85ea334cfc714b9ab269bcada5d43bf61ca44800
markd
  Sun Sep 10 21:12:26 2023 -0700
Allow addition of LDFLAGS from the environment and remove no-op setting of CFLAGS

diff --git src/inc/common.mk src/inc/common.mk
index 49c6f93..56c044b 100644
--- src/inc/common.mk
+++ src/inc/common.mk
@@ -1,27 +1,27 @@
 # if CC is undefined, set it to gcc
 CC?=gcc
 # allow the somewhat more modern C syntax, e.g. 'for (int i=5; i<10, i++)'
 CFLAGS += -std=c99
 
+# add additional library paths
+L += ${LDFLAGS}
+
 # to build on sundance: CC=gcc -mcpu=v9 -m64
 ifeq (${COPT},)
     COPT=-O -g
 endif
-ifeq (${CFLAGS},)
-    CFLAGS=
-endif
 ifeq (${MACHTYPE},)
     MACHTYPE:=$(shell uname -m)
 #    $(info MACHTYPE was empty, set to: ${MACHTYPE})
 endif
 ifneq (,$(findstring -,$(MACHTYPE)))
 #    $(info MACHTYPE has - sign ${MACHTYPE})
     MACHTYPE:=$(shell uname -m)
 #    $(info MACHTYPE has - sign set to: ${MACHTYPE})
 endif
 
 HG_DEFS=-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE -DMACHTYPE_${MACHTYPE}
 HG_INC+=-I../inc -I../../inc -I../../../inc -I../../../../inc -I../../../../../inc -I$(kentSrc)/htslib
 
 # to check for Mac OSX Darwin specifics:
 UNAME_S := $(shell uname -s)