b3d8bf0f8db07a9ed4e414a233f01044506e8db9
galt
  Tue Jul 6 22:58:11 2010 -0700
trying to autodetect PNG,SSL,BAM; also trying to use PNG statically linked
diff --git src/inc/common.mk src/inc/common.mk
index 05bdda8..5c73dfc 100644
--- src/inc/common.mk
+++ src/inc/common.mk
@@ -1,140 +1,182 @@
 CC=gcc
 # to build on sundance: CC=gcc -mcpu=v9 -m64
 ifeq (${COPT},)
     COPT=-O -g
 endif
 CFLAGS=
 HG_DEFS=-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE -DMACHTYPE_${MACHTYPE}
 HG_INC=-I../inc -I../../inc -I../../../inc -I../../../../inc -I../../../../../inc
 
 #global external libraries 
 L=
 
+# autodetect if openssl is installed
+ifeq (${SSLDIR},)
+  SSLDIR = /usr/include/openssl
+endif
+ifeq (${USE_SSL},)
+  ifneq ($(wildcard ${SSLDIR}),)
+     USE_SSL=1
+  endif
+endif
+
+
 # libssl: disabled by default
 ifeq (${USE_SSL},1)
     L+=-lssl
     HG_DEFS+=-DUSE_SSL
 endif
 
-# libpng: disabled by default
-ifeq (${USE_PNG},1)
+
+# autodetect if png is installed
+ifeq (${USE_PNG},)
+  ifneq ($(wildcard /usr/include/png.h),)
+    USE_PNG=1
+  endif
+endif
+
     ifeq (${PNGLIB},)
-	PNGLIB=-lpng
+  PNGLIB=/usr/lib64/libpng.a
+else
+  ifeq (${USE_PNG},)
+    USE_PNG=1
+  endif
+endif
+ifeq (${USE_PNG},)
+  ifneq (${PNGLIB},)
+    ifneq ($(wildcard ${PNGLIB}),)
+      USE_PNG=1
     endif
+  endif
+endif
+
+# libpng: disabled by default
+#  for dynamic linking PNGLIB=-lpng
+ifeq (${USE_PNG},1)
     L+=${PNGLIB}
     HG_DEFS+=-DUSE_PNG
     HG_INC+=${PNGINCL}
 
     # 32-bit color enabled by default
     ifneq (${COLOR32},0)
         HG_DEFS+=-DCOLOR32
     endif
 endif
 
-# libbam (samtools, and Angie's KNETFILE_HOOKS extension to it): disabled by default
-ifeq (${USE_BAM},1)
+# autodetect if bam is installed
     ifeq (${SAMDIR},)
       SAMDIR = /hive/data/outside/samtools/svn_${MACHTYPE}/samtools
+  ifneq ($(wildcard ${SAMDIR}),)
+     KNETFILE_HOOK=1
     endif
+endif
+ifeq (${USE_BAM},)
+  ifneq ($(wildcard ${SAMDIR}),)
+     USE_BAM=1
+  endif
+endif
+
+# libbam (samtools, and Angie's KNETFILE_HOOKS extension to it): disabled by default
+ifeq (${USE_BAM},1)
     ifeq (${SAMINC},)
         SAMINC = ${SAMDIR}
     endif
     ifeq (${SAMLIB},)
         SAMLIB = ${SAMDIR}/libbam.a
     endif
     HG_INC += -I${SAMINC}
     L+=${SAMLIB}
     HG_DEFS+=-DUSE_BAM
     ifeq (${KNETFILE_HOOKS},1)
 	HG_DEFS+=-DKNETFILE_HOOKS
     endif
 endif
 
 ifeq (${HG_WARN},)
   ifeq (darwin,$(findstring darwin,${OSTYPE}))
       HG_WARN = -Wall -Wno-unused-variable -Wno-long-double
       HG_WARN_UNINIT=
   else
     ifeq (solaris,$(findstring solaris,${OSTYPE}))
       HG_WARN = -Wall -Wformat -Wimplicit -Wreturn-type
       HG_WARN_UNINIT=-Wuninitialized
     else
       HG_WARN = -Wall -Werror -Wformat -Wimplicit -Wreturn-type
       # HG_WARN = -Wall -Wformat -Wimplicit -Wreturn-type
       HG_WARN_UNINIT=-Wuninitialized
     endif
   endif
   # -Wuninitialized generates a warning without optimization
   ifeq ($(findstring -O,${COPT}),-O)
      HG_WARN += ${HG_WARN_UNINIT}
   endif
 endif
 
 # this is to hack around many make files not including HG_WARN in
 # the link line
 CFLAGS += ${HG_WARN}
 
 ifeq (${SCRIPTS},)
     SCRIPTS=${HOME}/bin/scripts
 endif
 ifeq (${CGI_BIN},)
     CGI_BIN=/usr/local/apache/cgi-bin
 endif
 ifeq (${DOCUMENTROOT},)
     DOCUMENTROOT=/usr/local/apache/htdocs
 endif
 ifeq (${BINDIR},)
     BINDIR = ${HOME}/bin/${MACHTYPE}
 endif
 ifeq (${ENCODE_PIPELINE_BIN},)
     ENCODE_PIPELINE_BIN=/cluster/data/encode/pipeline/bin
 endif
 
 MKDIR=mkdir -p
 ifeq (${STRIP},)
    STRIP=strip
 endif
 CVS=cvs
 GIT=git
 
 # portable naming of compiled executables: add ".exe" if compiled on 
 # Windows (with cygwin).
 ifeq (${OS}, Windows_NT)
   AOUT=a.exe
   EXE=.exe
 else
   AOUT=a.out
   EXE=
 endif
 
 # location of stringify program
 STRINGIFY = ${DESTDIR}${BINDIR}/stringify
 
 #Lowelab defines
 #The lowelab specific code will be included in compilation if the following conditions are satistied
 LOWELAB_WIKI_DEF=
 LOWELAB_DEF=
 ifdef LOWELAB
     LOWELAB_WIKI=1
     LOWELAB_DEF=-DLOWELAB
 endif
 ifdef LOWELAB_WIKI
     LOWELAB_WIKI_DEF=-DLOWELAB_WIKI
 endif
 LOWELAB_DEFS=${LOWELAB_DEF} ${LOWELAB_WIKI_DEF}
 
 ifdef LOWELAB
     ifeq (${SCRIPTS},/cluster/bin/scripts)
         SCRIPTS=${HOME}/scripts
     endif
     ifeq (${CGI_BIN},/usr/local/apache/cgi-bin)
         CGI_BIN=/www/cgi-bin
     endif
     ifeq (${DOCUMENTROOT},/usr/local/apache/htdocs)
         DOCUMENTROOT=/www/browser-docs
     endif
 endif
 
 %.o: %.c
 	${CC} ${COPT} ${CFLAGS} ${HG_DEFS} ${LOWELAB_DEFS} ${HG_WARN} ${HG_INC} ${XINC} -o $@ -c $<