libm underlinking

[richardgv]

pixz-1.0.2 does not link correctly with ld.gold, because of an underlinking issue:

...
x86_64-pc-linux-gnu-gcc   -Wall -Wl,-O1 -Wl,--as-needed -o pixz pixz.o common.o endian.o cpu.o read.
o write.o list.o -lpthread -llzma -larchive
common.o:common.c:function pipeline_create: error: undefined reference to 'ceil'
collect2: error: ld returned 1 exit status
make: *** [pixz] Error 1

ceil() is used in the program but -lm is not in linking flags. Add -lm to LIDADD looks sufficient to fix the issue:

diff --git a/Makefile~ b/Makefile
index fe605f2..36dc27b 100644
--- a/Makefile~
+++ b/Makefile
@@ -12,7 +12,7 @@ MYCFLAGS = $(patsubst %,-I%/include,$(LIBPREFIX)) $(OPT) -std=gnu99 \
 MYLDFLAGS = $(patsubst %,-L%/lib,$(LIBPREFIX)) $(OPT) -Wall

 THREADS = -lpthread
-LIBADD = $(THREADS) -llzma -larchive
+LIBADD = $(THREADS) -llzma -larchive -lm

 CC = gcc
 COMPILE = $(CC) $(MYCFLAGS) $(CFLAGS) -c -o

[vasi]

Thank you for the report. Fixed in HEAD.