sci-physics/looptools: add 2.15-r1, 2.16

- EAPI 7 -> 8
- filter_lto
- patch away findprog which mixes clang and gnu toolchains. Instead use
  toolchain-funcs eclass
- also symlink solib without version specifier since programs look for
  that more often

Closes: https://bugs.gentoo.org/889070
Closes: https://bugs.gentoo.org/770838
Part-of: https://github.com/gentoo/gentoo/pull/44201
Closes: https://github.com/gentoo/gentoo/pull/44201
Signed-off-by: Alexander Puck Neuwirth <apn-pucky@gentoo.org>

sci-physics/looptools/Manifest

@@ -1 +1,2 @@
 DIST LoopTools-2.15.tar.gz 552635 BLAKE2B e93d2fccaaa920727d34ee98788bcc0c4b5ca646ca8e4361ed67e1a94095d576370b356d1dfe289d492dbe3c9af6ce7c6b89ec27bad45c947b7a30473cd0611a SHA512 77173cd9cc69ba3b999493ebfa51965610fe3d45dd5f6f85e1ca04d1374419f8687a0d41f8263abd6974790bb71e7800eb002199dffea37f546e56ed4f83751a
+DIST LoopTools-2.16.tar.gz 537527 BLAKE2B c443468c112eb29c915c08b3b36756787a8d96261581e11bd93a6e5c0406b33f61242aea09911454d4690b9a41f8dad537fd83e8d518577a7a729eacc2734a92 SHA512 42109e29480e0260a50d1f66f26d28abbb7561df1a0f71bbc4f579af7304c182e8f612f46e2fa77d2371d35cd416eb3c3efacf3f344be1c279fd582da797124b

sci-physics/looptools/files/looptools-2.15-configure.patch

@@ -0,0 +1,17 @@
+--- a/configure	2025-10-16 16:41:27.321793786 +0200
++++ b/configure	2025-10-16 16:41:37.465121596 +0200
+@@ -132,11 +132,11 @@
+ }
+ 
+ 
+-findprog gcc CC clang gcc || exit 1
++#findprog gcc CC clang gcc || exit 1
+ 
+-findprog g++ CXX clang++ g++ || exit 1
++#findprog g++ CXX clang++ g++ || exit 1
+ 
+-findprog fortran FC ${CONF_REAL10:+gfortran} ${CONF_QUAD:+ifort gfortran xlf} ifort pgf90 xlf gfortran g95 f90 || exit 1
++#findprog fortran FC ${CONF_REAL10:+gfortran} ${CONF_QUAD:+ifort gfortran xlf} ifort pgf90 xlf gfortran g95 f90 || exit 1
+ 
+ CONF_DEF="-D"
+ 

sci-physics/looptools/files/looptools-2.16-configure.patch

@@ -0,0 +1,17 @@
+--- a/configure	2025-10-16 17:14:09.657394288 +0200
++++ b/configure	2025-10-16 17:14:23.127386983 +0200
+@@ -132,11 +132,11 @@
+ }
+ 
+ 
+-findprog gcc CC gcc clang || exit 1
++#findprog gcc CC gcc clang || exit 1
+ 
+-findprog g++ CXX g++ clang++ || exit 1
++#findprog g++ CXX g++ clang++ || exit 1
+ 
+-findprog fortran FC ${CONF_REAL10:+gfortran} ${CONF_QUAD:+ifort gfortran xlf} ifort pgf90 xlf gfortran g95 f90 || exit 1
++#findprog fortran FC ${CONF_REAL10:+gfortran} ${CONF_QUAD:+ifort gfortran xlf} ifort pgf90 xlf gfortran g95 f90 || exit 1
+ 
+ CONF_DEF="-D"
+ 

sci-physics/looptools/files/looptools-2.16-makefile.patch

@@ -0,0 +1,105 @@
+diff -Naru LoopTools-2.16.orig/makefile.in LoopTools-2.16/makefile.in
+--- LoopTools-2.16.orig/makefile.in	2022-04-12 11:04:39.286039581 +0200
++++ LoopTools-2.16/makefile.in	2022-04-12 11:07:50.023602000 +0200
+@@ -1,8 +1,8 @@
+ BLD = build$(QUADSUFFIX)
+ 
+-LIBDIR = $(PREFIX)/lib$(LIBDIRSUFFIX)
+-INCLUDEDIR = $(PREFIX)/include
+-BINDIR = $(PREFIX)/bin
++LIBDIR = $(DESTDIR)/$(PREFIX)/lib$(LIBDIRSUFFIX)
++INCLUDEDIR = $(DESTDIR)/$(PREFIX)/include
++BINDIR = $(DESTDIR)/$(PREFIX)/bin
+ 
+ LIB = libooptools$(QUADSUFFIX).a
+ FE = lt$(QUADSUFFIX)$(EXE)
+@@ -11,6 +11,10 @@
+ FXX = f++$(QUADSUFFIX)
+ INCLUDE = $(BLD)/looptools.h $(BLD)/clooptools.h
+ 
++LIBRARY=libooptools.so
++REALNAME=$(LIBRARY)
++
++
+ ARGS = $(PARALLEL) \
+   LIB="$(LIB)" \
+   FE="$(FE)" \
+@@ -20,14 +24,14 @@
+   EXE="$(EXE)" \
+   DEF="$(DEF)" \
+   NOUNDERSCORE="$(NOUNDERSCORE)" \
+-  XFC="$(FC) $(FFLAGS) -I." \
++  XFC="$(FC) $(FFLAGS) -I. -fPIC" \
+   F90="$(F90)" \
+   CDEFS="$(CDEFS)" \
+   MCDEFS="$(MCDEFS)" \
+   CC="$(CC)" \
+-  CFLAGS="$(CFLAGS)" \
++  CFLAGS="$(CFLAGS) -fPIC" \
+   CXX="$(CXX)" \
+-  CXXFLAGS="$(CXXFLAGS)" \
++  CXXFLAGS="$(CXXFLAGS) -fPIC" \
+   ML="$(ML)" \
+   MCC="$(MCC)" \
+   MCFLAGS="$(MCFLAGS)" \
+@@ -37,24 +41,23 @@
+   NM="$(NM)" \
+   DLLTOOL="$(DLLTOOL)" \
+   LDFLAGS="$(LDFLAGS)" \
+-  LIBPATH="$(LIBPATH)"
++  LIBPATH="$(LIBPATH)" \
++  REALNAME="$(REALNAME)"
+ 
+ 
+-default all lib frontend mma: force
++default all lib solib frontend mma: force
+ 	cd $(BLD) && $(MAKE) $(ARGS) $@
+ 
+-install: lib frontend
+-	-mkdir $(PREFIX)
++install: lib solib frontend
++	-mkdir $(DESTDIR)/$(PREFIX)
+ 	-mkdir $(LIBDIR) $(BINDIR) $(INCLUDEDIR)
+ 	cp -p $(BLD)/$(LIB) $(LIBDIR)
+ 	cp -p $(INCLUDE) $(INCLUDEDIR)
+-	strip $(BLD)/$(FE)
+ 	cp -p $(BLD)/$(FCC) $(BLD)/$(FE) $(BINDIR)
+ 	rm -f $(BINDIR)/$(FXX)
+ 	ln -s $(FCC) $(BINDIR)/$(FXX)
+ 	test ! -f $(BLD)/$(MFE) || { \
+ 	  test -z "$(EXE)" || ldd $(BLD)/$(MFE) | awk '/\/usr\/bin\/cyg/ { system("cp -p " $$3 " $(BINDIR)/"); }' ; \
+-	  strip $(BLD)/$(MFE) ; \
+ 	  cp -p $(BLD)/$(MFE) $(BINDIR); \
+ 	}
+ 
+diff -Naru LoopTools-2.16.orig/src/makefile LoopTools-2.16/src/makefile
+--- LoopTools-2.16.orig/src/makefile	2022-04-12 11:04:39.287039595 +0200
++++ LoopTools-2.16/src/makefile	2022-04-12 11:09:14.079731941 +0200
+@@ -1,6 +1,6 @@
+-default: frontend mma$(ML)
++default: frontend mma$(ML) solib
+ 
+-all: frontend mma1
++all: frontend mma1 solib
+ 
+ frontend: lib $(FE)
+ 
+@@ -8,6 +8,8 @@
+ 
+ mma0 lib: $(LIB) clooptools.h $(FCC)
+ 
++solib: $(REALNAME) fcc
++
+ 
+ .SUFFIXES:
+ 
+@@ -240,6 +242,9 @@
+ 	$(AR) $(ARFLAGS) $(LIB) $?
+ 	-$(RANLIB) $(LIB)
+ 
++$(REALNAME): $(OBJS)
++	$(XFC) $(LDFLAGS) -shared -Wl,--soname,$(REALNAME) -o $@ $?
++
+ 
+ $(FE): lt.F $(LTINC) $(LIB)
+ 	$(XFC) -o $(FE) lt.F $(LIB) $(LDFLAGS)

sci-physics/looptools/looptools-2.15-r1.ebuild

@@ -0,0 +1,50 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit fortran-2 toolchain-funcs flag-o-matic
+
+MY_P=LoopTools-${PV}
+
+DESCRIPTION="Tools for evaluation of scalar and tensor one-loop integrals"
+HOMEPAGE="http://www.feynarts.de/looptools"
+SRC_URI="http://www.feynarts.de/looptools/${MY_P}.tar.gz"
+
+LICENSE="LGPL-3"
+
+SLOT="0/${PV}"
+KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
+IUSE="doc"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-makefile.patch
+	"${FILESDIR}"/${P}-configure.patch
+)
+
+S="${WORKDIR}/${MY_P}"
+
+src_prepare() {
+	default
+
+	export VER="${PV}"
+	# necessary fix for prefix
+	sed -i "s/lib\$(LIBDIRSUFFIX)/$(get_libdir)/" makefile.in || die
+}
+
+src_configure() {
+	# fortran C bindings are not LTO compatible
+	filter-lto
+	econf CONF_CC=$(tc-getCC) CONF_CXX=$(tc-getCXX) CONF_FC=$(tc-getFC)
+}
+
+src_install() {
+	default
+
+	dolib.so build/libooptools.so.2.15
+	# The name used for requesting this library varies
+	dosym libooptools.so.2.15 /usr/$(get_libdir)/libooptools.so
+
+	rm "${ED}"/usr/$(get_libdir)/libooptools.a || die
+	use doc && dodoc manual/*.pdf
+}

sci-physics/looptools/looptools-2.16.ebuild

@@ -0,0 +1,50 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit fortran-2 toolchain-funcs flag-o-matic
+
+MY_P=LoopTools-${PV}
+
+DESCRIPTION="Tools for evaluation of scalar and tensor one-loop integrals"
+HOMEPAGE="http://www.feynarts.de/looptools"
+SRC_URI="http://www.feynarts.de/looptools/${MY_P}.tar.gz"
+
+LICENSE="LGPL-3"
+
+SLOT="0/${PV}"
+KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
+IUSE="doc"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-makefile.patch
+	"${FILESDIR}"/${P}-configure.patch
+)
+
+S="${WORKDIR}/${MY_P}"
+
+src_prepare() {
+	default
+
+	export VER="${PV}"
+	# necessary fix for prefix
+	sed -i "s/lib\$(LIBDIRSUFFIX)/$(get_libdir)/" makefile.in || die
+}
+
+src_configure() {
+	# fortran C bindings are not LTO compatible
+	filter-lto
+	econf CONF_CC=$(tc-getCC) CONF_CXX=$(tc-getCXX) CONF_FC=$(tc-getFC)
+}
+
+src_install() {
+	default
+
+	dolib.so build/libooptools.so
+	# The name used for requesting this library varies
+	dosym libooptools.so /usr/$(get_libdir)/libooptools.so.2.16
+
+	rm "${ED}"/usr/$(get_libdir)/libooptools.a || die
+	use doc && dodoc manual/*.pdf
+}