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-rw-r--r--gmp/Makefile7
1 files changed, 6 insertions, 1 deletions
diff --git a/gmp/Makefile b/gmp/Makefile
index 2a9fdcf6c3..78cb5702b5 100644
--- a/gmp/Makefile
+++ b/gmp/Makefile
@@ -34,8 +34,13 @@ PLATFORM := $(shell echo $(HOSTPLATFORM) | sed 's/i[567]86/i486/g')
# follow, as it isn't used consistently. Instead we put an ln.bat in
# path that always fails.
+# We use a tarball like gmp-4.2.1-nodoc.tar.gz, which is
+# gmp-4.2.1.tar.gz repacked without the doc/ directory contents.
+# That's because the doc/ directory contents are under the GFDL,
+# which causes problems for Debian.
+
GMP_TARBALL := $(firstword $(wildcard gmp*.tar.gz))
-GMP_DIR := $(subst .tar.gz,,$(GMP_TARBALL))
+GMP_DIR := $(subst -nodoc.tar.gz,,$(GMP_TARBALL))
ifeq "$(findstring dyn, $(GhcRTSWays))" "dyn"
BUILD_SHARED=yes