Add a spec for linux-clang

Fixes: https://mirror.git.trinitydesktop.org/gitea/TDE/sip4-tqt/issues/35
Co-authored-by: Alexander Golubev <fatzer2@gmail.com>
Signed-off-by: Nik Reist <nreist@my.devry.edu>

specs/linux-clang

@@ -0,0 +1,90 @@
+#
+# qmake configuration for linux-clang
+#
+
+MAKEFILE_GENERATOR	= UNIX
+TEMPLATE		= app
+CONFIG			+= qt warn_on release incremental link_prl
+QT			+= core gui
+QMAKE_INCREMENTAL_STYLE = sublib
+
+QMAKE_CC		= clang
+QMAKE_LEX		= flex
+QMAKE_LEXFLAGS		=
+QMAKE_YACC		= yacc
+QMAKE_YACCFLAGS		= -d
+QMAKE_YACCFLAGS_MANGLE  = -p $base -b $base
+QMAKE_YACC_HEADER       = $base.tab.h
+QMAKE_YACC_SOURCE       = $base.tab.c
+QMAKE_CFLAGS		= -pipe
+QMAKE_CFLAGS_DEPS	= -M
+QMAKE_CFLAGS_WARN_ON	= -Wall -W
+QMAKE_CFLAGS_WARN_OFF	= -w
+QMAKE_CFLAGS_RELEASE	= -O2
+QMAKE_CFLAGS_DEBUG	= -g
+QMAKE_CFLAGS_SHLIB	= -fPIC
+QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
+QMAKE_CFLAGS_THREAD	= -D_REENTRANT
+QMAKE_CFLAGS_HIDESYMS   = -fvisibility=hidden
+
+QMAKE_CXX		= clang++
+QMAKE_CXXFLAGS		= $$QMAKE_CFLAGS
+QMAKE_CXXFLAGS_DEPS	= $$QMAKE_CFLAGS_DEPS
+QMAKE_CXXFLAGS_WARN_ON	= $$QMAKE_CFLAGS_WARN_ON
+QMAKE_CXXFLAGS_WARN_OFF	= $$QMAKE_CFLAGS_WARN_OFF
+QMAKE_CXXFLAGS_RELEASE	= $$QMAKE_CFLAGS_RELEASE
+QMAKE_CXXFLAGS_DEBUG	= $$QMAKE_CFLAGS_DEBUG
+QMAKE_CXXFLAGS_SHLIB	= $$QMAKE_CFLAGS_SHLIB
+QMAKE_CXXFLAGS_YACC	= $$QMAKE_CFLAGS_YACC
+QMAKE_CXXFLAGS_THREAD	= $$QMAKE_CFLAGS_THREAD
+QMAKE_CXXFLAGS_HIDESYMS = $$QMAKE_CFLAGS_HIDESYMS -fvisibility-inlines-hidden
+
+QMAKE_INCDIR		=
+QMAKE_LIBDIR		=
+QMAKE_INCDIR_X11	= /usr/X11R6/include
+QMAKE_LIBDIR_X11	= /usr/X11R6/lib
+QMAKE_INCDIR_TQT		= $$[QT_INSTALL_HEADERS]
+QMAKE_LIBDIR_TQT		= $$[QT_INSTALL_LIBS]
+QMAKE_INCDIR_OPENGL	= /usr/X11R6/include
+QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
+
+QMAKE_LINK		= clang++
+QMAKE_LINK_SHLIB	= clang++
+QMAKE_LFLAGS		=
+QMAKE_LFLAGS_RELEASE	=
+QMAKE_LFLAGS_DEBUG	=
+QMAKE_LFLAGS_SHLIB	= -shared
+QMAKE_LFLAGS_PLUGIN	= $$QMAKE_LFLAGS_SHLIB
+QMAKE_LFLAGS_SONAME	= -Wl,-soname,
+QMAKE_LFLAGS_THREAD	=
+QMAKE_RPATH		= -Wl,-rpath,
+
+QMAKE_LIBS		=
+QMAKE_LIBS_DYNLOAD	= -ldl
+QMAKE_LIBS_X11		= -lXext -lX11 -lm
+QMAKE_LIBS_X11SM	= -lSM -lICE
+QMAKE_LIBS_NIS		= -lnsl
+QMAKE_LIBS_OPENGL	= -lGLU -lGL
+QMAKE_LIBS_OPENGL_QT	= -lGL
+QMAKE_LIBS_THREAD	= -lpthread
+
+QMAKE_MOC		= $$[QT_INSTALL_BINS]/tqmoc
+QMAKE_UIC		= $$[QT_INSTALL_BINS]/tquic
+
+QMAKE_AR		= ar cqs
+QMAKE_RANLIB		=
+
+QMAKE_TAR		= tar -cf
+QMAKE_GZIP		= gzip -9f
+
+QMAKE_COPY		= cp -f
+QMAKE_COPY_FILE         = $(COPY)
+QMAKE_COPY_DIR          = $(COPY) -r
+QMAKE_MOVE		= mv -f
+QMAKE_DEL_FILE		= rm -f
+QMAKE_DEL_DIR		= rmdir
+QMAKE_STRIP             = strip
+QMAKE_STRIPFLAGS_LIB 	+= --strip-unneeded
+QMAKE_CHK_DIR_EXISTS	= test -d
+QMAKE_MKDIR		= mkdir -p
+load(qt_config)