From 34bab2b0caa6ee955d5d2f7882a6cd36cf142536 Mon Sep 17 00:00:00 2001
From: Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl>
Date: Mon, 18 Jan 2016 17:29:58 +0100
Subject: Allow user to pass NVCCFLAGS to configure

---
 build/linux/Makefile.in  | 3 ++-
 build/linux/acinclude.m4 | 6 +++---
 build/linux/configure.ac | 9 +++++----
 3 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/build/linux/Makefile.in b/build/linux/Makefile.in
index 8eb5ffe..01ef527 100644
--- a/build/linux/Makefile.in
+++ b/build/linux/Makefile.in
@@ -25,6 +25,7 @@ VPATH=../..
 
 CPPFLAGS=@SAVED_CPPFLAGS@
 CXXFLAGS=@SAVED_CXXFLAGS@
+NVCCFLAGS=@SAVED_NVCCFLAGS@
 LDFLAGS=@SAVED_LDFLAGS@
 LIBS=@SAVED_LIBS@
 
@@ -37,7 +38,7 @@ CPPFLAGS+=@CPPFLAGS_OS@
 
 ifeq ($(cuda),yes)
 CPPFLAGS  += @CPPFLAGS_CUDA@ -DASTRA_CUDA
-NVCCFLAGS  = @NVCCFLAGS@ @CPPFLAGS_CUDA@ -I../.. -I../../include -DASTRA_CUDA
+NVCCFLAGS += @NVCCFLAGS_EXTRA@ @CPPFLAGS_CUDA@ -I../.. -I../../include -DASTRA_CUDA
 LDFLAGS   += @LDFLAGS_CUDA@
 LIBS      += -lcudart -lcufft
 NVCC       = @NVCC@
diff --git a/build/linux/acinclude.m4 b/build/linux/acinclude.m4
index e4b6de7..d6866c3 100644
--- a/build/linux/acinclude.m4
+++ b/build/linux/acinclude.m4
@@ -93,13 +93,13 @@ int main() {
 }
 _ACEOF
 $1="yes"
-ASTRA_RUN_STOREOUTPUT([$NVCC -c -o conftest.o conftest.cu $$2],conftest.nvcc.out) || {
+ASTRA_RUN_STOREOUTPUT([$NVCC -c -o conftest.o conftest.cu $NVCCFLAGS $$2],conftest.nvcc.out) || {
   $1="no"
   # Check if hack for gcc 4.4 helps
   if grep -q __builtin_stdarg_start conftest.nvcc.out; then
     AS_ECHO(["$as_me:${as_lineno-$LINENO}: Trying CUDA hack for gcc 4.4"]) >&AS_MESSAGE_LOG_FD
     NVCC_OPT="-Xcompiler -D__builtin_stdarg_start=__builtin_va_start"
-    ASTRA_RUN_LOGOUTPUT([$NVCC -c -o conftest.o conftest.cu $$2 $NVCC_OPT]) && {
+    ASTRA_RUN_LOGOUTPUT([$NVCC -c -o conftest.o conftest.cu $NVCCFLAGS $$2 $NVCC_OPT]) && {
       $1="yes"
       $2="$$2 $NVCC_OPT"
     }
@@ -133,7 +133,7 @@ IFS=,
 for arch in $1; do
   IFS=$astra_save_IFS
   NVCC_opt="-gencode=arch=compute_$arch,code=sm_$arch"
-  $NVCC -c -o conftest.o conftest.cu $$2 $NVCC_opt >conftest.nvcc.out 2>&1 && {
+  $NVCC -c -o conftest.o conftest.cu $NVCCFLAGS $$2 $NVCC_opt >conftest.nvcc.out 2>&1 && {
     NVCC_lastarch=$arch
     NVCC_extra="$NVCC_extra $NVCC_opt"
     NVCC_list="${NVCC_list:+$NVCC_list, }$arch"
diff --git a/build/linux/configure.ac b/build/linux/configure.ac
index 85e4324..487a8cc 100644
--- a/build/linux/configure.ac
+++ b/build/linux/configure.ac
@@ -30,6 +30,7 @@ LT_INIT([disable-static])
 
 SAVED_CPPFLAGS="$CPPFLAGS"
 SAVED_CXXFLAGS="$CXXFLAGS"
+SAVED_NVCCFLAGS="$NVCCFLAGS"
 SAVED_LDFLAGS="$LDFLAGS"
 SAVED_LIBS="$LIBS"
 
@@ -124,10 +125,9 @@ if test x"$NVCC" != xno; then
   AC_SUBST(NVCC)
 fi
 
-NVCCFLAGS=""
 if test x"$HAVECUDA" = xyes; then
   AC_MSG_CHECKING([if nvcc works])
-  ASTRA_CHECK_NVCC(HAVECUDA,NVCCFLAGS)
+  ASTRA_CHECK_NVCC(HAVECUDA,NVCCFLAGS_EXTRA)
   AC_MSG_RESULT($HAVECUDA)
 fi
 
@@ -138,7 +138,7 @@ if test x"$HAVECUDA" = xyes; then
   if test x"$with_cuda_compute" = x; then
     with_cuda_compute="10,12,20,30,35,50"
   fi
-  ASTRA_FIND_NVCC_ARCHS([$with_cuda_compute],NVCCFLAGS,NVCCARCHS)
+  ASTRA_FIND_NVCC_ARCHS([$with_cuda_compute],NVCCFLAGS_EXTRA,NVCCARCHS)
   AC_MSG_RESULT([$NVCCARCHS])
 fi
 
@@ -146,7 +146,7 @@ fi
 AC_SUBST(HAVECUDA)
 AC_SUBST(LDFLAGS_CUDA)
 AC_SUBST(CPPFLAGS_CUDA)
-AC_SUBST(NVCCFLAGS)
+AC_SUBST(NVCCFLAGS_EXTRA)
 
 
 # mex, matlab
@@ -249,6 +249,7 @@ AC_SUBST(CPPFLAGS_OS)
 
 AC_SUBST(SAVED_CPPFLAGS)
 AC_SUBST(SAVED_CXXFLAGS)
+AC_SUBST(SAVED_NVCCFLAGS)
 AC_SUBST(SAVED_LDFLAGS)
 AC_SUBST(SAVED_LIBS)
 AC_CONFIG_FILES([Makefile])
-- 
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