@@ 1946,6 1946,55 @@ bio-chemistry.")
;; See LICENSE_en.txt
(license license:cecill-c)))
+(define-public scotch32
+ ;; This is the 'INTSIZE32' variant, which uses 32-bit integers, as needed by
+ ;; some applications.
+ (package (inherit scotch)
+ (name "scotch32")
+ (arguments
+ (substitute-keyword-arguments (package-arguments scotch)
+ ((#:phases scotch-phases)
+ `(modify-phases ,scotch-phases
+ (replace
+ 'configure
+ (lambda _
+ (call-with-output-file "Makefile.inc"
+ (lambda (port)
+ (format port "
+EXE =
+LIB = .a
+OBJ = .o
+MAKE = make
+AR = ar
+ARFLAGS = -ruv
+CAT = cat
+CCS = gcc
+CCP = mpicc
+CCD = gcc
+CPPFLAGS =~{ -D~a~}
+CFLAGS = -O2 -g -fPIC $(CPPFLAGS)
+LDFLAGS = -lz -lm -lrt -lpthread
+CP = cp
+LEX = flex -Pscotchyy -olex.yy.c
+LN = ln
+MKDIR = mkdir
+MV = mv
+RANLIB = ranlib
+YACC = bison -pscotchyy -y -b y
+"
+ '("COMMON_FILE_COMPRESS_GZ"
+ "COMMON_PTHREAD"
+ "COMMON_RANDOM_FIXED_SEED"
+ "INTSIZE32" ;use 32-bit integers. See INSTALL.txt
+ ;; Prevents symbolc clashes with libesmumps
+ "SCOTCH_RENAME"
+ ;; XXX: Causes invalid frees in superlu-dist tests
+ ;; "SCOTCH_PTHREAD"
+ ;; "SCOTCH_PTHREAD_NUMBER=2"
+ "restrict=__restrict"))))))))))
+ (synopsis
+ "Programs and libraries for graph algorithms (32-bit integers)")))
+
(define-public pt-scotch
(package (inherit scotch)
(name "pt-scotch")