ 		SHARED_LIB_FLAG="-shared -Wl,-soname,libsvm.so.$(SHVER)"; \
+ 	fi; \
+-	$(CXX) $${SHARED_LIB_FLAG} svm.o -o libsvm.so.$(SHVER)
++	$(CXX) $(LDFLAGS) $${SHARED_LIB_FLAG} svm.o -o libsvm.so.$(SHVER) $(OPENMP_LIBS) ; \
++	ln -s libsvm.so.$(SHVER) libsvm.so
++
++svm-predict: svm-predict.o lib
++	$(CXX) $(LDFLAGS) $< -o $@ $(LIBS) -L. -lsvm -lm
++svm-train: svm-train.o lib
++	$(CXX) $(LDFLAGS) $< -o $@ $(LIBS) -L. -lsvm -lm
++svm-scale: svm-scale.o
++	$(CXX) $(LDFLAGS) $< -o $@ $(LIBS)
+ 
+-svm-predict: svm-predict.c svm.o
+-	$(CXX) $(CFLAGS) svm-predict.c svm.o -o svm-predict -lm
+-svm-train: svm-train.c svm.o
+-	$(CXX) $(CFLAGS) svm-train.c svm.o -o svm-train -lm
+-svm-scale: svm-scale.c
+-	$(CXX) $(CFLAGS) svm-scale.c -o svm-scale
+ svm.o: svm.cpp svm.h
+-	$(CXX) $(CFLAGS) -c svm.cpp
++	$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(PICFLAGS) $(OPENMP_CFLAGS) -c svm.cpp -o $@
+ clean:
+-	rm -f *~ svm.o svm-train svm-predict svm-scale libsvm.so.$(SHVER)
++	rm -f *~ svm.o svm-train svm-predict svm-scale libsvm.so.$(SHVER) libsvm.so