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authorRob Austein <sra@hactrn.net>2016-06-25 00:22:11 -0400
committerRob Austein <sra@hactrn.net>2016-06-25 00:22:11 -0400
commitaa90cb43b370ee219e1e14ad774b662a53178727 (patch)
tree7f2452ccf228ff39e14d612613ec8fbd22fe11e2 /libraries/libtfm/GNUmakefile
parent41d765504350626b9c886c0e92f768184b457a54 (diff)
Finish unwinding subrepository hairball: VPATH setup.
Diffstat (limited to 'libraries/libtfm/GNUmakefile')
-rw-r--r--libraries/libtfm/GNUmakefile46
1 files changed, 46 insertions, 0 deletions
diff --git a/libraries/libtfm/GNUmakefile b/libraries/libtfm/GNUmakefile
new file mode 100644
index 0000000..ca86f80
--- /dev/null
+++ b/libraries/libtfm/GNUmakefile
@@ -0,0 +1,46 @@
+
+# This duplicates more of sw/thirdparty/libtfm/GNUmakefile than I
+# would like, but it does the job. Prettier makefiles can wait for another day.
+
+ifndef CRYPTECH_ROOT
+ CRYPTECH_ROOT := $(abspath ../../../..)
+endif
+
+REPO := ${CRYPTECH_ROOT}/sw/thirdparty/libtfm
+
+# vpath %.c ${REPO}
+# vpath %.h ${REPO}
+
+BITS := 8192
+
+HDR := ${REPO}/tomsfastmath/src/headers/tfm.h
+LIB := tomsfastmath/libtfm.a
+
+#CFLAGS += -DTFM_X86
+#CFLAGS += -DTFM_NO_ASM
+
+CFLAGS += -fPIC -Wall -W -Wshadow -I${REPO}/tomsfastmath/src/headers -g3 -DFP_MAX_SIZE="(${BITS}*2+(8*DIGIT_BIT))"
+
+TARGETS := $(notdir ${HDR} ${LIB})
+
+all: ${TARGETS}
+
+clean:
+ rm -rf ${TARGETS} $(notdir ${HDR}.tmp) ${LIB} tomsfastmath/src
+
+distclean: clean
+ rm -f TAGS
+
+$(notdir ${HDR}): ${HDR}
+ echo >$@.tmp '/* Configure size of largest bignum we want to handle -- see notes in tfm.pdf */'
+ echo >>$@.tmp '#define FP_MAX_SIZE (${BITS}*2+(8*DIGIT_BIT))'
+ echo >>$@.tmp ''
+ cat >>$@.tmp $^
+ mv -f $@.tmp $@
+
+$(notdir ${LIB}): ${LIB}
+ ln -f $^ $@
+
+${LIB}: ${HDR}
+ (cd ${REPO} && find tomsfastmath/src -type d) | xargs mkdir -p
+ cd tomsfastmath; ${MAKE} CFLAGS='${CFLAGS}'