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Use C++ when checking for eigen (autotools) #3690

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Use C++ when checking for eigen (autotools) #3690

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04a8515
Use C++ when checking for eigen (autotools)
d-torrance Mar 12, 2025
7b3bf55
Pass MAKE to cddlib and givaro configure scripts (autotools)
d-torrance Mar 12, 2025
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1 change: 1 addition & 0 deletions M2/configure.ac
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Expand Up @@ -1125,6 +1125,7 @@ found and $msolve_min_version is required; will build])
[AC_MSG_RESULT([no, will build])
BUILD_msolve=yes])])

AC_LANG([C++])
AS_IF([test $BUILD_eigen = no],
[AC_MSG_CHECKING([whether pkg-config provides flags for eigen])
AS_IF([$PKG_CONFIG --exists eigen3],
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2 changes: 1 addition & 1 deletion M2/libraries/cddlib/Makefile.in
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Expand Up @@ -9,7 +9,7 @@ VERSION = 0.94m
# https://www.inf.ethz.ch/personal/fukudak/cdd_home/
URL = https://macaulay2.com/Downloads/OtherSourceCode
ALLOPTIONS = SUBDIRS="lib-src" gmpdir=/nowhere
CONFIGOPTIONS = $(ALLOPTIONS)
CONFIGOPTIONS = $(ALLOPTIONS) MAKE="$(MAKE)"

# we build mpir as gmp statically, so we can't make a shared library here
CONFIGOPTIONS += --disable-shared
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2 changes: 1 addition & 1 deletion M2/libraries/givaro/Makefile.in
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Expand Up @@ -17,7 +17,7 @@ LICENSEFILES = COPYRIGHT Licence_CeCILL-B_V1-en.txt Licence_CeCILL-B_V1-fr.txt
# linking givaro as a shared library is bad, because then under Mac OS X its static constructors
# get run before ours do, and it calls our "operator new", which calls GC_malloc, before we've
# had a chance to initialize it.
CONFIGOPTIONS += --disable-shared
CONFIGOPTIONS += --disable-shared MAKE="$(MAKE)"

include ../Makefile.library
Makefile: @srcdir@/Makefile.in ; cd ../.. && ./config.status libraries/givaro/Makefile
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