I could use a set of eyes on this for the case that I'm missing something. Newer libcxx pulls in ctype.h which defines _L and _C to flag values, that doesn't work well with the existing code. This results in this kind of error:
c++: warning: argument unused during compilation: '-s' [-Wunused-command-line-argument] /tmp/pobj/irrlamb-1.0.1/irrlamb-1.0.1r613/src/ode/src/lcp.cpp:382:33: error: expected ')' dReal *_pairslh, dReal *_L, dReal *_d, ^ /usr/include/ctype.h:46:12: note: expanded from macro '_L' #define _L 0x02 ^ Index: Makefile =================================================================== RCS file: /cvs/ports/games/irrlamb/Makefile,v diff -u -p -r1.19 Makefile --- Makefile 26 Sep 2023 09:41:37 -0000 1.19 +++ Makefile 28 Dec 2023 17:50:24 -0000 @@ -3,6 +3,7 @@ COMMENT = third person, 3D physics game DISTNAME = irrlamb-$Vr613-src PKGNAME = irrlamb-$V CATEGORIES = games x11 +REVISION = 0 # GPLv3+ PERMIT_PACKAGE = Yes @@ -36,6 +37,8 @@ SSE_FLAGS = -msse -mfpmath=sse SSE_FLAGS = .endif SUBST_VARS += SSE_FLAGS + +FIX_CRLF_FILES += ./src/ode/src/lcp.cpp post-extract: rm -rf ${WRKSRC}/src/irrlicht Index: patches/patch-src_ode_src_lcp_cpp =================================================================== RCS file: patches/patch-src_ode_src_lcp_cpp diff -N patches/patch-src_ode_src_lcp_cpp --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ patches/patch-src_ode_src_lcp_cpp 28 Dec 2023 13:48:57 -0000 @@ -0,0 +1,58 @@ +Avoid conflict with ctype.h's _C and _L macros + +Index: src/ode/src/lcp.cpp +--- src/ode/src/lcp.cpp.orig ++++ src/ode/src/lcp.cpp +@@ -274,7 +274,7 @@ void swapProblem (ATYPE A, dReal pairsbx[PBX__MAX], dR + #ifdef DEBUG_LCP + + static +-void checkFactorization (ATYPE A, dReal *_L, dReal *_d, ++void checkFactorization (ATYPE A, dReal *_l, dReal *_d, + unsigned nC, unsigned *C, unsigned nskip) + { + unsigned i, j; +@@ -291,7 +291,7 @@ void checkFactorization (ATYPE A, dReal *_L, dReal *_d + // printf ("A2=\n"); A2.print(); printf ("\n"); + + // compute A3 = L*D*L' +- dMatrix L (nC, nC, _L, nskip, 1); ++ dMatrix L (nC, nC, _l, nskip, 1); + dMatrix D (nC, nC); + for (i = 0; i < nC; i++) D(i, i) = 1.0 / _d[i]; + L.clearUpperTriangle(); +@@ -379,9 +379,9 @@ struct dLCP { + unsigned *const m_p, *const m_C; + + dLCP (unsigned _n, unsigned _nskip, unsigned _nub, dReal *_Adata, dReal *_pairsbx, dReal *_w, +- dReal *_pairslh, dReal *_L, dReal *_d, ++ dReal *_pairslh, dReal *_l, dReal *_d, + dReal *_Dell, dReal *_ell, dReal *_tmp, +- bool *_state, int *_findex, unsigned *_p, unsigned *_C, dReal **Arows); ++ bool *_state, int *_findex, unsigned *_p, unsigned *_c, dReal **Arows); + unsigned getNub() const { return m_nub; } + void transfer_i_to_C (unsigned i); + void transfer_i_to_N (unsigned /*i*/) { m_nN++; } // because we can assume C and N span 1:i-1 +@@ -409,9 +409,9 @@ struct dLCP { + + + dLCP::dLCP (unsigned _n, unsigned _nskip, unsigned _nub, dReal *_Adata, dReal *_pairsbx, dReal *_w, +- dReal *_pairslh, dReal *_L, dReal *_d, ++ dReal *_pairslh, dReal *_l, dReal *_d, + dReal *_Dell, dReal *_ell, dReal *_tmp, +- bool *_state, int *_findex, unsigned *_p, unsigned *_C, dReal **Arows): ++ bool *_state, int *_findex, unsigned *_p, unsigned *_c, dReal **Arows): + m_n(_n), m_nskip(_nskip), m_nub(_nub), m_nC(0), m_nN(0), + # ifdef ROWPTRS + m_A(Arows), +@@ -419,8 +419,8 @@ dLCP::dLCP (unsigned _n, unsigned _nskip, unsigned _nu + m_A(_Adata), + #endif + m_pairsbx(_pairsbx), m_w(_w), m_pairslh(_pairslh), +- m_L(_L), m_d(_d), m_Dell(_Dell), m_ell(_ell), m_tmp(_tmp), +- m_state(_state), m_findex(_findex), m_p(_p), m_C(_C) ++ m_L(_l), m_d(_d), m_Dell(_Dell), m_ell(_ell), m_tmp(_tmp), ++ m_state(_state), m_findex(_findex), m_p(_p), m_C(_c) + { + dxtSetZero<PBX__MAX>(m_pairsbx + PBX_X, m_n); +