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BUILD: Add ability to build CUDA code
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+80
-26
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6 files changed

+80
-26
lines changed

‎config/cuda.am‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,33 @@
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#
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# Copyright (c) NVIDIA CORPORATION & AFFILIATES, 2025. ALL RIGHTS RESERVED.
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# See file LICENSE for terms.
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#
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SUFFIXES = .cu
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NVCC_CMD = $(NVCC) $(NVCCFLAGS) \
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-c $< -MD -MT $@ -MF $(DEPDIR)/cuda/[email protected] -o $@ \
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-DHAVE_CONFIG_H $(BASE_NVCCFLAGS)
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NVCC_LT_CMD = $(LIBTOOL) --tag=CXX --mode=compile $(NVCC_CMD)
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define nvcc-build
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@$(MKDIR_P) $(shell dirname $(DEPDIR)/cuda/$@)
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@if $(AM_V_P); then set -x; else echo " NVCC $@"; fi; \
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$(if $(filter .o,$(suffix $@)),$(NVCC_CMD),$(NVCC_LT_CMD)) $($(1))
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endef
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define nvcc-source
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EXTRA_DIST += $(2)
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$(1): $(2)
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$$(call nvcc-build,$(3))
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endef
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# Default rules when no target-specific compile flags are required
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.cu.o:
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$(call nvcc-build)
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.cu.lo:
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$(call nvcc-build)
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CUDA_DEP_FILES := $(shell find $(DEPDIR)/cuda/ -type f -name *.d 2>/dev/null)
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-include $(CUDA_DEP_FILES)

‎config/m4/compiler.m4‎

Lines changed: 12 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -46,7 +46,8 @@ AC_ARG_ENABLE(debug,
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[enable_debug=no])
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AS_IF([test "x$enable_debug" = xyes],
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[BASE_CFLAGS="-D_DEBUG $BASE_CFLAGS"
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BASE_CXXFLAGS="-D_DEBUG" $BASE_CXXFLAGS],
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BASE_CXXFLAGS="-D_DEBUG" $BASE_CXXFLAGS
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BASE_NVCCFLAGS="$BASE_NVCCFLAGS -G"],
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[])
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@@ -71,9 +72,11 @@ AS_IF([test "x$enable_compiler_opt" = "xyes"], [BASE_CFLAGS="-O3 $BASE_CFLAGS"],
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[test "x$enable_compiler_opt" = "xnone"],
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[AS_IF([test "x$enable_debug" = xyes -o "x$enable_gcov" = xyes],
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[BASE_CFLAGS="-O0 $BASE_CFLAGS"
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BASE_CXXFLAGS="-O0 $BASE_CXXFLAGS"],
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BASE_CXXFLAGS="-O0 $BASE_CXXFLAGS"
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BASE_NVCCFLAGS="-O0 $BASE_NVCCFLAGS"],
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[BASE_CFLAGS="-O3 $BASE_CFLAGS"
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BASE_CXXFLAGS="-O0 $BASE_CXXFLAGS"])],
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BASE_CXXFLAGS="-O0 $BASE_CXXFLAGS"
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BASE_NVCCFLAGS="-O3 $BASE_NVCCFLAGS"])],
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[test "x$enable_compiler_opt" = "xno"], [],
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[BASE_CFLAGS="-O$enable_compiler_opt $BASE_CFLAGS"])
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@@ -629,8 +632,11 @@ AC_SUBST([LDFLAGS_DYNAMIC_LIST_DATA])
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#
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# Set common C preprocessor flags
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#
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SRC_INCLUDES="-I\${abs_top_srcdir}/src -I\${abs_top_builddir} -I\${abs_top_builddir}/src"
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BASE_CPPFLAGS="-DCPU_FLAGS=\"$OPT_CFLAGS\""
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BASE_CPPFLAGS="$BASE_CPPFLAGS -I\${abs_top_srcdir}/src"
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BASE_CPPFLAGS="$BASE_CPPFLAGS -I\${abs_top_builddir}"
635-
BASE_CPPFLAGS="$BASE_CPPFLAGS -I\${abs_top_builddir}/src"
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BASE_CPPFLAGS="$BASE_CPPFLAGS $SRC_INCLUDES"
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BASE_NVCCFLAGS="$BASE_NVCCFLAGS $SRC_INCLUDES"
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AC_SUBST([BASE_CPPFLAGS], [$BASE_CPPFLAGS])
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AC_SUBST([BASE_NVCCFLAGS], [$BASE_NVCCFLAGS])

‎config/m4/cuda.m4‎

Lines changed: 18 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -10,6 +10,14 @@ AS_IF([test "x$cuda_checked" != "xyes"],
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AC_ARG_WITH([cuda],
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[AS_HELP_STRING([--with-cuda=(DIR)], [Enable the use of CUDA (default is guess).])],
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[], [with_cuda=guess])
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AC_ARG_WITH([nvcc],
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AS_HELP_STRING([--with-nvcc], [Enable NVCC compiler support (default is guess)]),
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[],
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[with_nvcc="guess"])
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AC_ARG_WITH([nvcc-gencode],
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AS_HELP_STRING([--with-nvcc-gencode=(OPTS)], [Build for specific GPU architectures]),
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[],
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[with_nvcc_gencode="-gencode=arch=compute_80,code=sm_80"])
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AS_IF([test "x$with_cuda" = "xno"],
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[
@@ -97,14 +105,19 @@ AS_IF([test "x$cuda_checked" != "xyes"],
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# Check NVCC exists and able to compile
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nvcc_happy="no"
100-
AC_PATH_PROGS(NVCC, nvcc, "", $CUDA_BIN_PATH:$PATH)
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AC_ARG_VAR([NVCC], [nvcc compiler path])
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AC_ARG_VAR([NVCCFLAGS], [nvcc compiler flags])
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AS_IF([test "x$with_nvcc" != "xno"],
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[AC_PATH_PROGS(NVCC, nvcc, "", $CUDA_BIN_PATH:$PATH)])
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AS_IF([test "x$NVCC" != "x"],
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[AC_LANG_PUSH([C])
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AC_LANG_CONFTEST([AC_LANG_SOURCE([[#include <cuda_runtime.h>]])])
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mv conftest.c conftest.cu
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AC_MSG_CHECKING([$NVCC can compile])
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AS_IF([$NVCC -c conftest.cu 2>&AS_MESSAGE_LOG_FD],
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[AC_MSG_RESULT([yes])
120+
BASE_NVCCFLAGS="$BASE_NVCCFLAGS $with_nvcc_gencode -g -lineinfo"
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nvcc_happy="yes"],
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[AC_MSG_RESULT([no])
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cat conftest.cu >&AS_MESSAGE_LOG_FD])
@@ -116,6 +129,10 @@ AS_IF([test "x$cuda_checked" != "xyes"],
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LDFLAGS="$save_LDFLAGS"
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LIBS="$save_LIBS"
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AS_IF([test "x$with_nvcc" = "xyes" -a "x$nvcc_happy" = "xno"],
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[AC_MSG_ERROR([nvcc compiler is not functional])],
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[])
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AS_IF([test "x$cuda_happy" = "xyes"],
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[AC_SUBST([CUDA_CPPFLAGS], ["$CUDA_CPPFLAGS"])
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AC_SUBST([CUDA_LDFLAGS], ["$CUDA_LDFLAGS"])

‎configure.ac‎

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -426,6 +426,10 @@ AC_MSG_NOTICE([ ROCM modules: <$(echo ${uct_rocm_modules}|tr ':' ' ') >
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AC_MSG_NOTICE([ IB modules: <$(echo ${uct_ib_modules}|tr ':' ' ') >])
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AC_MSG_NOTICE([ UCM modules: <$(echo ${ucm_modules}|tr ':' ' ') >])
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AC_MSG_NOTICE([ Perf modules: <$(echo ${ucx_perftest_modules}|tr ':' ' ') >])
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AS_IF([test "x$NVCC" != "xno"], [
430+
AC_MSG_NOTICE([ NVCC: ${NVCC}])
431+
AC_MSG_NOTICE([ NVCCFLAGS: ${NVCCFLAGS}])
432+
])
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AS_IF([test "x$enable_ucg" != "xno"], [
430434
AC_MSG_NOTICE([ UCG modules: <$(echo ${ucg_modules}|tr ':' ' ') >])])
431435
])

‎contrib/ctags.sh‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -9,7 +9,7 @@ cd $(dirname $0)/..
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echo "Using $PWD"
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rm -f tags || :
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ctags -R -f tags .
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ctags -R --langmap=c++:+.cu.cuh -f tags .
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find . -name "*.inl" -type f -exec \
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ctags -R -f tags \

‎test/apps/Makefile.am‎

Lines changed: 12 additions & 18 deletions
Original file line numberDiff line numberDiff line change
@@ -98,17 +98,20 @@ test_cuda_hook_static_LDADD = $(top_builddir)/src/ucp/libucp.la \
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endif
9999

100100
if HAVE_NVCC
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102+
include $(top_srcdir)/config/cuda.am
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104+
# Could be simply added as .cu to _SOURCES if there was no specific CPPFLAGS
105+
$(eval $(call nvcc-source, custom-test_cuda_get_symbol_address.o, \
106+
test_cuda_get_symbol_address.cu,CUDA_CPPFLAGS))
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101108
noinst_PROGRAMS += test_cuda_get_symbol_address
102-
test_cuda_get_symbol_address_SOURCES = test_cuda_get_symbol_address.cu
103-
test_cuda_get_symbol_address_CPPFLAGS = $(BASE_CPPFLAGS) $(CUDA_CPPFLAGS)
109+
test_cuda_get_symbol_address_SOURCES =
104110
test_cuda_get_symbol_address_LDFLAGS = $(CUDA_LDFLAGS)
105-
test_cuda_get_symbol_address_LDADD = $(top_builddir)/src/ucp/libucp.la \
106-
$(top_builddir)/src/ucm/libucm.la \
107-
$(CUDART_LIBS)
108-
test_cuda_get_symbol_address_DEPBASE = $(DEPDIR)/test_cuda_get_symbol_address
109-
test_cuda_get_symbol_address_COMPILE = \
110-
$(NVCC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
111-
$(test_cuda_get_symbol_address_CPPFLAGS)
111+
test_cuda_get_symbol_address_LDADD = $(CUDART_LIBS) custom-test_cuda_get_symbol_address.o \
112+
$(top_builddir)/src/ucp/libucp.la \
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$(top_builddir)/src/ucm/libucm.la
114+
112115
endif
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114117
endif
@@ -121,12 +124,3 @@ test_tcmalloc_CFLAGS = $(BASE_CFLAGS)
121124
test_tcmalloc_LDADD = -ldl $(TCMALLOC_LIB) \
122125
$(top_builddir)/src/ucp/libucp.la
123126
endif
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125-
.cu.o : ; $(NVCC) -c -o $@ $<
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127-
test_cuda_get_symbol_address.o: test_cuda_get_symbol_address.cu
128-
@am__fastdepCC_TRUE@ $(AM_V_CC)$(test_cuda_get_symbol_address_COMPILE) -MT $@ -MD -MF $(test_cuda_get_symbol_address_DEPBASE).Tpo -c -o $@ `test -f '$(<F)' || echo '$(srcdir)/'`$(<F)
129-
@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(test_cuda_get_symbol_address_DEPBASE).Tpo $(test_cuda_get_symbol_address_DEPBASE).Po
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@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='$(<F)' object='$@' libtool=no @AMDEPBACKSLASH@
131-
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
132-
@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(test_cuda_get_symbol_address_COMPILE) -Xcompiler "-fPIC" -c -o $@ `test -f '$(<F)' || echo '$(srcdir)/'`$(<F)

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